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희유한 하악 제 3 소구치 일례
A Case of 3rd Premolar in the Right Lower Jaw

대한치과의사협회지 1973년 11권 8호 p.531 ~ 540

이상철, 임택재, 조영필,

소속 상세정보

이상철 ( Lee Sang-Cheol ) - 경희대학교 치과대학 구강악안면외과학교실
임택재 ( Im Teck-Jai ) - 경희대학교 치과대학
조영필 ( Jo Yeong-Pil ) - 경희대학교 치과대학

KMID : 0362719730110080531

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.