正中多生牙：50颗牙齿的回顾性研究
Mesiodens: a retrospective study of fifty teeth.
作者信息
Roychoudhury A, Gupta Y, Parkash H
机构信息
Department of Dental Surgery, All India Institute of Medical Sciences, New Delhi.
出版信息
J Indian Soc Pedod Prev Dent. 2000 Dec;18(4):144-6.
PMID:11601184
Abstract
A retrospective study of 30 cases of mesiodens is presented. male preponderance of 1.5:1. was 64% mesiodens were impacted and 36% erupted. Inverted impacted mesiodens was seen in 62.5% of the impacted mesiodens. 66.6% cases had 2 mesiodens per case. The harmful effects on the dentition were mostly crowding, rotation, diastema and impacted permanent incisor.
摘要
本文对30例正中牙进行了回顾性研究。男女比例为1.5:1。64%的正中牙为阻生，36%已萌出。62.5%的阻生正中牙为倒置阻生。66.6%的病例每例有2颗正中牙。对牙列的有害影响主要是拥挤、扭转、间隙和恒切牙阻生。
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