Variations in the Shape of the Coronoid Process in the Adult Human Mandible

Hossain, SM Akram; Hossain, SM Moshadeq; Banna, Fakhrul Amin Mohammad Hasanul

doi:10.3329/bja.v9i2.15275

Cited by 6 publications

(7 citation statements)

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“…The present study suggested that hooked shape was most commonly observed accounting for 59% of the total number of CPs, which was in accordance with the North Indian, West Indian, Northwestern Turkish and Bangladeshi population groups 11 , 22 – 24 . The triangular shape had a higher frequency in Southern Indian and Nepalese population 4 , 14 , whereas another study conducted in Western Turkish region found round shape to be more prevalent 5 .…”

Section: Discussionsupporting

confidence: 86%

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Morphological characteristics of coronoid process and revisiting definition of coronoid hyperplasia

Shujaat,

Politis,

Van Den Bogaert

et al. 2023

Sci Rep

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The aim of this study was to assess the morphological characteristics of the coronoid process (CP) and define coronoid hyperplasia (CH) using cadaveric mandibles of a Caucasian population. A sample of 151 adult dry cadaveric mandibles (302 CPs) was acquired. Three distances were measured, which included the width, height, and length of CP. The surface area measurements involved area A: above the width distance line; area B: between incisura mandibulae—Alveolar ridge line and width distance line; area C: between distance lines of width and height. Finally, angulations of the CP and gonial angles were identified. Both length and surface area A + B acted as hyperplastic indicators. Based on the selection criteria, a sample of 197 CPs was included. The hooked shape (59%) was most commonly observed. No significant difference existed between left and right sides (p > 0.05). The mean values of length and surface area A + B were 2.2 ± 0.3 cm and 3.3 ± 0.8 cm2, and any values above 2.7 cm (n = 5 CPs- 2.5%) and 5.0 cm2 (n = 9 CPs- 4.6%) were described as hyperplastic, respectively. The presented data could act as quantitative reference for differentiating between normal and hyperplastic conditions.

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Section: Discussionsupporting

confidence: 86%

“…Until now, morphological characteristics of CP have been mainly described for different Asian and Turkish population groups 3 – 5 . To our knowledge, no study is available presenting such data in a pure Caucasian population.…”

Section: Introductionmentioning

confidence: 99%

Morphological characteristics of coronoid process and revisiting definition of coronoid hyperplasia

Shujaat,

Politis,

Van Den Bogaert

et al. 2023

Sci Rep

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“…The variations in the shape of the coronoid process may serve as anthropological markers to evaluate various populations and races. The shape of the sigmoid notch is determined by the shape of the condylar process and the coronoid process [ 1 , 2 ]. Various legal and personal matters pertaining to an individual’s identity require the individual’s identification, including death certification.…”

Section: Introductionmentioning

confidence: 99%

Anatomical Variants of Condylar Process, Coronoid Process, and Sigmoid Notch in a Maharashtrian Population: A Radiographic Study

Mahapatra¹,

Hebbale²,

Mhapuskar³

et al. 2023

Cureus

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Background The cornerstone of an individual’s singularity is identification. Digital orthopantomography (OPG) helps to illustrate the varying condylar process, coronoid processes, and sigmoid notch found within a population to facilitate individual recognition. This study aims to assess the various shapes of the condylar process, coronoid process, and sigmoid notch found using OPG in a sample population of an Indian city. Methodology This retrospective, cross-sectional study was conducted using 1,000 good-quality digital OPG scans to evaluate the different shapes. The scans were evaluated by two experienced oral radiologists and tabulated for statistical analysis. Results The current investigation revealed varied morphological forms of the three entities, with the round shape being the most frequently observed condylar process, coronoid process, and sigmoid notch. Comparisons across sides and between sexes revealed differences in all three variables which were found to be statistically significant. We discovered a crooked finger condyle (58.56% on the left side and 41.44% on the right side), a beak-shaped coronoid process (50.0% on the left side and 50.0% on the right side), and a V-shaped sigmoid notch (41.35% on the left side and 58.65% on the right side) in this study. This is a unique finding not reported by other studies. Conclusions Analyzing the shape of the condylar process, coronoid process, and sigmoid notch found on an OPG scan can help with gender identification in forensic odontology and anthropology as these anatomical features show strong sexual dimorphism.

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“…We reported most common shape of coronoid process is triangular while round shape is least common, which is very much similar to findings of Issac B et al [5] , Khan TA et al [6] , Prajapati VP et al [3] , Nirmale et al [8] , Desai VC et al [9] , Sanmugam K. [11] & Kadam SD et al [12] . While Hossain SMA [7] & Mouna S et al [10] observed that hook shaped coronoid process was most commonly found. They reported triangular shaped coronoid process was second commonest type.…”

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confidence: 99%

A Morphological Study of Coronoid Process of Adult Human Dry Mandibles

Parveen¹

2018

jmscr

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Variations in the Shape of the Coronoid Process in the Adult Human Mandible

Abstract: DOI: http://dx.doi.org/10.3329/bja.v9i2.15275 Bangladesh Journal of Anatomy 2011 Vol.9(2) pp.75-78

Cited by 6 publications

References 2 publications

Morphological characteristics of coronoid process and revisiting definition of coronoid hyperplasia

Morphological characteristics of coronoid process and revisiting definition of coronoid hyperplasia

Anatomical Variants of Condylar Process, Coronoid Process, and Sigmoid Notch in a Maharashtrian Population: A Radiographic Study

A Morphological Study of Coronoid Process of Adult Human Dry Mandibles

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