[The malocclusion of primary dentition in the suburb of Chengdu: a cross-section survey].
OBJECTIVE
To reveal malocclusion of primary dentition in the suburb of Chengdu.


METHODS
Cross-section survey and malocclusion rate calculation were performed.


RESULTS
There are 491 children with malocclusion from total 1 279 children; the rate of malocclusion is 38.38%. The most important malocclusion in primary dentition are over bite (III degrees), anterior cross bite, edge to edge bite, early loss of deciduous teeth, fused teeth.


CONCLUSIONS
The rate of malocclusion of primary dentition in the suburb of Chengdu is a little bit light. Much work should be done to prevent or treat the malocclusion of primary dentition.
Huang
Ning
N
Orthodontic Department, West China College of Stomatology, Sichuan University, Chengdu 610041, China.
Shi
Zong-Dao
ZD
Wang
Zu-Hua
ZH
Qin
Jun-Cheng
JC
Chen
E
E
Guo
Chun-Lan
CL
Cuo
Hong-Liang
HL
D002648:Child; D002681:China / Q000453:epidemiology; D003430:Cross-Sectional Studies; D003766:Dental Occlusion; D005671:Fused Teeth; D006801:Humans; D008310:Malocclusion / Q000453:epidemiology*; D014094:Tooth, Deciduous