Summary
The anterior buccal mandibular depression (ABMD) is a bilateral symmetrical depression located anterior to the mental foramen and extends under the alveoli of the first premolar to the central incisor. The prevalence, dimensions and contents of the ABMD in cadavers of fetuses and adult modern humans were evaluated. ABMD was found in all fetuses and in 31.8% of adults. The average dimensions of the ABMD in adults were depth 2.36 mm, width 5.44 mm and length 12.43 mm. The present study contributes to a better evaluation of the differential diagnosis and treatment planning in the anterior region of the mandible. A possible etiology for the development of ABMD is suggested.
Résumé
La dépression orale antérieure de la mandibule (DOAM) est une dépression bilatérale et symétrique située en avant du foramen mentonnier, s'étendant sous les alvéoles de la première prémolaire à l'incisive centrale. La prévalence, les dimensions et le contenu de cette dépression ont été appréciés sur les cadavres de foetus et d'adultes. La dépression a été trouvée chez tous les foetus et chez 31,8 % des adultes. Ses dimensions moyennes chez l'adulte sont 2,36 mm de profondeur, 5,44 mm de largeur et 12,43 mm de longueur. La présente étude contribue à une meilleure évaluation du diagnostic différentiel et de la planification opératoire au niveau de la partie antérieure de la mandibule. Une cause possible au développement de cette dépression est suggérée.
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Littner, M., Kaffe, I., Levine, T. et al. Anterior buccal mandibular depression (ABMD) anatomic and histologic features. Surg Radiol Anat 16, 179–182 (1994). https://doi.org/10.1007/BF01627592
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DOI: https://doi.org/10.1007/BF01627592