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Topography of the lingual foramen using micro-computed tomography for improving safety during implant placement of anterior mandibular region

Authors
 Da-Yae Choi  ;  Yong-Je Woo  ;  Sung-Yoon Won  ;  Da-Hye Kim  ;  Hee-Jin Kim  ;  Kyung-Seok Hu 
Citation
 Journal of Craniofacial Surgery, Vol.24(4) : 1403-1407, 2013 
Journal Title
 Journal of Craniofacial Surgery 
ISSN
 1049-2275 
Issue Date
2013
Abstract
The aim of this study was to determine the location and size of the lingual foramina and the course of their canals using micro-computed tomography. Twenty Korean mandibles were scanned using a micro-computed tomography system and reconstructed three-dimensionally to enable observation of the lingual foramina and their canals. Four mandibles (20%) had a single foramen at the lingual side of the mandibular midline, 8 mandibles (40%) had 2 foramina, and 5 mandibles (25%) had 3 foramina. Three mandibles (15%) had 4 small foramina with short canals. The foramina were classified as either superior lingual foramina or inferior lingual foramina according to their vertical location relative to the mental spine. The diameters of superior lingual foramina and inferior lingual foramina were 0.75 ± 0.36 and 0.73 ± 0.38 mm (mean ± SD), respectively. The distances from the inferior border of the mandible to superior lingual foramina and inferior lingual foramina were 12.58 ± 2.49 and 6.43 ± 3.08 mm, respectively. Ten canals (21%) traveled upward to the labial side, 24 canals (51%) downward, and 13 canals (28%) parallel to it. Ten mandibles (50%) had lateral foramina.With regard to implant surgery of the anterior mandibular region, the most hazardous zones for lingual foramina are 0 to 2 mm from the midline, the upper 3 to 17 mm from the inferior border of the mandible, and the anterior 0 to 7 mm from the lingual side. Careful preoperative planning taking into account the anatomical location of these foramina might help to avoid complications due to damage to the foramina, their canals, and their contents.
Full Text
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&AN=00001665-201307000-00087&LSLINK=80&D=ovft
DOI
10.1097/SCS.0b013e31828b75da
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hee Jin(김희진) ORCID logo https://orcid.org/0000-0002-1139-6261
Choi, Da Yae(최다예)
Hu, Kyung Seok(허경석) ORCID logo https://orcid.org/0000-0002-9048-3805
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/87099
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