1. The long term evaluation of periodontal treatment and maintenance in 95 patients;Becker;Int J Periodontics Restorative Dent,1984
2. Periodontology and periodontics;Ramfjord,1979
3. The paralleling extension-cone technique in intraoral dental radiography;Updegrave;Oral Surg Oral Med Oral Pathol,1951
4. The effect of plaque control and surgical pocket elimination on the establishment and maintenance of periodontal health. A longitudinal study of periodontal therapy of advanced disease;Lindhe;J Clin Periodontol,1975
5. The scalloped reverse bevel incision in mucogingival surgery;Wright;Odontologisk Tidskrift,1965