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A composite restoration is placed in a cavity after removing dental caries. Composite restorations are very common today because of the growing prevalence of dental erosion and other dental problems. The objective of this study was evaluating the retention of composite material in conventional and modified cavity surface. A survey of practicing dentists and dental students was undertaken. The sample population was selected using stratified random sampling, which involves stratifying the target population into specific groups then using random selection to pick participants from each group. The target population will be stratified into two strata including the practicing dentists' stratum and the dental students' stratum. From the practicing dentists' stratum, three participants will be selected randomly while 20 dentists 80 students' participants will be selected from the dental students' stratum. Therefore, the sample population for the survey research will be 100participants. The participants will be issued with survey questionnaires and will be required to fill them and return them for analysis. The analysis will involve quantitative and qualitative processes. About 73% of the participants are aware of were aware of the composite restoration and effectiveness of composite restoration whereas 54.8% of the participants were aware about modified cavity surface preparation for composite restoration. Thus, modified cavity surface preparation is hypotheses to provide greater bond structure. This study has strong support for the use of modified cavity preparation in composite restoration as an effective strategy in restorative dentistry.