Then four disinfecting methods were administrated on these impressions separately, 2% glutaraldehyde immersion, 2%glutaraldehyde spray, 5% Eric immersion, 5% Eric spray.

• 采用 2%25戊二醛浸泡、喷涂与 5%25艾力克浸泡、喷涂分别对染菌印模进行消毒处理。