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口腔印模的质量直接影响修复体的准确性和修复质量。临床常用的口腔弹性印模材料有藻酸盐水胶体印模材料、琼脂水胶体印模材料、硅橡胶印模材料、聚醚橡胶印模材料和聚硫橡胶印模材料。各种材料组成不同,性能各异,临床使用时应根据具体病例,选择合适的印模材料和消毒方法,以获取最佳效果。本文主要介绍了各弹性印模材料性能特点及临床使用注意事项。
The quality of oral impression directly affects the accuracy and quality of prosthesis. Common dental oral impression materials are alginate hydrocolloid impression material, agar hydrocolloid impression material, silicone rubber impression material, polyether rubber impression material and polysulfide impression material. Different materials of different composition, different performance, clinical use should be based on specific cases, select the appropriate impression material and disinfection methods, in order to obtain the best results. This article mainly introduces the characteristics of each elastic impression material and clinical precautions.