Assessment of Dentofacial structures in transverse plane in individuals with long face

MS Ravi; B Rajendra Prasad; V Srinivas Prasad; BM Vijayalakshmi; Shine Benny

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ORIGINAL RESEARCH

Year : 2013 | Volume : 4 | Issue : 1 | Page : 845-854

Assessment of Dentofacial structures in transverse plane in individuals with long face

MS Ravi¹, B Rajendra Prasad², V Srinivas Prasad³, BM Vijayalakshmi⁴, Shine Benny⁵
¹ Professor, Dept. of Orthodontics, A. B. Shetty Memorial Institute of Dental Sciences, Nitte University, Mangalore, Karnataka, India
² Dean, Dept. of Orthodontics, A. B. Shetty Memorial Institute of Dental Sciences, Nitte University, Mangalore, Karnataka, India
³ Associate Professor, Govt. Dental College, Bangalore, Karnataka, India
⁴ Senior Lecturer, Dept. of Orthodontics, PMN Memorial Dental College, Bagalkot, Karnataka, India
⁵ PG Student, Dept. of Orthodontics, A. B. Shetty Memorial Institute of Dental Sciences, Nitte University, Mangalore, Karnataka, India

Correspondence Address:
M S Ravi
Professor, Dept. of Orthodontics, A. B. Shetty Memorial Institute of Dental Sciences, Nitte University, Mangalore, Karnataka
India

Source of Support: None, Conflict of Interest: None

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Background and Aim: Vertical growth pattern include increased total facial height, especially the lower facial height, high mandibular plane angle, clockwise mandibular rotation, short mandibular ramus and high gonial angle. Vertical facial patterns might play a strong role in the transverse growth of the maxilla and the mandible. Hence this study was planned and designed for the assessment of dento-alveolar and skeletal asymmetries in long face individuals. Materials and methods: Total of 60 individuals (30 males and 30 females) with vertical growth pattern (Y-axis more than 60° and Jarabak's ratio less than 56 %) were considered for the study. Lateral cephalogram, frontal cephalogram and study casts were made. 16 cephalometric measurements and 6 dental cast measurements were made for evaluation. The data obtained was statistically evaluated using Student's t-test. Results: All the cephalometric values showed right side dominance. In males, the values of Co-Me, Co-MSR and gonial angle showed statistically significant difference. In females the value of Me-MSR and Lower dental arch midline showed statistically significant. All the values of arch chords (dental cast measurements) suggested left side dominance both in males and females except Mandibular 1-3 chord which suggested right side dominance. Conclusion: Dento-alveolar and facial asymmetry with right side dominance exist in individuals with long face. The mandible is found to be more asymmetric than maxilla.

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Dental and Facial asymmetry; Frontal cephalometrics; Transverse dimension

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