口腔是多种病原生物寄居数量较多的部位。在口腔治疗 ,特别是在洁牙的过程中 ,破损出血是很常见的 ,病原体经过唾液和血液引起感染的机会很多 ,而目前大部分牙科医院对洁牙机头所采用的传统消毒方法存在着灭菌效果评价不够确切、消毒液腐蚀洁牙机头橡皮圈等缺陷。我院牙周黏膜 Oral cavity is a large number of pathogenic organisms hosting a large number of sites. In the oral treatment, especially in the process of decontamination, bleeding is very common, the pathogen through the saliva and blood have a lot of opportunities for infection, but most dentists use the traditional method of disinfection of dental scaler head exists Sterilization evaluation is not precise enough, disinfectant corrosive scalp head rubber band and other defects. Periodontal mucosa in our hospital