1. Periodontology and partial prostheses;Waerhaug;Int Dent J,1968
2. Periodontal conditions in patients treated with dental bridges. II. The influence of full and partial crowns on plaque accumulation, development of gingivitis and pocket formation;Silness;J Periodont Res,1970
3. Periodontal conditions in patients 5 years following insertion of fixed prosthesis (Pocket depth and loss of attachment);Valderhaug;J Oral Rehabil,1976
4. Reactions of marginal periodontal tissues to restorative procedures;Loe;Int Dent J,1968
5. The effect of crown margin extension on gingival inflammation;Larato;J South Calif Dent Assoc,1969