Angiography of the temporomandibular joint ; arterial blood supply to the mandibular condyle via the surrounding soft tissue

颞下颌关节血管造影；

• 批准号: 06671881
• 负责人: TAKAHASHI Akira
• 金额: $ 1.34万
• 依托单位: The University of Tokushima
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1994
• 资助国家: 日本
• 起止时间: 1994 至 1995
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-06671881/
• 关键词: Temporomandibular Joint; Angiography; Avascular necrosis

Rhesus monkey sacrificed in other experimental studies were collected and angiography of the branches of the external carotid artery was performed. In the pilot study, positions of some branches including maxillary, superficial temporal, facial and lingual arteries were found to be identical to those of human.Maxillary arteries of the 3 sides and superficial temporal arteries of the other 3 sides were dissected and connected to the outer sheath of 21 "intravenous catheter.These branches were confirmed by injecting water soluble contrast medium (Urografin 76%) via the catheter under fluoroscopy. Every inferior alveolar artery was dissected intraorally and ligated at mandibular foramen prior to injection. Silicone rubber injection compounds (Microfil, radiopaque and blue dye-containing material) were then injected. After the compounds cured, the specimens were frozen in liquid nitrogen and sectioned midsagittaly with a bandsaw. Radiographs were taken and the existence of the blood vessels to mandibular condyle from the surrounding soft tissue was explored. Specimens were then sectioned coronally at the level of condyle about 1cm thick and injection of the dye into the condyle was examined.There was no obvious blood vessels that supply the condyle from surrounding soft tissue and the dye did not entered into the condyle from maxillary or superficial temporal arteries. The result indicates that the arterial blood might be supplied to the condyle solely from inferior alveolar artery via adjacent bone marrow of the mandible. The hypothesis that internal derangement causes lack of blood supply and avascular necrosis of the mandibular condyle should be inconsistent.

收集在其他实验研究中被处死的恒河猴，进行颈外动脉分支的血管造影。在初步研究中，发现上颌动脉、颞浅动脉、面动脉和舌动脉的位置与人的位置一致，解剖出3侧上颌动脉和3侧颞浅动脉，连接到21“静脉导管的外鞘，在透视下经导管注入水溶性造影剂(76%优降糖)确认这些分支。注射前于口内分离下牙槽动脉，在下颌孔处结扎。然后注射硅橡胶注射用化合物(美菲尔、不透射线和含蓝色染料的材料)。在化合物固化后，将标本冷冻在液氮中，并用带锯在正中矢状面切开。拍摄X线片，探查周围软组织中是否有血管通向下颌骨髁状突。标本在约1 cm厚的髁状突水平上进行冠状切片，观察其向髁状突内注入的情况，未见有明显的血管从周围软组织供应，染料未从上颌动脉或颞浅动脉进入髁状突内。结果表明，下颌骨的动脉血可能仅由下牙槽动脉通过邻近的下颌骨骨髓供血。认为下颌骨内部紊乱导致下颌骨缺乏血液供应和股骨头缺血性坏死的假说应该是不一致的。

项目成果

荊木 理恵子: "関節円板前方転位のMR画像所見と臨床症状との関連に関する研究" 補綴歯科学会雑誌. 38. 138-143 (1994)

Rieko Aiki：“椎间盘前移的 MR 图像表现与临床症状之间的关系研究”修复牙学会杂志 38. 138-143 (1994)。

高橋章: "Joint effusionのMRによる診断" 映像情報Medical. 28. 63-68 (1996)

Akira Takahashi：“MR 诊断关节积液”图像信息医学。28. 63-68 (1996)

Ritsuo TAKAGI: "Angiography of the Temporomandibular Joint-Description of an Expermental Technique with Initial Results" Oral Surg Oral Med Oral Pathol. 78. 539-543 (1994)

Ritsuo TAKAGI：“颞下颌关节血管造影 - 具有初步结果的实验​​技术描述”口腔外科口腔医学口腔病理。

荊木理恵子: "関節円板前方転位のMR画像所見と臨床症状の関連性に関する研究" 日本補綴歯科学会雑誌. 38. 138-143 (1994)

Rieko Aiki：“MR 图像表现与椎间盘前移临床症状之间的关系的研究”日本修复医学会杂志 38. 138-143 (1994)。

高橋 章: "Joint effusionのMRによる診断" 映像情報Medical. 28. 63-68 (1996)

Akira Takahashi：“MR 诊断关节积液”图像信息医学。28. 63-68 (1996)