Tooth size discrepancy; Bolton analysis



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مرفق1 : نموذج للملخصات البحثية إنجليزي

Title

Tooth size and anterior ratio in skeletal class III subjects with mandibular prognathism

Author-s

L. Baidas, N. Al-Jasser

Contact lnfo

njasser@ksu.edu.sa, Telephone # 467-7310

Department

Pediatric Dentistry and Orthodontics (POS)

Major

Orthodontics

citation

Egyptian Dental Journal; 51(2): 653

Year of Publication

2005

Publisher

Egyptian Dental Association

Sponsor

King Saud University

Type of Publication

Article in Scientific Periodical Specialized Journal

ISSN

0070-9484

URI/DOI

http://www.eda-egypt.org/index.php?q=node/1762

Full Text (Yes,No)

No

Key words

Tooth size discrepancy; Bolton analysis; mandibular prognathism

Abstract

Objective: The objectives of this investigation were to describe the prevalence of anterior tooth size discrepancies in Skeletal Class III with mandibular prognathism, and whether sexual dimorphism exists for anterior tooth size ratios.
Methods: The measurements were obtained from 40 study models with both sexes (19 female, 21 male). All patients were Saudi nationals, between the ages of 19 to 30 years old. Descriptive statistics and t-test were used for the analysis of the data.
Results: Subjects having skeletal Class III with mandibular prognathism showed highly significant anterior ratio (80.6 +2) compared to the Bolton Study (P<0.001), a high prevalence of anterior tooth size discrepancy, no sexual dimorphism and significant difference in some mesiodistal tooth size difference between sexes.
Conclusion: Tooth size analysis is an important diagnostic tool and should be included as one part of the records when establishing treatment planning.

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