1. A periodontal abscess associated with vertical root fractures;Meister;J Wis Dent Assoc,1976
2. Management of root fracture;Sibley;Oral Sung,1960
3. Traumatic injuries to anterior teeth in children;Epstein;Oral Surg,1962
4. Longitudinal root fracture due to corrosion of an endodontic post;Peterson;J Can Dent Assoc,1971
5. The cracked tooth syndrome: additional findings;Cameron;JADA,1976