title: [A preliminary approach of the malocclusion of second permanent molar].
abstract: We examined 2183 cases of orodental malocclusion in our clinic. 420 cases of deep-overjet of second permanent molar were found. In this paper we discussed the sex and age of the patients, distribution of tooth position, ratio, degree of overjet, causes of malocclusion, malocclusion condition, endangerment, prevention and treatment.
authors.affiliation: Stomatological College, Fourth Military Medical University, Xi'an.
authors.forename: Z
authors.initials: Z
authors.lastname: Lin
mesh_terms: D000202:Activator Appliances; D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000209:etiology* / Q000517:prevention & control / Q000628:therapy; D008963:Molar