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Management of internal resorption observed after a mineral trioxide aggregate pulpotomy in a primary molar tooth: A case report with a 36-month follow-up 三氧化二矿骨料切开术对乳牙内吸收的处理:一个36个月随访的病例报告
Pub Date : 2016-01-01 DOI: 10.4103/2321-6646.174927
M. Akcay, B. Çelik, Ş. Sarı, O. Gunhan
This report discusses the management of an internal resorption seen after a mineral trioxide aggregate (MTA) pulpotomy in a primary molar tooth and presents the histological evaluation. Internal resorption was detected in the distal root of the primary molar tooth at the coronal third, 3 months after an MTA pulpotomy. The resorption was not expanding and was repaired with apposition. At 36 months follow-up, the tooth was extracted, and histological evaluation showed that new mature bone tissue had formed in the resorption area. In addition, a hard tissue bridge was determined at the apical region of the resorption area and pulp vitality was also maintained. The evidence from this case study suggests that internal root resorption can be self-limiting, stable, and healable.
本报告讨论了在三氧化二矿骨料(MTA)牙髓切开术后出现的内部吸收的处理,并提出了组织学评价。在MTA切髓术3个月后,在冠状第三牙的第一磨牙远端根检测到内部吸收。再吸收不扩大,并以附着修复。随访36个月,拔牙,组织学评估显示吸收区形成新的成熟骨组织。此外,在吸收区的根尖区域确定了硬组织桥,并保持了牙髓活力。本病例研究的证据表明,根内吸收可以自我限制、稳定和可愈合。
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引用次数: 1
Comparison of the clinical, radiographic, and histological outcomes of pulpotomy of deciduous teeth in dogs with formocresol, Gutta-percha, and mineral trioxide aggregate 使用福摩甲酚、杜仲胶和三氧化矿物聚集体进行乳牙切开术的临床、影像学和组织学结果比较
Pub Date : 2016-01-01 DOI: 10.4103/2321-6646.174924
N. Nourbakhsh, A. Talebi, N. Akhlaghi, Maziar Manshaei, Rahman Nazeri
The aim of this study was to compare the outcomes of pulpotomy of deciduous teeth in dogs with the use of formocresol, Gutta-percha, and mineral trioxide aggregate (MTA). In this experimental study, 24 deciduous premolar teeth, without internal and external resorption, in two hybrid Iranian dogs, aged 6-8 weeks, were divided into 3 groups, using a simple random technique. In the three study groups, diluted Buckley formocresol, Gutta-percha, and MTA were placed on canal orifices, respectively, and the crowns were restored with zinc oxide eugenol paste and glass ionomer. The teeth underwent a radiographic procedure and extracted after 1-month. The histological samples were evaluated in relation to inflammatory reactions and formation of a hard tissue barrier. Data were analyzed with SPSS version 20 (SPSS Inc., Chicago IL, USA), using ANOVA, ANCOVA, Kruskal-Wallis test, and Spearman′s correlation coefficient (α = 0.05). Kruskal-Wallis test did not reveal any significant differences in clinical signs between the study groups at 2-week interval (P = 0.416) and clinical and radiographic signs 1-month after application of the materials (P = 0.503 and P = 0.122, respectively). ANCOVA did not reveal any significant differences in grading between the groups over time (P = 0.927). There were no differences between materials in the clinical, radiographic, and histological outcomes.
本研究的目的是比较使用福摩甲酚、杜仲胶和三氧化二矿聚集体(MTA)进行乳牙切开术的狗的结果。本实验选用6-8周龄伊朗杂交犬24颗无内外吸收的乳牙,采用简单随机法分为3组。在三个研究组中,分别将稀释的巴克利甲醛酚、杜仲胶和MTA放置在管孔上,并使用氧化锌丁香酚糊和玻璃离子修复冠。1个月后,对牙齿进行了x线检查和拔除。组织学样本被评估与炎症反应和硬组织屏障的形成有关。数据分析采用SPSS 20 (SPSS Inc., Chicago IL, USA),采用方差分析、ANCOVA、Kruskal-Wallis检验和Spearman相关系数(α = 0.05)。Kruskal-Wallis检验未发现两组患者间隔2周的临床体征(P = 0.416)和应用材料后1个月的临床和影像学体征有显著差异(P = 0.503和P = 0.122)。ANCOVA未显示各组间评分随时间的显著差异(P = 0.927)。在临床、影像学和组织学结果方面,材料之间没有差异。
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引用次数: 2
Evaluation of patient with Holt-Oram syndrome in terms of oral and maxillofacial findings Holt-Oram综合征患者口腔颌面表现的评价
Pub Date : 2016-01-01 DOI: 10.4103/2321-6646.174932
Zeki Arslanoğlu, F. Bilgiç, Ediz Kale, O. F. Arpağ, H. Altan
The Holt-Oram syndrome (HOS) is a genetic disorder with autosomal dominant inheritance associated with anomalies in upper extremities and heart and affects one out of every 100,000 live births. Maxillofacial development is also affected by these skeletal abnormalities. Although there are many studies about the HOS in the literature, the data about the development of oral and maxillofacial development are very few. In this study, evaluation of a child with the HOS is made in terms of dental and gingival health, oral and maxillofacial formation, and cephalometric analysis measurements are made for the 1 st time in the literature and identified findings are discussed in company with the literature.
Holt-Oram综合征(HOS)是一种常染色体显性遗传的遗传病,与上肢和心脏异常有关,每10万活产婴儿中就有一人患病。颌面发育也受到这些骨骼异常的影响。虽然文献中有很多关于HOS的研究,但关于口腔颌面发育的资料却很少。在本研究中,对患有HOS的儿童进行了牙齿和牙龈健康、口腔和颌面发育方面的评估,并在文献中首次进行了头部测量分析测量,并与文献一起讨论了确定的结果。
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引用次数: 0
Effect of taper and metallurgy on cleaning efficacy of endodontic files in primary teeth: An in-vitro study 锥度和冶金对乳牙根管锉清洁效果的影响:体外研究
Pub Date : 2015-09-01 DOI: 10.4103/2321-6646.164873
S. Mittal, S. Gupta, Devender Kumar Sharma, A. Sharma, Kavita Mittal
To determine the effect of metallurgy and taper on primary teeth root canals infected with Enterococcus faecalis, by stainless steel (SS) and nickel-titanium (Ni-Ti) endodontic files. Ninety primary teeth root canals were used, in which the canals were sterilized after being enlarged with #15 K-file and then contaminated with an inoculation of a broth of E. faecalis. The teeth were divided into two groups, A and B. A is served as the control group and B as an experimental group. Experimental group was further divided into five subgroups (subgroup B1 - SS K-files: 2% taper, B2 - SS H-files: 2% taper, B3 - SS Flare files: 5% taper, B4 - Ni-Ti: 2% taper, and subgroup B5 - Ni-Ti: 6% taper) based on the metallurgy and taper of different endodontic files used for instrumentation. The post bacterial samples were collected, and were seeded on plates for analysis. After the incubation period, analysis of colony forming units/200 μL was done. The data thus obtained were subjected to statistical analysis. Ni-Ti H and ProTaper group: The 6% taper showed a significant bacterial reduction (P < 0.05) and produced cleaner canals than SS K-files: 2% taper, SS H-files: 2% taper, and Ni-Ti K-files: 2% taper. However, there was not much of difference between Ni-Ti H and ProTaper: The 6% taper and SS Flare files: The 5% taper (P > 0.05). It was concluded that metallurgy does not play a significant role in cleaning efficiency of root canals, whereas taper does influence the bacterial reduction and hence produce cleaner canals in primary teeth.
采用不锈钢(SS)和镍钛(Ni-Ti)根管锉,观察冶金和锥度对感染粪肠球菌的乳牙根管的影响。使用90个乳牙根管,用#15 k锉扩大根管后消毒,然后接种粪肠杆菌肉汤污染根管。将牙齿分为A、B两组,A组为对照组,B组为实验组。根据不同根管锉的冶金和锥度,将实验组分为5个亚组(B1 - SS k锉2%锥度亚组、B2 - SS h锉2%锥度亚组、B3 - SS Flare锉5%锥度亚组、B4 - Ni-Ti 2%锥度亚组和B5 - Ni-Ti 6%锥度亚组)。收集后的细菌样本,并在板上播种进行分析。孵育后,对菌落形成单位/200 μL进行分析。对这样获得的数据进行了统计分析。Ni-Ti H和ProTaper组:6%的锥度比SS k锉:2%锥度,SS H锉:2%锥度和Ni-Ti k锉:2%锥度,细菌减少显著(P < 0.05)。而Ni-Ti H锉与ProTaper锉的差异不显著:6%锥度锉与SS Flare锉的差异不显著(P > 0.05)。结果表明,冶金对根管清洁效率没有显著影响,而锥度对根管细菌的减少有显著影响,从而使乳牙根管清洁。
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引用次数: 5
Effects of different children health drinks on stainability of anterior tooth colored restorative materials-an in vitro study 不同儿童保健饮料对前牙着色修复材料染色性的体外研究
Pub Date : 2015-09-01 DOI: 10.4103/2321-6646.164880
K. Sangeetha, B. Sagar, V. S. Subba Reddy, Rashmi G. Chour, Rohan Talathi, S. Shilpa
The aim of this in vitro study was to evaluate the color stability of various anterior tooth-colored restorative materials by children′s health drinks. Totally, 168 spherical shaped specimens of dimension of 12 mm in diameter and 1.2 mm in thickness were prepared from compomer (Dyract), resin modified glass ionomer (Vitremer), resin composite (Filtek Z350). Each group of 56 specimens of each material were divided into seven subgroups. Each subgroup was stored in a different solution (distilled water, milk, milk with sugar and bournvita, milk with sugar and horlicks, milk with sugar and boost, milk with sugar and complan, milk with sugar and maltova) for 48 h. The color change measurement was done using spectrophotometer (Minolta, CM-3301d) both before and after staining. For each group mean values (ΔEFNx01) were calculated, and inter-comparison between health drinks and materials was done using one-way ANOVA. Intercomparison between materials was done with Tukey′s post -hoc test. The level of significance for all the tests was chosen as P < 0.001. Resin composite showed the highest resistance to staining, and resin modified glass ionomer showed the least resistance. For all the materials, exposure to bournvita and boost resulted in high rates of color change than exposure to complan, maltova, horlicks, milk, and distilled water. All the health drinks tested did not show any visible effect on any of the esthetic restorative materials taken for study.
本研究的目的是评价儿童保健饮料中各种前牙色修复材料的颜色稳定性。用共混物(Dyract)、树脂改性玻璃离子(Vitremer)、树脂复合材料(Filtek Z350)共制备了168个直径为12mm、厚度为1.2 mm的球形试样。每种材料每组56个标本分为7个亚组。每个亚组在不同的溶液(蒸馏水、牛奶、加糖牛奶和伯恩维塔、加糖牛奶和好立克、加糖牛奶和boost、加糖牛奶和康普兰、加糖牛奶和麦芽糖)中保存48小时。染色前后使用分光光度计(美能达,CM-3301d)测量颜色变化。计算各组的平均值(ΔEFNx01),并采用单因素方差分析进行保健饮料和材料之间的相互比较。材料间比较采用Tukey事后检验。所有检验的显著性水平取P < 0.001。树脂复合材料的抗染色性能最好,树脂改性玻璃离聚体的抗染色性能最差。对于所有的材料,暴露在伯恩维塔和boost中导致的颜色变化率比暴露在康普兰、麦芽糖、horlicks、牛奶和蒸馏水中要高。所有被测试的健康饮料都没有显示出对任何用于研究的美学恢复材料有任何明显的影响。
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引用次数: 6
Effect of nutritional rickets on dental development in North Indian children: A prospective study 营养佝偻病对北印度儿童牙齿发育的影响:一项前瞻性研究
Pub Date : 2015-09-01 DOI: 10.4103/2321-6646.164879
V. Galhotra, Pooja Ahluwalia, Sunaina Jodhka, S. Sethi, R. Gambhir
Rickets is a disorder caused by a lack of Vitamin D, calcium or phosphate. It leads to softening and weakening of the bones. Dental manifestation of rickets includes enamel hypoplasia and delayed tooth eruption. The present prospective study was carried out to report various dental anomalies caused due to rickets in children. The present study was carried out on 120 pediatric subjects between the age-group of group 6-18 years of age with history of rickets in infancy as reported by pediatrician. The developmental defect of enamel index was used for recording enamel lesions along with radiographs. Statistical analysis was done using SPSS version 16 (SPSS, Chicago, IL, USA). Enamel hypoplasia was detected in 90 cases, missing teeth were detected in 45 cases, bilaterally missing mandibular second premolars were detected in 30 cases, seven cases were found with bilaterally missing maxillary first premolars, maxillary canines, and mandibular second premolars. Significant dental disturbances, e.g., hypoplasia, missing teeth can occur in children suffering from rickets in infancy. Careful and thorough management of this disorder can be done by conservative dental treatments such as composite sealant restorations and other preventive dental treatments.
佝偻病是一种由缺乏维生素D、钙或磷酸盐引起的疾病。它会导致骨骼软化和衰弱。佝偻病的牙齿表现包括牙釉质发育不全和牙齿延迟出牙。本前瞻性研究报告了儿童佝偻病引起的各种牙齿异常。本研究对120名年龄在6-18岁之间的儿童进行了研究,这些儿童都有儿科医生报告的婴儿期佝偻病病史。牙釉质发育缺陷指数与x线片记录牙釉质病变。统计分析使用SPSS version 16 (SPSS, Chicago, IL, USA)。牙釉质发育不全90例,缺牙45例,双侧下颌第二前磨牙缺牙30例,双侧上颌第一前磨牙、上颌犬齿、下颌第二前磨牙缺牙7例。严重的牙齿紊乱,如发育不全、缺牙,可能发生在婴儿期患有佝偻病的儿童身上。通过保守的牙科治疗,如复合密封剂修复和其他预防性牙科治疗,可以仔细彻底地处理这种疾病。
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引用次数: 3
Caries prevalence of school going boys and girls according to sweet taking frequency among different age groups in and around Guwahati city 古瓦哈提市及其周边地区不同年龄组中按吃糖频率划分的学龄男女患龋率
Pub Date : 2015-09-01 DOI: 10.4103/2321-6646.164877
C. Kalita, B. Choudhury, P. Sarmah, A. Saikia
Dental caries is the most common oral disease in human. Many epidemiological studies have been carried out worldwide to assess the prevalence of dental caries. In India also, several studies have been carried to find out the prevalence of dental caries. To know the cause of disparity of prevalence of dental caries epidemiological study of all the regions is very important. The objective of this study was to determine the caries prevalence of school going boys and girls in and around Guwahati city, Assam, India. About 7233 school going boys and girls from 25 schools, aged 3-17 years participated in the study. Data were also recorded for frequency of taking sweets along with the prevalence of caries to see the association of caries with sweet taking frequency among different age groups. Data were collected using basic oral health survey (WHO) modified form. Results showed that 43.40% boys and girls were affected by caries. Boys (45.85%) showed higher prevalence than girls (40.92%) with a mean value of 5.60 ± 0.03 and 5.28 ± 0.03 respectively, and the difference was statistically significant. Caries is very negligible (1.82% in males and 1.75% in females) among those who occasionally take sweets or never take. Contrary to that, more than 94% sweet takers of both the sexes, those who take sweets more than 5 times a day are affected by caries.
龋齿是人类最常见的口腔疾病。在世界范围内进行了许多流行病学研究,以评估龋齿的患病率。在印度,也进行了几项研究,以查明龋齿的患病率。了解各地区龋患病率差异的原因,开展流行病学研究具有重要意义。本研究的目的是确定印度阿萨姆邦古瓦哈提市及其周边地区上学的男孩和女孩的龋齿患病率。来自25所学校的约7233名3-17岁的在校男女参加了这项研究。研究人员还记录了吃甜食的频率以及龋齿的患病率,以了解不同年龄组中龋齿与吃甜食频率的关系。数据采用基础口腔健康调查(WHO)修改表格收集。结果显示,43.40%的男孩和女孩患龋。男孩(45.85%)高于女孩(40.92%),平均值分别为5.60±0.03和5.28±0.03,差异有统计学意义。偶尔吃糖或从不吃糖的人患龋齿的几率非常小(男性为1.82%,女性为1.75%)。与此相反,超过94%的男性和女性,每天吃5次以上甜食的人会患龋齿。
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引用次数: 7
Direct pulp capping in primary molars: Report of two cases 直接牙髓盖治磨牙2例报告
Pub Date : 2015-09-01 DOI: 10.4103/2321-6646.164884
E. Perez, L. Behar-Horenstein, M. Guelmann
Pulpotomy has been the preferred therapy for carious pulpal exposure in primary teeth. Direct pulp capping (DPC) is considered controversial on these types of cases due to the belief that the pulp may be compromised due to the bacterial invasion with subsequent treatment failure. This case report describes two cases of primary molars effectively treated with DPC after small pulpal exposures during caries excavation.
牙髓切开术是治疗乳牙龋牙髓外露的首选方法。直接髓盖(DPC)在这类病例中被认为是有争议的,因为人们认为牙髓可能因细菌入侵而受损,随后治疗失败。本病例报告描述了两例在挖龋过程中,小牙髓暴露后,用DPC有效治疗初生磨牙。
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引用次数: 2
Application of a direct bonding lingual arch 直接粘接舌弓的应用
Pub Date : 2015-09-01 DOI: 10.4103/2321-6646.164883
T. Kawata, T. Ninomiya, So Koizumi, T. Iwata
Orthodontic treatments involve the fixation of appropriate appliances, such as the lingual arch (LA), which acts as an anchor to stabilize and/or prevent the movement of a tooth. However, application of the LA and transpalatal arch both requires complex laboratory procedures owing to the use of multiple bands. A modified direct bonding LA was developed to simplify laboratory procedures and promote versatile designs. A mesh plate and tube were welded together, and the LA was then attached using the directly bonded mesh plate and tube. Since the LA was only directly bonded on the lingual side, it could be removed according to anchorage requirements without disturbing the labially fixed appliances.
正畸治疗包括固定适当的器具,如舌弓(LA),它作为锚来稳定和/或防止牙齿的移动。然而,由于使用多个波段,LA和经腭弓的应用都需要复杂的实验室程序。开发了一种改进的直接键合LA,以简化实验室程序并促进通用设计。将网板和网管焊接在一起,然后使用直接粘合的网板和网管连接LA。由于LA仅直接粘接在舌侧,因此可以根据支抗要求将其移除,而不会影响唇侧固定矫治器。
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引用次数: 1
How effective is a chewable brush in removing plaque in children? A pilot study 可咀嚼刷清除儿童牙菌斑的效果如何?一项初步研究
Pub Date : 2015-05-01 DOI: 10.4103/2321-6646.155557
T. Bezgin, C. Dağ, N. Özalp
The aim of this pilot study was to evaluate the plaque removal efficiency of a chewable toothbrush (CB) in children. A total of 20 patients aged 10-12 years who attended to the Department of Pediatric Dentistry were enrolled in the study. This was a single-blinded crossover study which examined plaque removal efficiency of a CB compared to a manual toothbrush (MB) following a consecutive use. After professional prophylaxis had been given, participants refrained from brushing and chewing for 48 h. Supragingival plaque was examined using the Turesky modification of the Quigley-Hein Index (TQHI) and the simplified oral hygiene index (OHI-S). For statistical comparison, the difference (prebrushing minus postbrushing) in average scores was calculated. Data were evaluated by Mann-Whitney U-test, with a P < 0.05 considered to be statistically significant. The mean plaque reduction score with TQHI for CB and MB were 1.91 ± 0.54 and 1.96 ± 0.52, respectively. The mean plaque reduction score with OHI-S for CB and MB were 1.31 ± 0.288 and 1.34 ± 0.403, respectively. Differences in scores between the two brushes were not statistically significant (P > 0.05). Within the limits of this study, the experimental chewable brush was found to be as effective as a manual brush in removing plaque. The chewable brush may be an appropriate oral hygiene adjunct for school children, including children with disabilities.
本初步研究的目的是评估儿童咀嚼牙刷(CB)的牙菌斑清除效率。共有20名10-12岁的儿童牙科患者参加了这项研究。这是一项单盲交叉研究,研究了连续使用CB牙刷与手动牙刷(MB)的牙菌斑去除效率。在给予专业预防后,参与者避免刷牙和咀嚼48小时。使用Quigley-Hein指数(TQHI)和简化口腔卫生指数(ohi)的Turesky修正检查龈上菌斑。为了进行统计比较,计算平均得分的差值(刷前减去刷后)。资料采用Mann-Whitney u检验,P < 0.05为差异有统计学意义。CB和MB的TQHI平均斑块减少评分分别为1.91±0.54和1.96±0.52。CB和MB的OHI-S平均斑块减少评分分别为1.31±0.288和1.34±0.403。两种刷的得分差异无统计学意义(P > 0.05)。在本研究的范围内,发现实验咀嚼刷在清除牙菌斑方面与手动刷一样有效。对于学龄儿童,包括残疾儿童,咀嚼刷可能是一种适当的口腔卫生辅助工具。
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引用次数: 10
期刊
Journal of Pediatric Dentistry
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