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Assessment of prevalence and position of mandibular incisive canal: A cone beam computed tomography study

 Department of Oral Medicine and Radiology, Raja Rajeswari Dental College and Hospital, Bengaluru, Karnataka, India

Correspondence Address:
Reema Talat Ayesha,
Department of Oral Medicine and Radiology, Raja Rajeswari Dental College and Hospital, Mysore Road, Ramohalli Cross, Bengaluru - 560 074, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/tcmj.tcmj_76_19

Objectives: To avoid anatomical and functional damage to mandibular interforaminal region during surgeries, it is necessary to detect the existence of mandibular incisive canal (MIC) and its proximity to adjacent structures. This study was aimed to evaluate the prevalence of MIC and its proximity to adjacent structures among Indian population. Materials and Methods: The images of 80 subjects with the age range of 20–60 years who had undergone cone beam computed tomography examination of the mandible were retrieved from the archival records. There was equal distribution of males and females. Results: The prevalence of MIC in the current study sample was found to be 43.89% with a slightly higher prevalence on left side as compared to right side, and higher prevalence among females as compared to males. Among different age groups, there was an increased incidence in the age group of >50 years. The distance of MIC from labial and lingual cortical plates and lower border of mandible were 4.338 ± 1.478 mm, 4.34 ± 1.53 mm and 9.417 ± 1.832 mm respectively. Conclusions: To conclude, the prevalence of MIC among Indian population was lower as compared to the prevalence among other populations. There were variations in prevalence in terms of age, gender and laterality, which could be used as a reference for further studies conducted on larger sample size. Mapping the incisive nerve canal will enable oral radiologists, to plan safely and negotiate the interforaminal region.

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