DOI: 10.36347/sjds.2017.v04i12.010

Pages: 590-594

The purpose of this study to assess the knowledge, attitude and practices of the dentists of Asir region regarding treatment options for an old defective restoration, to determine the factors which increase the susceptibility of old restorations to defects or failure. A questionnaire designed to investigate the objectives of the research were issued to both general dentist and specialists. Total 210 participants were included in the study. The data collected from the questionnaire was tabulated and analysed using Fisher’s exact test and chi-square test. Out of 210 participants, 189 (90%) were general dental surgeons while 21(10%) were specialists. 70% of the practitioners preferred replacement of restoration over repair. A majority of practitioners reported that the preferred type of restoration depends on loss of tooth structure. According to 40% of dental practitioners secondary caries is the most common defect seen in restorations whereas composite was the most commonly affected material involved in defects. According to 70% of the dentists, out of all teeth, molars and out of all types of restorations, class II restoration have a high susceptibility to defects. Within the limitations of the study it can be concluded that Replacement of the restoration is the preferred treatment of choice for defects in an old restoration. Secondary caries and Partial loss of restoration are the most common defects seen in an old restoration. The factors which increase the susceptibility of an old restoration to defects or failures are 1. The tooth is Molar 2. Class ii restoration 3. Composite restorations 4. Poor oral hygiene and 5. Poor isolation of the tooth during the restorative procedure. This survey can analyze the common causes of defects in restorations and their management. It will improve our treatment procedures in the future, the choice of the materials, and Weather to repair the present old restoration or replace.