Presence of antilingula and its relationship to mandibular foramen-An anatomical study.

National journal of maxillofacial surgery Pub Date : 2024-05-01 Epub Date: 2024-07-24 DOI:10.4103/njms.njms_18_23
Satnam S Jolly, Jeevan Lata, Ravi K Sharma, Ruchi Vashist
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Abstract

Aim: Aim of this study was to evaluate the presence of antilingula and its relationship with mandibular foramen.

Materials and methods: In this study, a total of 50 specimens of dry human hemi-mandibles were studied to analyze the presence and relationship of antilingula to mandibular foramen. A 1-mm fissure bur was used to drill a hole perpendicular to bone from the deepest aspect of the concavity at the center of the mandibular foramen from the medial to lateral side, the drill perforated both the medial and lateral cortex of the mandible. The distance from the antilingula to hole was measured and recorded in both antero-posterior and supero-inferior planes. The data were collected and put to statistical analysis.

Results: From this study, it was concluded that the antilingula was present in 90% (n = 45) of mandibles and was absent in 10% (n = 5) of mandibles. Antero-posteriorly, the antilingula was present anterior to mandibular foramen in 22.2% (n = 10) of mandibles, posteriorly in 57.7% (n = 26) of mandibles, and there was complete concordance in 20% (n = 9) of mandibles. The supero-inferior relation shows that antilingula was present superior to mandibular foramen in 97.8% (n = 44) of mandibles, and it was present inferiorly in 2.20 (n = 1) of mandibles.

Conclusion: Although vertical ramus osteotomy is not a commonly used procedure in these days. From our study, it was concluded that antilingula was present as an elevation in 90% of cases on the lateral ramus border and the mandibular foramen is present inferior and anterior to the antilingula.

反龈沟的存在及其与下颌孔的关系--解剖学研究。
目的:本研究旨在评估反龈沟的存在及其与下颌孔的关系:本研究共研究了 50 个干燥的人类半下颌骨标本,以分析反龈沟的存在及其与下颌孔的关系。用 1 毫米的裂隙钻头从下颌孔中心凹陷的最深处从内侧向外侧钻一个垂直于骨的孔,钻头穿透下颌骨的内侧和外侧皮质。在前后和上下两个平面上测量并记录从椎弓根到钻孔的距离。收集数据并进行统计分析:研究得出结论:90%的下颌骨(n = 45)存在椎弓根,10%的下颌骨(n = 5)不存在椎弓根。从前后关系来看,22.2%(10 例)的下颌骨在下颌孔前方存在反龈沟,57.7%(26 例)的下颌骨在后方存在反龈沟,20%(9 例)的下颌骨反龈沟完全一致。上-下关系显示,97.8%(n = 44)的下颌骨椎弓根在下颌孔上方,2.20(n = 1)的下颌骨椎弓根在下颌孔下方:尽管垂直颌骨截骨术在当今并不常用。我们的研究得出结论:90%的病例中,茎突外侧边界上的茎突前隆起,下颌孔位于茎突前隆起的下方和前方。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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