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Egyptian Dental Journal
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Volume Volume 69 (2023)
Issue Issue 1
Issue 1 - January (Orthodontics, Pediatric & Preventive Dentistry)
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January (Oral Surgery)
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Volume Volume 68 (2022)
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Volume Volume 63 (2017)
Volume Volume 62 (2016)
medhat, A., Elzeiny, M., Fathy, I. (2023). A survey on the occlusal Morphology of premolars in a sample of Egyptian Population. Egyptian Dental Journal, 69(1), 157-166. doi: 10.21608/edj.2022.162826.2272
alaa medhat; medhat Elzeiny; Iman Fathy. "A survey on the occlusal Morphology of premolars in a sample of Egyptian Population". Egyptian Dental Journal, 69, 1, 2023, 157-166. doi: 10.21608/edj.2022.162826.2272
medhat, A., Elzeiny, M., Fathy, I. (2023). 'A survey on the occlusal Morphology of premolars in a sample of Egyptian Population', Egyptian Dental Journal, 69(1), pp. 157-166. doi: 10.21608/edj.2022.162826.2272
medhat, A., Elzeiny, M., Fathy, I. A survey on the occlusal Morphology of premolars in a sample of Egyptian Population. Egyptian Dental Journal, 2023; 69(1): 157-166. doi: 10.21608/edj.2022.162826.2272

A survey on the occlusal Morphology of premolars in a sample of Egyptian Population

Article 2, Volume 69, Issue 1 - Serial Number 3, January 2023, Page 157-166  XML PDF (1.39 MB)
Document Type: Original Article
DOI: 10.21608/edj.2022.162826.2272
Authors
alaa medhatorcid 1; medhat Elzeinyorcid 2; Iman Fathy email orcid 3
1Student in Department of Oral Biology, Faculty of Dentistry, Ain-Shams University, Cairo, Egypt.
2Professor in Department of Oral Biology, Faculty of Dentistry, Ain-Shams University, Cairo, Egypt
3Lecturer Department of Oral Biology, Faculty of Dentistry, Ain-Shams University, Cairo, Egypt.
Abstract
Any major or minor differences of dental morphology among populations have a significant impact on anthropological, forensic research and dentists as well. Hence in this study we aimed at surveying various presented external morphologies of maxillary and mandibular premolars in an Egyptian population sample, regarding the analysis of occlusal pattern and occlusal outline. Two hundred healthy premolars were collected from archived teeth, fifty of each type of premolars. Then classified according to Arizona State University-Dento-anthropological System (ASUDAS) for occlusal pattern and traced for occlusal outline. We found that few accessory cusps were observed in surveyed maxillary premolars. However, an accessory lingual cusp was detected among some of the surveyed teeth in mandibular premolars. Different occlusal outlines were recorded and tabulated. Therefore, it was concluded that Presence of mesial accessory cusp had a higher prevalence in maxillary first premolar, while Two lingual cusps in mandibular second premolars were the most common. Regarding occlusal outline the hexagonal outline was dominating in upper first premolar while the oval was dominating in upper second. for lower premolars, the lower first premolars were diamond and the lower second premolars were rounded and square.
Keywords
occlusal morphology; premolars; occlusal outline; ASUDAS classification; accessory cusp
Main Subjects
Oral Biology
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