1. A method of measuring root areas of extracted teeth;Crabb;J Dent,1974
2. Theory and practice of crown and bridge prosthodontics;Tylman,1960
3. Periodontal disease;Schluger,1978
4. Root surface measurements of mandibular molars using stereophotogrammetry;Anderson;J Am Dent Assoc,1983
5. Two-part resin bonded cast metal bridges for use when abutment teeth have unequal effective root surface areas;Dummer;Restor Dent,1990