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本文分析几年收治的口腔整畸病人1052例,其中因多生牙就诊者93例,占8.84％.共119颗多生牙,已萌出者113颗,未萌出者6颗.一 性别与年龄:93例中,男70例,女23例,男女之比为3.04:1,较以往报道的2.25:1稍高,3.3:1略低.年龄7～35岁,其中7～10岁23例(24.73％),11～20岁49例(52.69％),21～35岁21例(22.58％)。二 多生牙的数目与形态:1颗69例(74.19％),2颗22例(23.66％),3颗2例(2.15％).119颗中,牙冠呈锥形者104颗(87.40％),圆柱形者4颗(3.36％),5尖者3颗(2.52％),不规则者8颗(6.72％).多生牙牙根多数短小,牙根有弯曲者31颗(26.05％).
In this paper, 1052 cases of orthodontic patients admitted in recent years were analyzed, of whom 93 (8.84%) were diagnosed as having multiple teeth, 119 were born with teeth, 113 had eruptions, and 6 did not have eruptions. : 93 cases, 70 males and 23 females, the ratio of men and women 3.04: 1, slightly higher than the previously reported 2.25: 1, 3.3: 1 slightly lower .Age of 7 to 35 years old, of which 7 to 10 years old in 23 cases (24.73%), 49 cases (52.69%) from 11 to 20 years old and 21 cases (21.58%) from 21 to 35 years old. The number and shape of the teeth of two adolescents were 69 cases (74.19%) in 1 case, 22 cases (23.66%) in 2 cases and 2 cases (2.15%) in 3 cases. There were 104 conical crowns (87.40 (3.36%), 3 spikes (2.52%) and 8 irregular contours (6.72%). The majority of adventitial roots were short and 31 (26.05%) had root distortions, .