Pub Date : 2022-09-06DOI: 10.18502/ijds.v18i2.10528
R. Hoseinifar, Lida Lashkarizadeh
Introduction: Adequate polymerization is a critical factor in obtaining optimal physical and mechanical properties and a satisfying clinical outcomes in composite restorations. The aim of this study was to evaluate the effect of type and mode of light curing units on degree of conversion (DC) of Bulk Fill composites (Xtra-fill andTetric N-Ceram Bulk Fill) compared to conventional composite (Tetric N-Ceram). Materials & Methods: This in-vitro experimental study was conducted in Kerman and Tehran School of Dentistry in 2019. Number of 15 uncured composites and 45 composite discs were fabricated using the Teflon molds with a 4 mm thick and 10 mm diameter and light cured from the top using LED ramp, LED and QTH curing units for 20 seconds. Bulk Fill composites (Xtra-fill andTetric N-Ceram Bulk Fill) were placed with a 4mm_thick increment and conventional composite (Tetric N-Ceram) was placed incrementally (with 2 mm thickness in each layer). The degree of conversion of top and bottom surfaces of composites were measured using the Fourier Transform Infrared Spectroscopy (FTIR). The results were analyzed with Two-way ANOVA and Tukey̛ s test. The level of significance was set as p value < 0.05. Results: In all samples, the DC value of top surfaces was significantly higher than the 4mm depth (p value < 0.05). Overall, there were no significant difference between the DC value of tested composites (p value > 0.05), But LED light in ramp mode showed significantly better results compared to LED and QTH light sources (p value < 0.05). The type and mode of light cure units had no influence on DC of bulk fill composites (p value > 0.05), but the DC of conventional composite with QTH and LED ramp was significantly higher than LED (p value < 0.05). Conclusion: The results of this study showed that the DC value of bulk fill composites were not significantly affected by the type and mode of light cure units, and all investigated bulk fill composites obtained clinically acceptable degree of conversion at 4 mm depth.
{"title":"The Effect of Type and Mode of Light Curing Units on Degree of Conversion of Bulk Fill Composites","authors":"R. Hoseinifar, Lida Lashkarizadeh","doi":"10.18502/ijds.v18i2.10528","DOIUrl":"https://doi.org/10.18502/ijds.v18i2.10528","url":null,"abstract":"Introduction: Adequate polymerization is a critical factor in obtaining optimal physical and mechanical properties and a satisfying clinical outcomes in composite restorations. The aim of this study was to evaluate the effect of type and mode of light curing units on degree of conversion (DC) of Bulk Fill composites (Xtra-fill andTetric N-Ceram Bulk Fill) compared to conventional composite (Tetric N-Ceram). \u0000Materials & Methods: This in-vitro experimental study was conducted in Kerman and Tehran School of Dentistry in 2019. Number of 15 uncured composites and 45 composite discs were fabricated using the Teflon molds with a 4 mm thick and 10 mm diameter and light cured from the top using LED ramp, LED and QTH curing units for 20 seconds. Bulk Fill composites (Xtra-fill andTetric N-Ceram Bulk Fill) were placed with a 4mm_thick increment and conventional composite (Tetric N-Ceram) was placed incrementally (with 2 mm thickness in each layer). The degree of conversion of top and bottom surfaces of composites were measured using the Fourier Transform Infrared Spectroscopy (FTIR). The results were analyzed with Two-way ANOVA and Tukey̛ s test. The level of significance was set as p value < 0.05. \u0000Results: In all samples, the DC value of top surfaces was significantly higher than the 4mm depth (p value < 0.05). Overall, there were no significant difference between the DC value of tested composites (p value > 0.05), But LED light in ramp mode showed significantly better results compared to LED and QTH light sources (p value < 0.05). The type and mode of light cure units had no influence on DC of bulk fill composites (p value > 0.05), but the DC of conventional composite with QTH and LED ramp was significantly higher than LED (p value < 0.05). \u0000Conclusion: The results of this study showed that the DC value of bulk fill composites were not significantly affected by the type and mode of light cure units, and all investigated bulk fill composites obtained clinically acceptable degree of conversion at 4 mm depth.","PeriodicalId":221865,"journal":{"name":"Journal of Isfahan Dental School","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128449383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-06DOI: 10.18502/ijds.v18i2.10525
Amir Dehghanzadeh, A. Aminzadeh, Mohammad Javad Khodarahmi, Mohammad Hossien Shafazand
Introduction: Jawbones can be affected by many lesions due to conditions such as genetic, metabolic, inflammatory, cystic, and tumoral. For proper diagnosis and treatment, dentists should be aware of the most prevalent types of lesions, demographic and clinical features, and their distribution patterns within the population. The present study aimed to evaluate the distribution pattern of jaw bone lesions during 7 years in Esfahan. Materials & Methods: This retrospective analytic descriptive study was performed on 370 reports available at the department of oral pathology at Isfahan Azad university. Demographic data, clinical features, and histopathology diagnosis were gathered and analyzed statistically using ANOVA and Chi-Square (α = 0.05). Results: Intraosseous lesions consisted 28.6% of all lesions, 41.5% in females and 58.4% in males (p value < 0.05. (Mean age of male patients was 35.96 and 33.70 for females (p value > 0.05). Lesions were mostly in the right lower jaw (p value < 0.05). The swelling was the only clinical feature reported in only 15%. Of 106 intraosseous lesions, 73 cases were odontogenic cysts, 19 inflammatory,9 odontogenic tumors,2 benign non-odontogenic tumors, and 3 non-odontogenic cysts. The periapical and dentigerous cyst was the most prevalent lesions reported. Conclusion: Results of the present study showed jaw bone lesions mostly occurred in the right lower jaw in male patients. The difference in the distribution of the lesions in comparison to similar studies in this context can be attributed to the difference in geographical region necessitating further studies.
{"title":"Prevalence and Clinical Features of Biopsied Jaw Lesions in an Iranian Population Patient in During a Period of 7 Years","authors":"Amir Dehghanzadeh, A. Aminzadeh, Mohammad Javad Khodarahmi, Mohammad Hossien Shafazand","doi":"10.18502/ijds.v18i2.10525","DOIUrl":"https://doi.org/10.18502/ijds.v18i2.10525","url":null,"abstract":"Introduction: Jawbones can be affected by many lesions due to conditions such as genetic, metabolic, inflammatory, cystic, and tumoral. For proper diagnosis and treatment, dentists should be aware of the most prevalent types of lesions, demographic and clinical features, and their distribution patterns within the population. The present study aimed to evaluate the distribution pattern of jaw bone lesions during 7 years in Esfahan. \u0000Materials & Methods: This retrospective analytic descriptive study was performed on 370 reports available at the department of oral pathology at Isfahan Azad university. Demographic data, clinical features, and histopathology diagnosis were gathered and analyzed statistically using ANOVA and Chi-Square (α = 0.05). \u0000Results: Intraosseous lesions consisted 28.6% of all lesions, 41.5% in females and 58.4% in males (p value < 0.05. (Mean age of male patients was 35.96 and 33.70 for females (p value > 0.05). Lesions were mostly in the right lower jaw (p value < 0.05). The swelling was the only clinical feature reported in only 15%. Of 106 intraosseous lesions, 73 cases were odontogenic cysts, 19 inflammatory,9 odontogenic tumors,2 benign non-odontogenic tumors, and 3 non-odontogenic cysts. The periapical and dentigerous cyst was the most prevalent lesions reported. \u0000Conclusion: Results of the present study showed jaw bone lesions mostly occurred in the right lower jaw in male patients. The difference in the distribution of the lesions in comparison to similar studies in this context can be attributed to the difference in geographical region necessitating further studies.","PeriodicalId":221865,"journal":{"name":"Journal of Isfahan Dental School","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124361279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-06DOI: 10.18502/ijds.v18i2.10532
Ehsan Naghdipour, Fataneh Ghorbanyjavadpour
Introduction: Today diagnosis and treatment planning in patients for orthodontic or surgical treatment is expected to correspond with the same ethnic cephalometric norms. This study aimed to determine the cephalometric norms of the Iranian population living in Ahvaz via McNamara's analysis and to verify the presence of gender related disparity and compare it with the standard norms and similar studies. Materials & Methods: Cephalograms of 79 patients (39 females, 40 males in the age range of 19-29 years old) were selected from the Orthodontic department of Ahvaz Dental School archive during 2018-2019. The subjects had a Class 1 molar relationship with a balanced profile, no history of orthodontic or surgical treatment or trauma, and no congenital anomalies. According to the McNamara analysis 8 linear and 4 angular measurements were traced manually and analyzed statistically by Shapiro-Wilk, independent t-test, and Mann-Whitney tests with a meaningful level of p value < 0.05. Results: According to our findings significant differences were observed in the effective length of the maxilla and mandible, Maxillo-mandibular differences, Distance point A from maxilla to chin from N perpendicular line, 1.3 lower face height (p value < 0.05) but not found in the upper and lower incisor position and facial axis and mandibular plane angle (p value > 0.05). Conclusion: Despite the differences observed in the cephalometric parameters with the normal range among Caucasians, McNamara's analysis was applicable for surgical and orthodontic treatment in Iranians.
{"title":"Evaluation Cephalometric Norms in Iranian Adult Live in Ahvaz Using McNamara Analysis","authors":"Ehsan Naghdipour, Fataneh Ghorbanyjavadpour","doi":"10.18502/ijds.v18i2.10532","DOIUrl":"https://doi.org/10.18502/ijds.v18i2.10532","url":null,"abstract":"Introduction: Today diagnosis and treatment planning in patients for orthodontic or surgical treatment is expected to correspond with the same ethnic cephalometric norms. This study aimed to determine the cephalometric norms of the Iranian population living in Ahvaz via McNamara's analysis and to verify the presence of gender related disparity and compare it with the standard norms and similar studies. \u0000Materials & Methods: Cephalograms of 79 patients (39 females, 40 males in the age range of 19-29 years old) were selected from the Orthodontic department of Ahvaz Dental School archive during 2018-2019. The subjects had a Class 1 molar relationship with a balanced profile, no history of orthodontic or surgical treatment or trauma, and no congenital anomalies. According to the McNamara analysis 8 linear and 4 angular measurements were traced manually and analyzed statistically by Shapiro-Wilk, independent t-test, and Mann-Whitney tests with a meaningful level of p value < 0.05. \u0000Results: According to our findings significant differences were observed in the effective length of the maxilla and mandible, Maxillo-mandibular differences, Distance point A from maxilla to chin from N perpendicular line, 1.3 lower face height (p value < 0.05) but not found in the upper and lower incisor position and facial axis and mandibular plane angle (p value > 0.05). \u0000Conclusion: Despite the differences observed in the cephalometric parameters with the normal range among Caucasians, McNamara's analysis was applicable for surgical and orthodontic treatment in Iranians.","PeriodicalId":221865,"journal":{"name":"Journal of Isfahan Dental School","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122485458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-06DOI: 10.18502/ijds.v18i2.10531
Tahere Ahmadpour, Nasim Esnaashari, H. Farhadi, Nafiseh Shirani
Introduction: Cooperation in orthodontics is one of the most important predictors of treatment outcome. Evaluation of patient satisfaction is a suitable criterion for the evaluation of treatment quality of the patients and the relationship between physician and patient. In this study, the link between some personality traits of patients and their cooperation in orthodontic treatment is assessed. Materials & Methods: In this descriptive study, 135 patients who were referred to the orthodontic department at the School of Dentistry of Isfahan Azad University for fixed orthodontic treatment were selected. The correlation between 5 psychological factors of Costa and McCrae personality theory with the level of cooperation and satisfaction of patients during orthodontic treatment was assessed by NEO-FFI questionnaire, and OPCS questionnaire to measure patient cooperation 2 months and 6 months after treatment and satisfaction questionnaire. Data were analyzed using Pearson, Spearman and Regression correlation coefficients. Results: The mean cooperation score was not significantly different between 2 months and 6 months after starting treatment (p value = 0.66). The satisfaction score of treatment was directly related to the score of the responsible factor of responsibility (p value < 0.01) but was not significantly related to the scores of other personality traits factor (p value > 0.05). Cooperation score 2 months and 6 months after starting treatment was not significantly related to personality trait factor scores (p value > 0.05). There was no significant relationship between cooperation score 2 months (p value = 0.57) and 6 months after starting treatment (p value = 0.99) with treatment satisfaction score. Conclusion: There is no relationship between orthodontic patients' cooperation and their personality type. A direct relationship between orthodontic patients' satisfaction and the score of the personality factor of responsibility was seen.
{"title":"Relationship between Psychological Factors with Cooperation and Satisfaction in Fixed Orthodontic Patient","authors":"Tahere Ahmadpour, Nasim Esnaashari, H. Farhadi, Nafiseh Shirani","doi":"10.18502/ijds.v18i2.10531","DOIUrl":"https://doi.org/10.18502/ijds.v18i2.10531","url":null,"abstract":"Introduction: Cooperation in orthodontics is one of the most important predictors of treatment outcome. Evaluation of patient satisfaction is a suitable criterion for the evaluation of treatment quality of the patients and the relationship between physician and patient. In this study, the link between some personality traits of patients and their cooperation in orthodontic treatment is assessed. \u0000Materials & Methods: In this descriptive study, 135 patients who were referred to the orthodontic department at the School of Dentistry of Isfahan Azad University for fixed orthodontic treatment were selected. The correlation between 5 psychological factors of Costa and McCrae personality theory with the level of cooperation and satisfaction of patients during orthodontic treatment was assessed by NEO-FFI questionnaire, and OPCS questionnaire to measure patient cooperation 2 months and 6 months after treatment and satisfaction questionnaire. Data were analyzed using Pearson, Spearman and Regression correlation coefficients. \u0000Results: The mean cooperation score was not significantly different between 2 months and 6 months after starting treatment (p value = 0.66). The satisfaction score of treatment was directly related to the score of the responsible factor of responsibility (p value < 0.01) but was not significantly related to the scores of other personality traits factor (p value > 0.05). Cooperation score 2 months and 6 months after starting treatment was not significantly related to personality trait factor scores (p value > 0.05). There was no significant relationship between cooperation score 2 months (p value = 0.57) and 6 months after starting treatment (p value = 0.99) with treatment satisfaction score. \u0000Conclusion: There is no relationship between orthodontic patients' cooperation and their personality type. A direct relationship between orthodontic patients' satisfaction and the score of the personality factor of responsibility was seen.","PeriodicalId":221865,"journal":{"name":"Journal of Isfahan Dental School","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123691342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-06DOI: 10.18502/ijds.v18i2.10536
N. Nourbakhsh, Mona Esmaeli
Introduction: Fanconi anemia is a rare autosomal recessive disease that is associated with chromosome failure and impaired DNA repair. The aim of this study was to report a case of Fanconi anemia and to manage the treatment of deciduous tooth pulp and its periodic clinical follow-up. Case Report: The patient is a six-year-old boy with a definitive diagnosis of Fanconi anemia who referred to the Pediatric Dentistry Department of Isfahan University of Medical Sciences with a complaint of deciduous tooth decay and pain on chewing food. The patient had prominent signs like short stature, hirsutism, pigmented face, contiguous eyebrows, coarse hair, protruding forehead, flat nose bridge and large ears. Conclusion: Despite the low platelet count, it was possible to treat two teeth simultaneously in one session and no particular problem has been observed until the case is reported. It is recommended that taking into account the general health of the patient is very important in providing a treatment plan.
{"title":"Pulp Treatment Management of Primary Molars in Patient with Fanconi Anemia: A Case Report","authors":"N. Nourbakhsh, Mona Esmaeli","doi":"10.18502/ijds.v18i2.10536","DOIUrl":"https://doi.org/10.18502/ijds.v18i2.10536","url":null,"abstract":"Introduction: Fanconi anemia is a rare autosomal recessive disease that is associated with chromosome failure and impaired DNA repair. The aim of this study was to report a case of Fanconi anemia and to manage the treatment of deciduous tooth pulp and its periodic clinical follow-up. \u0000Case Report: The patient is a six-year-old boy with a definitive diagnosis of Fanconi anemia who referred to the Pediatric Dentistry Department of Isfahan University of Medical Sciences with a complaint of deciduous tooth decay and pain on chewing food. The patient had prominent signs like short stature, hirsutism, pigmented face, contiguous eyebrows, coarse hair, protruding forehead, flat nose bridge and large ears. \u0000Conclusion: Despite the low platelet count, it was possible to treat two teeth simultaneously in one session and no particular problem has been observed until the case is reported. It is recommended that taking into account the general health of the patient is very important in providing a treatment plan.","PeriodicalId":221865,"journal":{"name":"Journal of Isfahan Dental School","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133313935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-06DOI: 10.18502/ijds.v18i2.10534
Mohammad Ali Esmaeeli, E. Rafiei, Parisa Ranjbarian, Nasim Maghamipour
Introduction: The choice between the two modes of treatment, endodontic treatment and single tooth implants are very different depending on the dentist, design, definition of successful outcomes, evaluation methods, and sample size. The aim of this study was to compare the clinical and radiographic results of single tooth implants versus endodontic treatment with post and crown restoration in patients referred to the School of Dentistry of Islamic Azad University of Isfahan Materials & Methods: In this cross-sectional analytical study in the academic year 2021, 90 (46 females and 44 males) patients after recording demographic information and medical status, during three different time intervals post treatment (under 3 years, 3 to 5 years and Over 5 years) were examined clinically and radiographically (periapical). Outcome of treatment was classified based on clinical and radiographic findings into three categories: successful, surviving and unsuccessful. Data were analyzed using Chi-squared test (α = 0.05). Results: In this study, 60% of women and 40% of men had endodontic treatment and 42.2% of women and 57.8% of men had single tooth implants. There was no significant difference between the treatment outcomes in the studied groups (p value > 0.521). There was no statistically significant relationship between gender and type of treatment as well as gender and treatment satisfaction (p value > 0.05). Conclusion: Considering the preservation of natural teeth, if possible, root canal treatment is the main treatment of choice, otherwise a single-tooth implant can be a good alternative to missing or extracted teeth in terms of successful outcomes.
{"title":"Comparison of Clinical and Radiographic Results of Single Tooth Implants against Endodontic Treatment with Post and Crown Repair","authors":"Mohammad Ali Esmaeeli, E. Rafiei, Parisa Ranjbarian, Nasim Maghamipour","doi":"10.18502/ijds.v18i2.10534","DOIUrl":"https://doi.org/10.18502/ijds.v18i2.10534","url":null,"abstract":"Introduction: The choice between the two modes of treatment, endodontic treatment and single tooth implants are very different depending on the dentist, design, definition of successful outcomes, evaluation methods, and sample size. The aim of this study was to compare the clinical and radiographic results of single tooth implants versus endodontic treatment with post and crown restoration in patients referred to the School of Dentistry of Islamic Azad University of Isfahan \u0000Materials & Methods: In this cross-sectional analytical study in the academic year 2021, 90 (46 females and 44 males) patients after recording demographic information and medical status, during three different time intervals post treatment (under 3 years, 3 to 5 years and Over 5 years) were examined clinically and radiographically (periapical). Outcome of treatment was classified based on clinical and radiographic findings into three categories: successful, surviving and unsuccessful. Data were analyzed using Chi-squared test (α = 0.05). \u0000Results: In this study, 60% of women and 40% of men had endodontic treatment and 42.2% of women and 57.8% of men had single tooth implants. There was no significant difference between the treatment outcomes in the studied groups (p value > 0.521). There was no statistically significant relationship between gender and type of treatment as well as gender and treatment satisfaction (p value > 0.05). \u0000Conclusion: Considering the preservation of natural teeth, if possible, root canal treatment is the main treatment of choice, otherwise a single-tooth implant can be a good alternative to missing or extracted teeth in terms of successful outcomes.","PeriodicalId":221865,"journal":{"name":"Journal of Isfahan Dental School","volume":" 18","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113950823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-06DOI: 10.18502/ijds.v18i2.10529
Samineh Massah, E. Rafiei, Parisa Ranjbarian
Introduction: Inflammation and infection can spread from the dental pulp to the periodontal tissue and from the periodontium to the pulp. Given the challenging nature of diagnosing endodontic-periodontal lesions and the importance of appropriate treatment to improve dental prognosis, this study was performed to evaluate the knowledge of dental students about the diagnosis of pulp and periodontal lesions. Materials & Methods: In this analytical observational study, a questionnaire was designed to assess knowledge on pulp and periapical lesions in three areas of theoretical knowledge, knowledge in diagnosis and knowledge in treatment in the second semester of the academic year 2021 and filled out by 400 dental students representing 15 cities of Iran. Data analysis was performed by Friedman, Wilcoxon and Mann-Whitney tests (α = 0.05). Results: Percentage of correct answer of dental students to the questions related to theoretical knowledge 65.70 ± 18.39, percentage of correct answer to the questions of students' diagnostic knowledge 50.75 ± 33.28, percentage of correct answer to the questions of treatment knowledge 52.13 ± 23.93 and the percentage of correct answers to the questions of knowledge in total was 56.68 ± 16.35, which is statistically significant in terms of knowledge in the three areas studied (p value < 0.001). Conclusion: In the present study, it was shown that the highest level of appropriate knowledge in students is in the field of theoretical knowledge of endodontic-periodontal lesions and the least level of appropriate knowledge was in the field of diagnosis of these diseases. The overall knowledge of students in this study about endodonticperiodontal lesions was shown to be moderate.
{"title":"A Survey of Undergraduate Dentistry Students Awareness about Pulp and Periodontal Lesions in Fourteen Cities of Iran","authors":"Samineh Massah, E. Rafiei, Parisa Ranjbarian","doi":"10.18502/ijds.v18i2.10529","DOIUrl":"https://doi.org/10.18502/ijds.v18i2.10529","url":null,"abstract":"Introduction: Inflammation and infection can spread from the dental pulp to the periodontal tissue and from the periodontium to the pulp. Given the challenging nature of diagnosing endodontic-periodontal lesions and the importance of appropriate treatment to improve dental prognosis, this study was performed to evaluate the knowledge of dental students about the diagnosis of pulp and periodontal lesions. \u0000Materials & Methods: In this analytical observational study, a questionnaire was designed to assess knowledge on pulp and periapical lesions in three areas of theoretical knowledge, knowledge in diagnosis and knowledge in treatment in the second semester of the academic year 2021 and filled out by 400 dental students representing 15 cities of Iran. Data analysis was performed by Friedman, Wilcoxon and Mann-Whitney tests (α = 0.05). \u0000Results: Percentage of correct answer of dental students to the questions related to theoretical knowledge 65.70 ± 18.39, percentage of correct answer to the questions of students' diagnostic knowledge 50.75 ± 33.28, percentage of correct answer to the questions of treatment knowledge 52.13 ± 23.93 and the percentage of correct answers to the questions of knowledge in total was 56.68 ± 16.35, which is statistically significant in terms of knowledge in the three areas studied (p value < 0.001). \u0000Conclusion: In the present study, it was shown that the highest level of appropriate knowledge in students is in the field of theoretical knowledge of endodontic-periodontal lesions and the least level of appropriate knowledge was in the field of diagnosis of these diseases. The overall knowledge of students in this study about endodonticperiodontal lesions was shown to be moderate. \u0000 ","PeriodicalId":221865,"journal":{"name":"Journal of Isfahan Dental School","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122939944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-06DOI: 10.18502/ijds.v18i2.10527
Mitra Johari, Mohammad Ghasabzadehnaeini, Mohammad Aminkavoosi, Maryam Hedayatian
Introduction: Accuracy in guided implant surgery means that pre-determined position of the implant by the software matches the position of the implant in the patient's mouth. The aim of this study was to evaluate the impact of initial prediction by navigation in the DIOnavi system on the accuracy of implant placement. Materials & Methods: In this interventional study, two samples of 17 and 25 patients) in total 42 patient) requesting navigation method for implant placement were selected. First, a cone beam computed tomography (CBCT) was taken from each patient and then its virtual model was prepared using the DIO NAVI system (South Korean DIO company. Two to three months following the implant placement by the surgeon, the CBCT from the same section was obtained again and the thickness of the buccal bone on the implant, the thickness of the lingual bone on the implant, the distance of the implant apex to the apical anatomic regions (Nasal cavity, Maxillary sinus and Mental foramen), Implant depth from crest edge and implant distance from adjacent teeth if present in the two obtained images were compared. Data were analyzed using paired t test and Pearson Correlation Coefficient (α = 0.05). Results: The mean of all measurements in both groups in the initial prediction was significantly related to after surgery (r = 0.99, p value < 0.001) and in the group of 17, 98% and in the group of 25, 97.4% of the variances of the means of the total measurements were explained by the initial prediction. Conclusion: The accuracy of implant placement with the help of dionavi system is estimated to be more than 97%.
{"title":"Assessing the Initial Prediction by Navigation in the DIOnavi System on the Accuracy of Implant Placement","authors":"Mitra Johari, Mohammad Ghasabzadehnaeini, Mohammad Aminkavoosi, Maryam Hedayatian","doi":"10.18502/ijds.v18i2.10527","DOIUrl":"https://doi.org/10.18502/ijds.v18i2.10527","url":null,"abstract":"Introduction: Accuracy in guided implant surgery means that pre-determined position of the implant by the software matches the position of the implant in the patient's mouth. The aim of this study was to evaluate the impact of initial prediction by navigation in the DIOnavi system on the accuracy of implant placement. \u0000Materials & Methods: In this interventional study, two samples of 17 and 25 patients) in total 42 patient) requesting navigation method for implant placement were selected. First, a cone beam computed tomography (CBCT) was taken from each patient and then its virtual model was prepared using the DIO NAVI system (South Korean DIO company. Two to three months following the implant placement by the surgeon, the CBCT from the same section was obtained again and the thickness of the buccal bone on the implant, the thickness of the lingual bone on the implant, the distance of the implant apex to the apical anatomic regions (Nasal cavity, Maxillary sinus and Mental foramen), Implant depth from crest edge and implant distance from adjacent teeth if present in the two obtained images were compared. Data were analyzed using paired t test and Pearson Correlation Coefficient (α = 0.05). \u0000Results: The mean of all measurements in both groups in the initial prediction was significantly related to after surgery (r = 0.99, p value < 0.001) and in the group of 17, 98% and in the group of 25, 97.4% of the variances of the means of the total measurements were explained by the initial prediction. \u0000Conclusion: The accuracy of implant placement with the help of dionavi system is estimated to be more than 97%. \u0000 ","PeriodicalId":221865,"journal":{"name":"Journal of Isfahan Dental School","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134103444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-06DOI: 10.18502/ijds.v18i2.10533
Elham Faghihian, Z. Saied-Moallemi, Nafiseh Zare
Introduction: Medical emergencies during dental treatment are likely to occur. The ability of a dentist to manage medical emergencies requires sufficient knowledge and information. The purpose of this study was to survey the level of knowledge of the undergraduate dental students of Isfahan University of Medical Sciences on medical emergencies. Materials & Methods: In the cross-sectional study in 2019, 60 senior dental students at the University of Medical Sciences of Isfahan were evaluated. A questionnaire was used for data collection with confirmed validity and reliability. Data was analyzed with correlation coefficients and independent t-test with level of significance at 0.05. Results: Participants' overall knowledge scores were 7.53 ± 2.58 out of 12. There wasn’t a significant difference between the knowledge of male and female students (p value = 0.72). Also this study revealed a relative relationship between students' medical emergencies score and their knowledge on emergencies (p value < 0.001, r = 0.48). Conclusion: The knowledge status of senior dental students on medical emergencies was not desirable. It is recommended that more educational content like theoretical classes and practical workshops should be considered for dental students.
{"title":"Assessment of Knowledge of Senior Dental Students of Isfahan University of Medical Sciences on Medical Emergencies","authors":"Elham Faghihian, Z. Saied-Moallemi, Nafiseh Zare","doi":"10.18502/ijds.v18i2.10533","DOIUrl":"https://doi.org/10.18502/ijds.v18i2.10533","url":null,"abstract":"Introduction: Medical emergencies during dental treatment are likely to occur. The ability of a dentist to manage medical emergencies requires sufficient knowledge and information. The purpose of this study was to survey the level of knowledge of the undergraduate dental students of Isfahan University of Medical Sciences on medical emergencies. \u0000Materials & Methods: In the cross-sectional study in 2019, 60 senior dental students at the University of Medical Sciences of Isfahan were evaluated. A questionnaire was used for data collection with confirmed validity and reliability. Data was analyzed with correlation coefficients and independent t-test with level of significance at 0.05. \u0000Results: Participants' overall knowledge scores were 7.53 ± 2.58 out of 12. There wasn’t a significant difference between the knowledge of male and female students (p value = 0.72). Also this study revealed a relative relationship between students' medical emergencies score and their knowledge on emergencies (p value < 0.001, r = 0.48). \u0000Conclusion: The knowledge status of senior dental students on medical emergencies was not desirable. It is recommended that more educational content like theoretical classes and practical workshops should be considered for dental students.","PeriodicalId":221865,"journal":{"name":"Journal of Isfahan Dental School","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126503223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-07-17DOI: 10.18502/ijds.v18i1.10076
Negin Razavi, M. Nili, Masoud Feizbakhsh, Bahador Afrooz
Introduction: The curve of spee is very important in complete oral reconstructions and can be used as a reference for prosthetic and orthodontic reconstructions. This study assessed the curve of spee in the maxilla and mandible and its relationship with the overjet and overbite in class I, II, and III malocclusions in Iranian population. In this descriptive cross- sectional study, 75 pairs of dental casts with permanent dental system and having second molars, available in the clinic of Khorasgan Azad University and private orthodontic offices were selected and divided into three groups of 25 based on malocclusion I, II, and III. Materials & Methods: In this descriptive cross- sectional study, 75 pairs of dental casts with permanent dental system and having second molars, available in the clinic of Khorasgan Azad University and private orthodontic offices were selected and divided into three groups of 25 based on malocclusion I, II and III. The radius and depth of curve of spee were obtained. Radius of the curve of spee, the tip of canine cusps, the mesiobuccal of the first molars, and the distobuccal cusps of the second molars were joined together in the form of an arch. To measure the depth of curve of spee, the reference plan was drawn from buccal canine cusp to distobuccal cusp of the second molars. The perpendicular lines were drawn from this line to the edge of the premolars cusp, the first molar and the second molar mesiobuccal cusp and the deepest part was regarded for the measurements. Overjet was measured as an average of 6 upper anterior teeth and overbite as an average of 4 anterior lower teeth and the values of radius and depth of horseshoe curvature and overbite and overjet values were analyzed by One-way ANOVA and Tukey test and Correlation between data was also examined by Pearson correlation coefficient test (p value = 0.05). Results: In class II malocclusion, overbite values had a significant relationship with radius (p value = 0.02) and depth of the curve of spee (p value = 0.04), in class III malocclusion, overbite values had a significant relationship with the curve of spee (p value = 0.001) had. In class II malocclusion, the curve of spee was deeper and overbite values were higher, and also in the class III malocclusions, a direct relationship existed between the curve of spee and overbite Conclusion: Curve of spee effects the values of overjet and overbite, and the presence of increased overbite results from a deep spee curvature.
{"title":"Assessing the Curve of Spee in Permanent Dentition in Class I, II, III Malocclusions and its Relation with Overjet and Overbite","authors":"Negin Razavi, M. Nili, Masoud Feizbakhsh, Bahador Afrooz","doi":"10.18502/ijds.v18i1.10076","DOIUrl":"https://doi.org/10.18502/ijds.v18i1.10076","url":null,"abstract":"Introduction: The curve of spee is very important in complete oral reconstructions and can be used as a reference for prosthetic and orthodontic reconstructions. This study assessed the curve of spee in the maxilla and mandible and its relationship with the overjet and overbite in class I, II, and III malocclusions in Iranian population. In this descriptive cross- sectional study, 75 pairs of dental casts with permanent dental system and having second molars, available in the clinic of Khorasgan Azad University and private orthodontic offices were selected and divided into three groups of 25 based on malocclusion I, II, and III. \u0000Materials & Methods: In this descriptive cross- sectional study, 75 pairs of dental casts with permanent dental system and having second molars, available in the clinic of Khorasgan Azad University and private orthodontic offices were selected and divided into three groups of 25 based on malocclusion I, II and III. The radius and depth of curve of spee were obtained. Radius of the curve of spee, the tip of canine cusps, the mesiobuccal of the first molars, and the distobuccal cusps of the second molars were joined together in the form of an arch. To measure the depth of curve of spee, the reference plan was drawn from buccal canine cusp to distobuccal cusp of the second molars. The perpendicular lines were drawn from this line to the edge of the premolars cusp, the first molar and the second molar mesiobuccal cusp and the deepest part was regarded for the measurements. Overjet was measured as an average of 6 upper anterior teeth and overbite as an average of 4 anterior lower teeth and the values of radius and depth of horseshoe curvature and overbite and overjet values were analyzed by One-way ANOVA and Tukey test and Correlation between data was also examined by Pearson correlation coefficient test (p value = 0.05). \u0000Results: In class II malocclusion, overbite values had a significant relationship with radius (p value = 0.02) and depth of the curve of spee (p value = 0.04), in class III malocclusion, overbite values had a significant relationship with the curve of spee (p value = 0.001) had. In class II malocclusion, the curve of spee was deeper and overbite values were higher, and also in the class III malocclusions, a direct relationship existed between the curve of spee and overbite \u0000Conclusion: Curve of spee effects the values of overjet and overbite, and the presence of increased overbite results from a deep spee curvature.","PeriodicalId":221865,"journal":{"name":"Journal of Isfahan Dental School","volume":"323-325 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130876240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：