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Introduction: Isolation of teeth is crucial for multiple procedures in dentistry. For this the rubber dam is considered as a useful adjunct in dentistry, helping in achieving a drier field and improved visibility during operative procedures. Rubber dam serves well for isolation of the tooth by making the working field clear of oral fluid hinderances. The purpose of this study was to determine the general knowledge, attitude and practice of usage of rubber dam among dental practitioners in Kathmandu.

Materials and Method: A cross-sectional study was designed. Three hundred questionnaires were distributed to dental practitioners of Kathmandu, working in various government or private hospital or clinics. The data were collected and descriptive statistical analysis was done

Result: Out of 300 questionnaires only 267 were returned. Only 247 that were filled completely were included in the study. We found that most of the dental practitioners (97%) do not use rubber dam in their daily practice and it was observed to be used mostly by the endodontists.

Conclusion: The findings of this study show that the dentists of Kathmandu although have significant knowledge of rubber dam use it do not use much rubber dam. This study show that dentist have to be encouraged to use rubber dam.

Endodontics; operative dentistry; rubber dam.