1. The intracrevicular restorative margin, the biologic width and the maintenance of the gingival margin;Nevins;Int J Perio Rest Dent,1984
2. The effects of restorative margins on the postsurgical development and nature of the periodontium;Parma-Benfenati;Int J Perio Rest Dent,1986
3. Exposure of subgingival margins by nonsurgical gingival displacement;Reiman;J Prosthet Dent,1976
4. Marginal fit of restorations and its relation to periodontal bone level;Bjorn;Odontol Revy,1970
5. The response of human gingiva to restorative materials;Trivedi;J Prosthet Dent,1973