Computed Tomography–Based Custom Cutting Guide Enables Safe Buccal Corticotomy in the Presence of a Buccal Neurovascular Bundle

Takeshita, Akinori; Katsura, Sho; Morita, Yoshihiro; Uzawa, Narikazu

doi:https://doi.org/10.1016/j.joms.2026.02.008

Computed Tomography–Based Custom Cutting Guide Enables Safe Buccal Corticotomy in the Presence of a Buccal Neurovascular Bundle

Takeshita, Akinori; Katsura, Sho; Morita, Yoshihiro et al.

Journal of Oral and Maxillofacial Surgery, 2026

アクセス数:497件（2026-10-30 21:33 集計）

固定URL: https://hdl.handle.net/11094/104563

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タイトル	Computed Tomography–Based Custom Cutting Guide Enables Safe Buccal Corticotomy in the Presence of a Buccal Neurovascular Bundle
著者	NRID 1000080899005 1000080899005 researchmap permalink oralsurg2 oralsurg2 Scopus Author ID 55995076600 55995076600 著者名 Takeshita, Akinori
	著者名 Katsura, Sho
	NRID 1000030590517 1000030590517 ORCID 0000-0002-5512-1534 0000-0002-5512-1534 researchmap permalink yoshi197 yoshi197 Scopus Author ID 16069264600 16069264600 著者名 Morita, Yoshihiro
	NRID 1000030345285 1000030345285 ORCID 0000-0001-5390-6875 0000-0001-5390-6875 researchmap permalink read0212957 read0212957 Scopus Author ID 6603144046 6603144046 著者名 Uzawa, Narikazu
内容	Takeshita A., Katsura S., Morita Y., et al. Computed Tomography–Based Custom Cutting Guide Enables Safe Buccal Corticotomy in the Presence of a Buccal Neurovascular Bundle. Journal of Oral and Maxillofacial Surgery , (2026); https://doi.org/10.1016/j.joms.2026.02.008.
抄録	Conventional extraction of deeply impacted mandibular teeth often requires extensive bone removal, increasing the risk of nerve injury when the neurovascular bundle is positioned buccally. Although buccal corticotomy can enhance access and visibility, it is typically contraindicated in such cases due to the high risk of nerve damage. We present the successful extraction of a deeply impacted mandibular third molar with a buccally positioned inferior alveolar neurovascular bundle using a computed tomography–based custom cutting guide. This guide enabled precise buccal corticotomy, avoided nerve injury, and preserved mandibular integrity by allowing cortical bone repositioning. To our knowledge, this is the first report of a computed tomography–guided buccal corticotomy in a case with a buccal neurovascular bundle. This approach may safely expand the indications for buccal corticotomy in anatomically high-risk cases.
出版者	W.B. Saunders
収録物名	Journal of Oral and Maxillofacial Surgery
刊行年月	2026-02-16
言語	英語
ハンドルURL	https://hdl.handle.net/11094/104563
PISSN	02782391
eISSN	15315053
関連情報 (isVersionOf)	DOI (出版社版) https://doi.org/10.1016/j.joms.2026.02.008
アクセス権	embargoed access
権利情報	© 2026. This manuscript version is made available under the CC-BY-NC-ND 4.0 license.
権利情報	The full-text file will be made open to the public on 16 February 2027 in accordance with the publisher's policy.
出版タイプ	Accepted Manuscript
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Journal of Oral and Maxillofacial Surgery. 2026
DC.title	Computed Tomography–Based Custom Cutting Guide Enables Safe Buccal Corticotomy in the Presence of a Buccal Neurovascular Bundle
DC.creator	Takeshita, Akinori
	Katsura, Sho
	Morita, Yoshihiro
	Uzawa, Narikazu
DC.publisher	W.B. Saunders
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2026-02-16
DC.identifier	https://doi.org/10.1016/j.joms.2026.02.008
DC.description	Takeshita A., Katsura S., Morita Y., et al. Computed Tomography–Based Custom Cutting Guide Enables Safe Buccal Corticotomy in the Presence of a Buccal Neurovascular Bundle. Journal of Oral and Maxillofacial Surgery , (2026); https://doi.org/10.1016/j.joms.2026.02.008.
DCTERMS.abstract	Conventional extraction of deeply impacted mandibular teeth often requires extensive bone removal, increasing the risk of nerve injury when the neurovascular bundle is positioned buccally. Although buccal corticotomy can enhance access and visibility, it is typically contraindicated in such cases due to the high risk of nerve damage. We present the successful extraction of a deeply impacted mandibular third molar with a buccally positioned inferior alveolar neurovascular bundle using a computed tomography–based custom cutting guide. This guide enabled precise buccal corticotomy, avoided nerve injury, and preserved mandibular integrity by allowing cortical bone repositioning. To our knowledge, this is the first report of a computed tomography–guided buccal corticotomy in a case with a buccal neurovascular bundle. This approach may safely expand the indications for buccal corticotomy in anatomically high-risk cases.
DC.rights	© 2026. This manuscript version is made available under the CC-BY-NC-ND 4.0 license.
DC.rights	The full-text file will be made open to the public on 16 February 2027 in accordance with the publisher's policy.
DC.format	104563
citation_title	Computed Tomography–Based Custom Cutting Guide Enables Safe Buccal Corticotomy in the Presence of a Buccal Neurovascular Bundle
citation_author	Takeshita, Akinori
	Katsura, Sho
	Morita, Yoshihiro
	Uzawa, Narikazu
citation_publisher	W.B. Saunders
citation_language	英語
citation_date	2026-02-16
citation_journal_title	Journal of Oral and Maxillofacial Surgery
citation_doi	https://doi.org/10.1016/j.joms.2026.02.008
citation_public_url	https://hdl.handle.net/11094/104563

Computed Tomography–Based Custom Cutting Guide Enables Safe Buccal Corticotomy in the Presence of a Buccal Neurovascular Bundle

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