咀嚼效能测定是评价人体咀嚼系统功能状态的有效方法之一，以此观察重症牙周炎患者与正常人在咀嚼效率方面的差别，对重症牙周炎患者咀嚼功能的衰退程度可以有相对定量的判断指标，为重症牙周炎治疗的预后提供一项必要的评价标准。而正常人的咀嚼效能均值是其相对标准。这方面 Chewing efficacy measurement is to evaluate the functional status of the human chewing system, one of the effective ways to observe the severe periodontitis patients and the normal masticatory efficiency differences between the severity of periodontal chewing function in patients with the degree of decline can have a relatively quantitative Judgment indicators for the treatment of severe periodontitis provide a necessary evaluation criteria. The normal average masticatory efficiency is the relative standard. In this regard