Mercuri L G
Department of Dentistry and Oral and Maxillofacial Surgery, Humana Hospital-Michael Reese, Chicago, Ill.
Oral Surg Oral Med Oral Pathol. 1992 Aug;74(2):137-42. doi: 10.1016/0030-4220(92)90371-v.
Temporomandibular joint alloplastic fossa replacements have always been difficult to stabilize because of the variability of the anatomy in the area both in normal and especially in pathologic states. Total joint reconstruction and stabilization in orthopedic surgery have been aided by the use of methylmethacrylate, which is used both as a cementing substance and as a filler material when there are voids between the implant and the basilar bone. The concept of the use of a filler material to aid in the stabilization of the alloplastic temporomandibular joint fossa is attractive, but of concern because of the exothermic reaction this material undergoes as it sets in proximity to the middle cranial fossa. This study was designed to measure the temperature gradient that exists in such a procedure when used with cadaver specimens. The results indicate that the heat of reaction was not significantly transmitted intracranially in the cadavers studied. However, I recommend care in the use of this material for this purpose with patients.
由于该区域在正常状态下尤其是病理状态下解剖结构的变异性，颞下颌关节异体骨窝置换一直难以实现稳定。整形外科手术中的全关节重建和稳定借助了甲基丙烯酸甲酯，当植入物与基底骨之间存在空隙时，它既用作粘结物质，也用作填充材料。使用填充材料来辅助异体颞下颌关节窝稳定的概念很有吸引力，但令人担忧的是，这种材料在靠近中颅窝凝固时会发生放热反应。本研究旨在测量在使用尸体标本进行该手术时存在的温度梯度。结果表明，在研究的尸体中，反应热并未显著传入颅内。然而，我建议在对患者使用这种材料时要谨慎。
