HUSCAP logo Hokkaido Univ. logo

Hokkaido University Collection of Scholarly and Academic Papers >
Societies >
北海道歯学雑誌 >
第43巻 >


Files in This Item:
43_12.pdf2.79 MBPDFView/Open
Please use this identifier to cite or link to this item:

Title: 感染を契機に発見された筋突起に埋伏する含歯性嚢胞を伴う智歯の1例
Other Titles: Case study of an impacted lower third molar with a dentigerous cyst in the coronoid process found during the infection
Authors: 関口, 珠希1 Browse this author
松下, 和裕2 Browse this author →KAKEN DB
柏原, みゆき3 Browse this author
笠原, 和恵4 Browse this author →KAKEN DB
堀川, 雅昭5 Browse this author
Authors(alt): Sekiguchi, Tamaki1
Matsushita, Kazuhiro2
Kashiwabara, Miyuki3
Kasahara, Kazue4
Horikawa, Masaaki5
Authors(alt): 山田, 珠希1
Yamada, Tamaki1
Keywords: 筋突起
coronoid process
impacted lower third molar
dentigerous cyst
Issue Date: 15-Sep-2022
Publisher: 北海道歯学会
Journal Title: 北海道歯学雑誌
Volume: 43
Start Page: 76
End Page: 82
Abstract: 埋伏智歯が本来の位置から遠く離れ,それが下顎枝最上方の筋突起に位置することは非常にまれである.今回われわれは筋突起に埋伏した含歯性嚢胞を伴う智歯の1 例を経験したので報告する. 患者は72歳,男性.2021年5 月に左側耳下腺咬筋部の腫脹と疼痛を自覚し,近在歯科を受診した.症状が悪化傾向であったため,当院を紹介受診した.初診時の口腔外所見では左側耳下腺咬筋部の腫脹,疼痛と重度の開口障害を認めた.口腔内所見では開口障害により視認は困難であったが,左側頬粘膜に浮腫性の腫脹を認めた.画像検査では筋突起内に逆性埋伏智歯とその周囲に嚢胞様透過像を認め,それら周囲の軟組織の肥厚を認めた.血液検査所見では炎症反応を認めた.埋伏智歯ならびに嚢胞様病変への感染と診断し,抗菌薬による消炎を行った.消炎後,全身麻酔下で埋伏智歯抜歯ならびに嚢胞摘出を施行した.病理組織学的診断は含歯性嚢胞が考えられた.現在,術後6 か月を経過しているが,問題なく経過している.
It is extremely rare that impacted third molar teeth move distantly from their original position and are located in the coronoid process. In this case study, an impacted third molar tooth with a dentigerous cyst in the coronoid process is reported. The patient was a 72-year-old man. He noticed swelling and pain in the region of the left parotid-masseteric and visited his regular dentist. He was referred to our hospital because his symptoms gradually worsened. A clinical examination revealed severe swelling and pain in the region of the left parotid-masseteric, trismus, and edematous swelling in the buccal mucosa. A computed tomography scan showed a cyst-like transmission image surrounding the reverse impacted third molar tooth within the c oronoid process. A severe inflammatory response was revealed through a blood examination. An infection to the impacted third molar tooth and cyst-like lesion was diagnosed and treated with antibiotics. After the inflammation reduced, the impacted third molar tooth extraction and cyst enucleation was performed under general anesthesia. A histopathological examination showed a dentigerous cyst. Six months after the operation, the postoperative healing process was positive.
Type: article
Appears in Collections:北海道歯学雑誌 > 第43巻

Export metadata:

OAI-PMH ( junii2 , jpcoar_1.0 )

MathJax is now OFF:


 - Hokkaido University