{"title":"The role of leukocyte- and platelet-rich fibrin as a sole grafting material in alveolar ridge preservation: a clinical radiographic study","authors":"Mohamad Al Kassar, O. Heshmeh","doi":"10.5114/jos.2022.124301","DOIUrl":"https://doi.org/10.5114/jos.2022.124301","url":null,"abstract":"","PeriodicalId":35469,"journal":{"name":"Journal of Stomatology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71128011","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}
{"title":"Anti-bacterial activity of applying chitosan and propolis dressing against Enterococcus faecalis in primary teeth: in vitro study","authors":"B. Shamma, E. Arrag, A. Rajab, S. Kurdi","doi":"10.5114/jos.2022.114496","DOIUrl":"https://doi.org/10.5114/jos.2022.114496","url":null,"abstract":"","PeriodicalId":35469,"journal":{"name":"Journal of Stomatology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71126232","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}
Introduction: Metal-ceramic bond strength is one of the essentials that must be studied due to recent develop-ments in dentistry. Objectives: This study aimed to evaluate the ceramic bond strength with metallic sub-structure made of chro-mium-cobalt alloy and fabricated by selective laser melting (SLM) technique after applying different surface treatments. Material and methods: 40 metallic strips of Co-Cr alloy manufactured by SLM technique were divided into two main groups, A and B, which were again divided into 4 sub-groups as follows: A1 – natural surface roughness maintained ( n = 10); A2 – natural roughness with a bonding agent application ( n = 10); B1 – sandblasted surface ( n = 10); B2 – sandblasted surface with a bonding agent application ( n = 10). A surface roughness measuring test was carried out to obtain Ra-Rz values. Three-point bending test according to ISO 9693 standards was performed to determine the metal-ceramic bond strength in MPa. Fracture failure mode was determined by using an optical microscope. Results: Student’s t -test was used to compare among the mean bond strengths of sub-groups, with a significant difference observed only between A1 and A2 and between A2 and B2 sub-groups. Mann-Whitney test was applied to compare among the mean ranks of the failure modes, with a significant difference noticed only between A1 and A2 sub-groups. Conclusions: The bond strength in all the studied sub-groups exceeded the required minimum 25 MPa, according to ISO 9693 standards. The bonding agent had a minor effect when applied on sandblasted surfaces, while it had an important effect when applied on a natural surface roughness.
{"title":"In-vitro comparative study to evaluate bond strength of porcelain on metal sub-structure fabricated by selective laser melting (SLM) technique after application of different surface treatments","authors":"Tony Samra, Rima Saker","doi":"10.5114/jos.2022.117330","DOIUrl":"https://doi.org/10.5114/jos.2022.117330","url":null,"abstract":"Introduction: Metal-ceramic bond strength is one of the essentials that must be studied due to recent develop-ments in dentistry. Objectives: This study aimed to evaluate the ceramic bond strength with metallic sub-structure made of chro-mium-cobalt alloy and fabricated by selective laser melting (SLM) technique after applying different surface treatments. Material and methods: 40 metallic strips of Co-Cr alloy manufactured by SLM technique were divided into two main groups, A and B, which were again divided into 4 sub-groups as follows: A1 – natural surface roughness maintained ( n = 10); A2 – natural roughness with a bonding agent application ( n = 10); B1 – sandblasted surface ( n = 10); B2 – sandblasted surface with a bonding agent application ( n = 10). A surface roughness measuring test was carried out to obtain Ra-Rz values. Three-point bending test according to ISO 9693 standards was performed to determine the metal-ceramic bond strength in MPa. Fracture failure mode was determined by using an optical microscope. Results: Student’s t -test was used to compare among the mean bond strengths of sub-groups, with a significant difference observed only between A1 and A2 and between A2 and B2 sub-groups. Mann-Whitney test was applied to compare among the mean ranks of the failure modes, with a significant difference noticed only between A1 and A2 sub-groups. Conclusions: The bond strength in all the studied sub-groups exceeded the required minimum 25 MPa, according to ISO 9693 standards. The bonding agent had a minor effect when applied on sandblasted surfaces, while it had an important effect when applied on a natural surface roughness.","PeriodicalId":35469,"journal":{"name":"Journal of Stomatology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71126263","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}
Introduction: Vibration and ultrasound have been recently introduced as methods to enhance orthodontic treatment. Beside the limited number of clinical trials evaluating their effectiveness on modulating pain perception, no clinical trial has reported a comparison of these two methods. Objectives: The aim of the present study was to investigate the effectiveness of vibration and ultrasound on pain perception alleviation, and to compare the efficacy of both interventions given that no previous study has investigated these aspects. Material and methods: The research sample consisted of 36 patients, who were randomly assigned into three equal groups (vibration group, ultrasound group, and control group). After elastomeric separator placement, two interventional groups were requested to apply vibration and ultrasound for 5 minutes twice-daily on each upper first molar, whilst control group was not subjected to any physical stimulus. In conjunction with this procedure, a pain assessment questionnaire was distributed to all patients, and a daily assessment by visual analogue scale (VAS) was carried out for 5 days since separators placement. Results: Subjects in vibration group had lower pain scores at all time-points with significant decrease of pain at the first, fourth, and fifth days of application, compared with ultrasound and control groups. No significant differences were noted between ultrasound and control groups among all observational time-points. Conclusions: Five-minutes, twice-daily application of vibration contributes to the reduction of pain associated with elastomeric separator placement, and could be a suitable method for pain control in the daily orthodontics practice.
{"title":"Effects of toothbrush-generated vibration and ultrasound on pain perception following orthodontic elastomeric separation: a randomized controlled clinical trial","authors":"W. Bakdach, R. Hadad","doi":"10.5114/jos.2022.117335","DOIUrl":"https://doi.org/10.5114/jos.2022.117335","url":null,"abstract":"Introduction: Vibration and ultrasound have been recently introduced as methods to enhance orthodontic treatment. Beside the limited number of clinical trials evaluating their effectiveness on modulating pain perception, no clinical trial has reported a comparison of these two methods. Objectives: The aim of the present study was to investigate the effectiveness of vibration and ultrasound on pain perception alleviation, and to compare the efficacy of both interventions given that no previous study has investigated these aspects. Material and methods: The research sample consisted of 36 patients, who were randomly assigned into three equal groups (vibration group, ultrasound group, and control group). After elastomeric separator placement, two interventional groups were requested to apply vibration and ultrasound for 5 minutes twice-daily on each upper first molar, whilst control group was not subjected to any physical stimulus. In conjunction with this procedure, a pain assessment questionnaire was distributed to all patients, and a daily assessment by visual analogue scale (VAS) was carried out for 5 days since separators placement. Results: Subjects in vibration group had lower pain scores at all time-points with significant decrease of pain at the first, fourth, and fifth days of application, compared with ultrasound and control groups. No significant differences were noted between ultrasound and control groups among all observational time-points. Conclusions: Five-minutes, twice-daily application of vibration contributes to the reduction of pain associated with elastomeric separator placement, and could be a suitable method for pain control in the daily orthodontics practice.","PeriodicalId":35469,"journal":{"name":"Journal of Stomatology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71126328","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}
{"title":"Third molars impaction pattern with associated pathologies in panoramic radiographs of West Java, Indonesian population","authors":"R. Saputri, Dominica Dian Saraswati Sumantri, Aprianisa Obsidiany Daisy Tarigan, Gabriela Christabel","doi":"10.5114/jos.2022.119193","DOIUrl":"https://doi.org/10.5114/jos.2022.119193","url":null,"abstract":"","PeriodicalId":35469,"journal":{"name":"Journal of Stomatology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71126587","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}
Perya Özsöyler Bozan, A. Kavak, Mikail Aslan, H. Çanakçi, A. Demiryürek
{"title":"Effects of ionizing radiation on mechanical proprieties of restorative materials and enamel in upper molars: an in-vitro study","authors":"Perya Özsöyler Bozan, A. Kavak, Mikail Aslan, H. Çanakçi, A. Demiryürek","doi":"10.5114/jos.2022.124292","DOIUrl":"https://doi.org/10.5114/jos.2022.124292","url":null,"abstract":"","PeriodicalId":35469,"journal":{"name":"Journal of Stomatology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71127843","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}
{"title":"Airway dimensions and mandibular position in adults with different growth patterns: a cone-beam computed tomography study","authors":"P. Paul, A. Thakur, Anirudh Mathur, P. Chitra","doi":"10.5114/jos.2022.117340","DOIUrl":"https://doi.org/10.5114/jos.2022.117340","url":null,"abstract":"","PeriodicalId":35469,"journal":{"name":"Journal of Stomatology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71126541","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}
{"title":"Bioactive glass as an abrasive in air abrasion technique: application in dentistry","authors":"M. Mazur, M. Aluchna, Agnieszka Mielczarek","doi":"10.5114/jos.2022.122029","DOIUrl":"https://doi.org/10.5114/jos.2022.122029","url":null,"abstract":"","PeriodicalId":35469,"journal":{"name":"Journal of Stomatology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71126664","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}
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