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Anatomical study of the location of the antilingula, lingula, and mandibular foramen for vertical ramus osteotomy.

Authors
 Jin Hoo Park  ;  Hwi-Dong Jung  ;  Hyung Jun Kim  ;  Young-Soo Jung 
Citation
 Maxillofacial Plastic and Reconstructive Surgery, Vol.40 : 15, 2018 
Journal Title
Maxillofacial Plastic and Reconstructive Surgery
ISSN
 2288-8101 
Issue Date
2018
Keywords
Antilingula ; Lingula ; Mandibular foramen ; Vertical ramus osteotomy
Abstract
Background:

The purpose of this study was to identify the location of the antilingula, lingula, and mandibular foramen in Korean cadavers and to promote safe and accurate surgery without damage to the inferior alveolar neurovascular bundle (IANB) when performing a vertical ramus osteotomy (VRO).

Methods:

This study was conducted on the dried mandibles of 20 adult cadavers. Digital calipers were used to measure the distances from the anatomical reference points (antilingula, lingula, and mandibular foramen).

Result:

The antilingula was located at the anterior 44% and superior 31% in the ramus. The lingula was located at the anterior 55% and superior 30% in the ramus. The mandibular foramen was located at the anterior 58% and superior 46% in the ramus. Regarding the positional relationship with the antilingula, the lingula was located 0.54 mm superior and 4.19 mm posterior, and the mandibular foramen was located 6.95 mm inferior and 4.98 mm posterior. The results suggested that in order to prevent damage to the IANB, osteotomy should be performed in the posterior region of ramus at least 29% of the total horizontal length of the ramus.

Conclusion:

Using only the antilingula as a reference point is not guaranteed to IANB injury. However, it is still important as a helpful reference point for the surgeon in the surgical field.
Files in This Item:
T201804052.pdf Download
DOI
10.1186/s40902-018-0155-3
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyung Jun(김형준) ORCID logo https://orcid.org/0000-0001-8247-4004
Park, Jin Hoo(박진후) ORCID logo https://orcid.org/0000-0003-2337-9554
Jung, Young Soo(정영수) ORCID logo https://orcid.org/0000-0001-5831-6508
Jung, Hwi Dong(정휘동) ORCID logo https://orcid.org/0000-0003-1025-8323
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/165466
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