Orthodontics, Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
Division of Orthodontics, Department of Preventive Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia.
Eur J Orthod. 2021 Jan 29;43(1):29-35. doi: 10.1093/ejo/cjaa014.
OBJECTIVES: To analyse prevalence, pattern, and severity of taurodontism in individuals with Van der Woude syndrome (VWS) exhibiting cleft palate and compare with aged-matched non-syndromic cleft palate (NSCP) and non-cleft controls. MATERIALS AND METHODS: One hundred and seventy-eight dental panoramic tomographs (DPTs) (105 girls and 73 boys) consisting of 42 VWS patients (x¯=8.55±1.02 years), 42 NSCP patients (x¯=8.59±1.02 years), and 94 normative non-cleft children (x¯=8.79±1.16 years) were assessed and their first permanent molars evaluated. Measurement 3 of the taurodontism index developed by Shifman and Chanannel with the Tulensalo modification was used. Prevalence, pattern, and severity were compared between groups. Statistical differences were determined by one-way analysis of variance and Fisher test. Repeatability was calculated by Cohens Kappa test. RESULTS: The prevalence of taurodontic molars was 59.5% in VWS, 45.2% in NSCP, and 26.6% in non-cleft controls. The prevalence and severity of taurodontism in VWS and NSCP were significantly higher than in non-cleft children in all first permanent molars. There was no significant difference in prevalence and severity between VWS and NSCP. The odds for having taurodontism in the VWS group was approximately double compared to the NSCP group. Most of the taurodontic molars showed hypotaurodontism and taurodontism occurred bilaterally more frequently than unilaterally. CONCLUSION: This study shows a higher prevalence of taurodontism in VWS and NSCP. Most taurodontic molars are hypotaurodontic and most occur bilaterally.
目的：分析患有唇腭裂的 Vander Woude 综合征（VWS）个体中尖牙畸形的流行率、模式和严重程度，并与年龄匹配的非综合征性唇腭裂（NSCP）和非腭裂对照组进行比较。
材料和方法：共评估了 178 张牙科全景断层片（DPT）（105 名女孩和 73 名男孩），包括 42 名 VWS 患者（x¯=8.55±1.02 岁）、42 名 NSCP 患者（x¯=8.59±1.02 岁）和 94 名正常非腭裂儿童（x¯=8.79±1.16 岁），并对他们的第一恒磨牙进行了评估。采用 Shifman 和 Chanannel 开发的尖牙畸形指数测量 3，采用 Tulensalo 改良法。比较各组之间的流行率、模式和严重程度。采用单因素方差分析和 Fisher 检验确定统计学差异。用 Cohen's Kappa 检验计算重复性。
结果：VWS 中尖牙畸形的患病率为 59.5%，NSCP 为 45.2%，非腭裂对照组为 26.6%。VWS 和 NSCP 中所有第一恒磨牙的尖牙畸形患病率和严重程度明显高于非腭裂对照组。VWS 和 NSCP 之间的患病率和严重程度无显著差异。VWS 组发生尖牙畸形的几率约为 NSCP 组的两倍。大多数尖牙畸形为低尖牙畸形，双侧发生的频率高于单侧。
结论：本研究显示 VWS 和 NSCP 中尖牙畸形的患病率较高。大多数尖牙畸形为低尖牙畸形，大多数发生于双侧。
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