A Case of 3rd Premolar in the Right Lower Jaw

Lee,  Sang-Chull; Im,  Tack-Jai; Cho,  Young-Pill

J Korean Dent Assoc > Volume 11(8); 1973 > Article

The Journal of The Korean Dental Association 1973;11(8):531-540.
Published online August 31, 1973.

희유한 하악 제 3 소구치 일례

이상철¹, 임택재², 조영필³

^¹경희대학교 치과대학
^²경희대학교 치과대학
^³경희대학교 치과대학

A Case of 3rd Premolar in the Right Lower Jaw

Sang-Chull Lee¹, Tack-Jai Im², Young-Pill Cho³

¹School of Dentistry, Kyung Hee University
²School of Dentistry, Kyung Hee University
³School of Dentistry, Kyung Hee University

Abstract

1) The authors has observed in a boy of 21 years old a supernumerary 3rd premolar tooth the crown of which emerged from the fight lingual side close to the both premolar, mandible. 2) They may have a conical form or be otherwise rudimentary or vestigial, but they do not present ancestal characters. 3) According to the reports of formaers and our experiences about it, the large number of the eruption area was in lingual or palatal side. 4) A third premolar in man could only be accounted for as atavisms by a reversion covering so long a period of time.