J Korean Acad Oral Health.  2020 Dec;44(4):199-204. 10.11149/jkaoh.2020.44.4.199.

The prevalence of taurodontism in primary molar and correlation with permanent first molar

• Woo S
• Kim J
• Lee J
• Kim J

• KMID: 2510250
• DOI: http://doi.org/10.11149/jkaoh.2020.44.4.199

Abstract

Objectives
The purpose of this study was to investigate the prevalence of permanent first molar taurodontism and identify the correlation between primary molars and permanent first molar taurodontism.
Methods
Among the 10,113 children who underwent panoramic radiography at a dental hospital from January 2010 to December 2019, 685 children (404 boys, 281 girls) were included in this study.
Results
Six children (0.8%) and 98 children (14.1%) showed taurodontism of the primary molars and permanent first molar, respectively. All of the children with taurodontism in the primary molars had at least one taurodontism in the permanent first molars.
Conclusions
Early diagnosis of taurodontism in primary molars might allow dentists to make treatment plans in accordance with tooth development.

Keyword

Deciduous tooth; Permanent tooth; Prevalence; Taurodontism

Figure

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  Fig. 1 Criteria of patient selection.

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  Fig. 2 Method of measuring the three variables by Shifman and Chanannel. A, the lowest point of the roof of the pulp chamber; B, the highest point in the floor of the pulp chamber; Apex, the apex of the longest root; V1, height of pulp chamber; V2, roof of pulp chamber to root apex; V3, cementoenamel junctions to floor of the pulp chamber.

Reference

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