title: [Evaluation of clinical efficiency of various space maintainers in premature loss of deciduous molars].
abstract: The paper presents the results of two years observation of clinical application of three variants of space maintainers in early primary molars loss. Sixty-five children aged 6-12 years were included in the study. The most common problems when using fixed space maintainers is a deformation of intermediate part seen in 58.3% of children when applying crown (ring) with bracer. Support elements debonding at stabilizing devise fixed directly to tooth enamel is registered in 49.6% of children. Cementation releasing of support elements is observed by the application of crown (ring) with bracer at 45.8% of children.
authors.affiliation: Tverskaia gosudarstvennaia meditsinskaia akademiia, 170000, Tver', Rossiia.
authors.forename: B N
authors.initials: BN
authors.lastname: Davydov
authors.affiliation: Tverskaia gosudarstvennaia meditsinskaia akademiia, 170000, Tver', Rossiia.
authors.forename: T M
authors.initials: TM
authors.lastname: Bakernikova
authors.affiliation: Tverskaia gosudarstvennaia meditsinskaia akademiia, 170000, Tver', Rossiia.
authors.forename: V G
authors.initials: VG
authors.lastname: Lavrikov
authors.affiliation: Tverskaia gosudarstvennaia meditsinskaia akademiia, 170000, Tver', Rossiia.
authors.forename: A N
authors.initials: AN
authors.lastname: Chumakov
mesh_terms: D002648:Child; D002675:Child, Preschool; D003442:Crowns; D005260:Female; D006801:Humans; D008297:Male; D008963:Molar; D018704:Orthodontic Retainers; D013027:Space Maintenance, Orthodontic / Q000295:instrumentation*; D016388:Tooth Loss; D014094:Tooth, Deciduous