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The Application of "Bone Window" Technique in Endodontic Microsurgery

Authors
 Su-Min Lee  ;  Ya-Hsin Yu  ;  Yu Wang  ;  Euiseong Kim  ;  Syngcuk Kim 
Citation
 JOURNAL OF ENDODONTICS, Vol.46(6) : 872-880, 2020-06 
Journal Title
 JOURNAL OF ENDODONTICS 
ISSN
 0099-2399 
Issue Date
2020-06
Keywords
Bony window ; cone beam computed tomography ; endodontic microsurgery ; graft ; outcome assessment ; piezoelectric surgery
Abstract
Endodontic microsurgery for a tooth with a large periapical lesion and an intact cortical plate may necessitate the removal of extra bone and cause delayed or unfavorable healing. In such cases, the "bone window" technique offers excellent exposure to the operative field and preserves cortical bone without placing any additional graft material. In the reported cases, root-end surgery was performed on the maxillary and mandibular molars with a large periapical lesion. The bone window was fashioned with the aid of thin osteotomy instruments and repositioned to the original site at the end of the procedure, which resulted in minimizing bone loss and acted as an autologous graft for the surgical site. At 12- and 16-month follow-ups, clinical examinations and cone-beam computed tomographic scans revealed the healing of the lesion without symptoms or complications. Cone-beam computed tomographic imaging was used as a presurgical assessment tool for indication selection and precise design of the bone window. The use of a bone window in endodontic microsurgery, which appears to be a reliable technique, should be the method of preference when the large lesion is deeply positioned between intact buccal and lingual cortices.
Full Text
https://www.sciencedirect.com/science/article/pii/S0099239920301461
DOI
10.1016/j.joen.2020.02.009
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Eui Seong(김의성) ORCID logo https://orcid.org/0000-0003-2126-4761
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179423
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