Factors related to Bolton’s anterior ratio in Brazilians with natural normal occlusion

Authors

  • Renata Pilli Jóias Methodist University of São Paulo (UMESP)
  • Marco Antonio Scanavini Methodist University of São Paulo (UMESP)

DOI:

https://doi.org/10.20396/bjos.v10i1.8641707

Keywords:

Orthodontics, Dental occlusion, Dental crown

Abstract

Aim: To verify whether some factors could be related to Bolton’s anterior ratio: buccolingual thickness of upper incisors, mesiodistal tipping of upper incisors, overjet and overbite, and if there is gender dimorphism. Methods: Thirty-five pairs of dental casts with natural normal occlusion were evaluated, proceeding from 27 females and 8 male Caucasian individuals, aged between 13 years old and 17 years and 4 months (mean age: 15y8m). A digital caliper and a ruler were used to make the measurements. Results: The anterior ratio was 77.48% ± 2.22, being statistically similar to Bolton’s, 77.20% ± 1.65. Based on Pearson’s correlation test, only the overbite presented relation to the anterior ratio. It was not found gender dimorphism. Conclusions: Overbite was inversely proportional to Bolton’s anterior ratio, hence, when the anterior ratio is increased, the overbite could be decreased and vice-versa.

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Author Biographies

Renata Pilli Jóias, Methodist University of São Paulo (UMESP)

DDS, MS, Department of Orthodontics, School of Dentistry, Methodist University of São Paulo (UMESP)

Marco Antonio Scanavini, Methodist University of São Paulo (UMESP)

DDS, MS, PhD, Professor and Coordinator, Department of Orthodontics, Methodist University of São Paulo (UMESP)

Published

2015-11-12

How to Cite

1.
Jóias RP, Scanavini MA. Factors related to Bolton’s anterior ratio in Brazilians with natural normal occlusion. Braz. J. Oral Sci. [Internet]. 2015 Nov. 12 [cited 2022 Sep. 28];10(1):69-73. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8641707

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