Marunick M, Mathes B E, Klein B B, Seyedsadr M
Department of Otolaryngology, Wayne State University, Harper Hospital, Detroit, Mich.
J Prosthet Dent. 1992 Jun;67(6):835-8. doi: 10.1016/0022-3913(92)90596-3.
Surgical resection of a segment or loss of mandibular continuity can adversely affect most of the structures essential for maximum occlusal force. Five subjects who had partial mandibular resections for treatment of squamous cell carcinoma were studied. Occlusal force was recorded before and after cancer treatment and following prosthetic rehabilitation. A gnathodynamometer was used to record anterior occlusal force. Five edentulous and five dentate cancer-free subjects matched for age were studied to establish comparable normative data. The null hypothesis that partial mandibular resection would not affect maximum occlusal force was rejected (p = 0.0101). Mandibular resection did alter maximum occlusal force. The impact of the decrease in maximum occlusal force on masticatory function is yet to be determined.
下颌骨节段性手术切除或连续性丧失会对产生最大咬合力所需的大多数结构产生不利影响。对5例因治疗鳞状细胞癌而接受部分下颌骨切除术的患者进行了研究。记录了癌症治疗前后以及修复后义齿修复时的咬合力。使用咬力计记录前牙咬合力。对5名无牙颌和5名年龄匹配的无癌有牙颌受试者进行了研究，以建立可比的标准数据。部分下颌骨切除术不会影响最大咬合力这一无效假设被拒绝（p = 0.0101）。下颌骨切除术确实改变了最大咬合力。最大咬合力下降对咀嚼功能的影响尚待确定。
