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

 Jin Hoo Park  ;  Hwi-Dong Jung  ;  Hyung Jun Kim  ;  Young-Soo Jung 
 Maxillofacial Plastic and Reconstructive Surgery, Vol.40 : 15, 2018 
Journal Title
 Maxillofacial Plastic and Reconstructive Surgery 
Issue Date
Antilingula ; Lingula ; Mandibular foramen ; Vertical ramus osteotomy
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.
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Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
Yonsei Authors
김형준(Kim, Hyung Jun) ORCID logo https://orcid.org/0000-0001-8247-4004
박진후(Park, Jin Hoo) ORCID logo https://orcid.org/0000-0003-2337-9554
정영수(Jung, Young Soo) ORCID logo https://orcid.org/0000-0001-5831-6508
정휘동(Jung, Hwi Dong) ORCID logo https://orcid.org/0000-0003-1025-8323
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