Volume 6 Issue 7 (July, 2018)

Review Articles

Variation in Anatomical Position of Lingula in relation to Ramus Osteotomy assessed by Cone Beam Computed Tomography (CBCT): A Systematic Review
Nilesh Khandelwal, Deepak Kulkarni, Lakshmi Shetty, Ratna Deepika Sheshagiri, Nishtha Gadkari, Ratima Chopra

Dentofacial deformities can occur in both maxilla and mandible. The available treatment modality for treating such cases is Bilateral Sagittal Split Ramus Osteotomy (BSSO) in case of mandibular deformities. Identification of position of lingula plays a key role while placing medial cut to prevent damage to inferior alveolar nerve during BSSO. Various diagnostic aids are available to identify the position of lingula. This systematic review sought scientific evidence regarding the best available diagnostic aid which may be considered gold standard. A systematic search of the PubMed/MEDLINE, Elsevier/Scopus, and Cochrane Library databases was conducted to include articles published from 1st January 2000 up to May 2017. Following the application of inclusion criteria, 6 articles were selected for detailed analysis. These studies included a total of 861 patients (mean age 25 years), with higher prevalence of females. There is significant variation in position of lingula when compared in males and females with varying skeletal patterns. In conclusion, use of CBCT in identification of position of lingula can be considered as a gold standard diagnostic aid prior to BSSO. Key words: Mandibular lingula, Cone Beam Computed Tomography. Sagittal split ramus osteotomy, Mandibular foramen.

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