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Year : 2023  |  Volume : 12  |  Issue : 1  |  Page : 54

Lingual frenulum length: A prospecting link to craniofacial morphology in adults

1 Department of Orthodontics and Dentofacial Orthopaedics, Rama Dental College, Hospital and Research Centre, Kanpur, Uttar Pradesh, India
2 Department of Orthodontics and Dentofacial Orthopaedics, Mithala Dental College and Hospital, Darbhanga, Bihar, India
3 Department of Orthodontics and Dentofacial Orthopaedics, Narsinhbhai Patel Dental College and Hospital, Ahmedabad, Gujarat, India
4 Private Practitioner, Kolkata, West Bengal, India

Correspondence Address:
Priya Biswas
Senior Lecturer, Department of Orthodontics and Dentofacial Orthopaedics, Rama Dental College, Hospital and Research Centre, Kanpur, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jos.jos_108_22

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OBJECTIVES: The aim of this study was to evaluate the correlation of the length of the lingual frenulum with the craniofacial morphology in adults. METHOD AND MATERIALS: The study comprised a total of 144 subjects, aged 18 to 28 years, divided into 3 groups (48 in each group), based on ANB angle i.e., Skeletal Class I, Skeletal Class II & Skeletal Class III. To measure the length of the lingual frenulum direct and indirect methods were used. A Lingual frenulum ruler was used for direct measurement and the differences between the maximum mouth opening reduction (MMOR) with and without the tip of the tongue touching the incisive papilla measurement were taken for the indirect method. A lateral cephalogram was collected from each subject and a cephalometric analysis was done to assess craniofacial morphology. Statistical analysis was done by ANOVA and the significance of the mean difference between (inter) the groups was done by Tukey's HSD (honestly significant difference) post hoc test after ascertaining normality by Shapiro-Wilk's test and homogeneity of variance between groups by Levene's test RESULTS: The lingual frenulum length and maximum mouth opening reduction were significantly increased in the Skeletal Class III subjects with a statistically significant value of P < 0.001 when compared with the Skeletal Class I and Skeletal Class II subjects. CONCLUSION: A balance in the teeth positioning is maintained by orofacial musculature and any disturbance which occurs in this, results in malocclusion. Malocclusion can result in a long lingual frenulum that pushes the mandibular anterior forwards. Hence, the malocclusion and lingual frenulum length relationship are essential to eliminate the erratic forces and to attain excellent results, following the elimination of malocclusion.

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