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Published: 2022-02-22
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DOI: https://doi.org/10.52852/tcncyh.v150i2.731
Issue
Vol. 150 No. 2 (2022)
Section
Các bài báo
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Hương, N. T. T., Sơn, T. M., Khánh, T. V., & Dũng, V. C. (2022). The prevalence of taurodontism in patients with osteogenesis imperfecta at The National Hospital of Pediatrics from 2019 to 2021. Journal of Medical Research, 150(2), 78-87. https://doi.org/10.52852/tcncyh.v150i2.731

The prevalence of taurodontism in patients with osteogenesis imperfecta at The National Hospital of Pediatrics from 2019 to 2021

Nguyen Thi Thu Huong, Tong Minh Son, Tran Van Khanh, Vu Chi Dung

Main Article Content

Abstract

The purpose of this study was to determine the prevalence of tautodontism in the mandibular first and second molars in children and adolescents with osteogenesis imperfecta (OI). Methods: This is a cross-sectional study. Taurodontism was evaluated on dental radiographs of twenty-nine patients with OI aged between 7 and 19 years old. The dimensions of pulp chamber of permanent mandibular molars with closed apices were then examined. Results: Taurodontism was determined in 41.4% patients with OI. In which, according to Shaw’s classification, the hypotaurodontism group accounted for 66.7% (8/12), the mesotautodontism group made up 33.3% (4/12), no case was detected as hypertaurodontism. The percentage of taurodontism in male patients with OI was 37.5% (6/16), while in female patients with OI was 46.2% (6/13). Our study has showed that the presense of taurodontism is bilateral and symmetric in distribution, not associated with gender as well as the presence of dentinogenesis imperfecta (DI). The prevalence of taurodontism in the control group was 4.7% (7/149). The probability of patients with taurodontism in the OI group was 14.32 times higher than the control group (Odd ratio = 14.32; 95%; 95%CI: 4.9 – 41.3; p=0.00005). Conclusion: Our study has shown that taurodontism commonly appeared in patients with OI, and the most common type was hypotaurodontism. The manifestations of taurodontism were bilateral and symmetric in distribution, not associated with gender as well as the presence of dentinogenesis imperfecta (DI).

Article Details

Keywords

Osteogenesis imperfecta, taurodontism, enlarged pulp chamber

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