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Updated: Jul 19, 2026
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A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
Published on: April 8, 2020
Relationship between the face and the tooth form.
L Ibrahimagić1, V Jerolimov, A Celebić
1Medical Center Zenica, Bosnia and Herzegovina.
Collegium Antropologicum
|January 29, 2002
Summary
This study found that facial and tooth dimensions differ between men and women, with Bosnian individuals having narrower incisors than West Europeans. The findings challenge existing theories and offer insights for dental prosthetics.
Area of Science:
- Anthropology
- Dentistry
- Biometrics
Background:
- Leon Williams' geometric theory proposes a correlation between facial and tooth morphology.
- Understanding this relationship is crucial for aesthetic and functional dental restorations.
Purpose of the Study:
- To re-examine Leon Williams' geometric theory.
- To determine the correspondence between facial and tooth form in a Bosnian population.
- To provide data for artificial tooth selection in complete denture construction.
Main Methods:
- Anthropometric measurements of facial (temporal, zygomatic, gonial widths; face length) and dental (incisor widths, incisor length) dimensions.
- Sample: 2000 individuals (17-24 years) from Zenica, Bosnia and Herzegovina.
- Statistical analysis to compare dimensions between sexes and assess correlations.
Main Results:
- Men exhibited significantly larger facial and tooth dimensions than women, except for cervical tooth width.
- Bosnian individuals' upper central incisor width was approximately 1.5 mm smaller than West Europeans.
- Three dominant face shapes (oval, square-tapered, tapered) and three tooth forms (tapered-square, oval, tapered) were identified, with 98% of the population fitting these categories.
- The most common combination was oval face with a tapered-square central incisor (45%).
Conclusions:
- The study's findings do not support Leon Williams' geometric theory.
- Significant differences in facial and tooth morphology exist within the studied population.
- Results can inform the selection of artificial teeth for improved denture construction and the dental industry.
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