THE POSITION OF HYOID BONE ON LATERAL CEPHALOGRAPHS IN VARIOUS VERTICAL FACIAL PATTERNS

Main Article Content

Ghazala
Shahab Adil
Zafar Ul Islam
Gulalai Jan
Sana Riaz
Lalina Taj

Abstract

Objective: To determine the position of hyoid bone on lateral cephalographs in various vertical facial patterns of orthodontic patients visiting Peshawar Dental College.


Methodology: This descriptive study was conducted at Department of Orthodontics, Peshawar Dental College. A total of 75 patients (46% male and 54% female) fulfilling the inclusion criteria were included through non-proba­bility purposive sampling technique. These patients were divided into three groups of 25 patients each on the basis of FMA and Y axis on lateral cephalographs. Six angular, seven horizontal and seven vertical linear measurements were measured to evaluate the position of hyoid bone with its associated structures in different facial heights.


Results: One way ANOVA and post hoc Bonferroni tests showed a statistically significant difference between hypodivergent and hyperdivergent patterns for angular measurement H axis-MP (p=0.021*) and vertical linear measurement H-MP (p=0.025*). In horizontal linear measurements, H-Pog has shown a statistically significant difference (p=0.023*) between normo-divergent and hyperdivergent facial patterns.


Conclusions: Hyoid bone is positioned more infero-anterior in hyperdivergent subjects and superior-posterior in hypodivergent cases. The hyoid bone is positioned anteriorly in hyperdivergent subjects.

Article Details

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1.
Ghazala, Shahab Adil, Zafar Ul Islam, Gulalai Jan, Sana Riaz, Lalina Taj. THE POSITION OF HYOID BONE ON LATERAL CEPHALOGRAPHS IN VARIOUS VERTICAL FACIAL PATTERNS. J Postgrad Med Inst [Internet]. 2023 Nov. 6 [cited 2024 May 29];37(4):269-73. Available from: https://jpmi.org.pk/index.php/jpmi/article/view/3208
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Original Article

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