The Comparison of Symphysis Morphology in Normodivergent Patients of Short and Normal Mandible

Comparison of Symphysis Morphology

Authors

  • Erum Behroz Khan Orthodontics Department, Sindh Institute of Oral Health Science, Jinnah Sindh Medical University Karachi, Pakistan
  • Hunny Kumari Orthodontics Department, Sindh Institute of Oral Health Science, Jinnah Sindh Medical University Karachi, Pakistan
  • Ayesha Bibi Orthodontics Department, Sindh Institute of Oral Health Science, Jinnah Sindh Medical University Karachi, Pakistan
  • Danish Ali Mottani Orthodontics Department, Sindh Institute of Oral Health Science, Jinnah Sindh Medical University Karachi, Pakistan
  • Sarvaich Kumar Orthodontics Department, Sindh Institute of Oral Health Science, Jinnah Sindh Medical University Karachi, Pakistan

Keywords:

Symphysis, morphy, orthodontics, mandible

Abstract

Objective: To compare the morphological symphysis in normodivergent patients of short and normal mandible
attending outpatient department of large public sector dental hospital of Karachi, Pakistan.
Methods: This was a prospective observational study that was carried out at the outpatient department of the orthodontics, Sindh Institute of Oral Health Sciences, from June-2020 to December-2020. The study included 70 (35 in each group) patients with a normal angle MMA over the range of 25.5° ± 5.3°. McNamara analysis has been carried out including all the patients and dividing into two group's i.e., normal mandible and short mandible. On cephalogram, perpendicular distance from Pog to B-Me line, angle symphysis vertical dimension (B-B1-Gn), and angle symphysis convexity (B-Pog-Me), were measured for all patients. 

Results: Of 70 patients, there were 24 (34.3%) males and 46 (65.7) females. Patients were equally divided into two groups, i.e., short 35 (50.0%) and normal mandible 35 (50.0%). The mean angle of symphysis convexity, symphysis vertical dimension, and anterior prominence of symphysis of participants were 124.6 ± 42.8, 49.9 ± 4.7, and 4.1 ± 1.1 respectively. Patients of short mandibular were found significantly higher in symphysis convexity as compared to patients of normal mandibular, i.e., 136.54 ± 3.55 and 112.74 ± 58.53 respectively, (p- value= 0.022).

Conclusion: Symphysis convexity was found greater in short mandible patients showing that in short mandible
patients, symphysis was flatter anteriorly, less convex, and less prominent.

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Author Biographies

Erum Behroz Khan, Orthodontics Department, Sindh Institute of Oral Health Science, Jinnah Sindh Medical University Karachi, Pakistan

Orthodontics

Hunny Kumari, Orthodontics Department, Sindh Institute of Oral Health Science, Jinnah Sindh Medical University Karachi, Pakistan

Orthodontic

Danish Ali Mottani, Orthodontics Department, Sindh Institute of Oral Health Science, Jinnah Sindh Medical University Karachi, Pakistan

Orthodontic

Sarvaich Kumar, Orthodontics Department, Sindh Institute of Oral Health Science, Jinnah Sindh Medical University Karachi, Pakistan

Orthodontics

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Published

2021-04-06 — Updated on 2022-01-15

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How to Cite

Khan, E. B., Kumari, H., Bibi, A., Mottani, D. A., & Kumar, S. (2022). The Comparison of Symphysis Morphology in Normodivergent Patients of Short and Normal Mandible: Comparison of Symphysis Morphology. Journal of the Dow University of Health Sciences (JDUHS), 15(1), 35–40. Retrieved from https://jduhs.jduhs.duhs.edu.pk/index.php/jduhs/article/view/1103 (Original work published April 6, 2021)

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