1. A survey of 3874 routine full-mouth radiographs;Dachi;Oral Surg Oral Med Oral Pathol,1961
2. Our third molar teeth: their eruption, presence and absence;Hellman;Dent Cosmos,1936
3. Studies of permanent tooth anomalies in 7886 Canadian individuals: congenitally, missing, supernumerary and peg teeth;Shah;J Can Dent Assoc,1978
4. Responsibility of the third molar for secondary crowding;Bergstrom;Sven Tandlak Tidskr,1961
5. The early developmental position of the lower third molar relative to certain jaw dimensions;Richardson;Angle Orthod,1970