Journal of Pierre Fauchard Academy (India Section)

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Relating Facial Asymmetry with Mandibular Morphometric Parameters: A CBCT Study


Affiliations
1 Department of Orthodontics and Dentofacial Orthopedics, Armed Forces Medical College, Pune – 411040, Maharashtra, India
2 Department of Oral and Maxillofcial Surgery, Armed Forces Medical College, Pune – 411040, Maharashtra, India
     

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Introduction: It is imperative to have a sound knowledge of causes and various aspects of facial asymmetry. Objectives: To evaluate asymmetry in the lower third of face, correlate the asymmetry with morphological features of the mandible, to correlate the dental and skeletal asymmetry in the mandible and to determine a correlation between these parameters and skeletal asymmetry at point menton using CBCT. Methods: Pre-treatment records of 15 patients (07 males and 08 females, aged 16.93 ± 2.19 years) with asymmetry of lower third of face due to unknown aetiology and chin deviated to right (Group A, study group) were compared with 15 patients (07 males and 08 females, aged 16.12 ± 2.06 years) presenting with no gross facial asymmetry (Group B, control group). Multiplanar Reformation view of CBCT data in sagittal plane was used to assess condylar height, ramus length and mandibular body length in both groups. Results: The mean condylar heights on both sides were similar in Group B (P-value > 0.05). The condylar height on right side in Group A was smaller compared to the left side condyles in both groups (P-value < 0.001). No significant difference was observed in mean ramus and body length between the 02 groups (P-value > 0.05). The skeletal midline deviation was higher compared to the dental midline deviation towards right in Group A (P-value < 0.001). Conclusion: Condylar height is an important factor responsible for asymmetry of the lower third of the face and deviation of chin in adolescent patients with asymmetry of unknown aetiology.


Keywords

CBCT, Condylar Height, Facial Asymmetry
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  • Relating Facial Asymmetry with Mandibular Morphometric Parameters: A CBCT Study

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Authors

Sanjeev Datana
Department of Orthodontics and Dentofacial Orthopedics, Armed Forces Medical College, Pune – 411040, Maharashtra, India
Shiv Shankar Agarwal
Department of Orthodontics and Dentofacial Orthopedics, Armed Forces Medical College, Pune – 411040, Maharashtra, India
S. K. Bhandari
Department of Oral and Maxillofcial Surgery, Armed Forces Medical College, Pune – 411040, Maharashtra, India
Deepak Chauhan
Department of Orthodontics and Dentofacial Orthopedics, Armed Forces Medical College, Pune – 411040, Maharashtra, India

Abstract


Introduction: It is imperative to have a sound knowledge of causes and various aspects of facial asymmetry. Objectives: To evaluate asymmetry in the lower third of face, correlate the asymmetry with morphological features of the mandible, to correlate the dental and skeletal asymmetry in the mandible and to determine a correlation between these parameters and skeletal asymmetry at point menton using CBCT. Methods: Pre-treatment records of 15 patients (07 males and 08 females, aged 16.93 ± 2.19 years) with asymmetry of lower third of face due to unknown aetiology and chin deviated to right (Group A, study group) were compared with 15 patients (07 males and 08 females, aged 16.12 ± 2.06 years) presenting with no gross facial asymmetry (Group B, control group). Multiplanar Reformation view of CBCT data in sagittal plane was used to assess condylar height, ramus length and mandibular body length in both groups. Results: The mean condylar heights on both sides were similar in Group B (P-value > 0.05). The condylar height on right side in Group A was smaller compared to the left side condyles in both groups (P-value < 0.001). No significant difference was observed in mean ramus and body length between the 02 groups (P-value > 0.05). The skeletal midline deviation was higher compared to the dental midline deviation towards right in Group A (P-value < 0.001). Conclusion: Condylar height is an important factor responsible for asymmetry of the lower third of the face and deviation of chin in adolescent patients with asymmetry of unknown aetiology.


Keywords


CBCT, Condylar Height, Facial Asymmetry

References





DOI: https://doi.org/10.18311/jpfa%2F2020%2F26024