目前对与牙周病相关的危险因素已有了较为全面的认识，但在临床上如何整体评价牙周病患者的宿主易感性仍困扰着大多数临床牙医。近十余年来，以计算机软件为基础的牙周危险评估模型为临床牙医客观、有效、准确地评价患者的整体牙周危险性提供了可能。本文就目前国际上广泛应用的几种牙周危险评估模型的特点及其临床应用等作一综述。“,”Although the risk factors associated with periodontal diseases have been well understood , how to make an overall evaluation of periodontal susceptibility of the subjects to diseases remains a big challenge .In the past two decades , the emergence of web-based periodontal risk assessment models provided dentists with an objective , ef-fective and accurate analytic tool to assess the potential periodontal risk of patients .This paper is to review the current view of the advantages and clinical applications of these periodontal risk assessment models .