Loss of space and dental arch length after the loss of the lower first primary molar: A longitudinal study
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Abstract
The premature loss of primary teeth may harm the normal occlusal development, although there are debates relating to the necessity of using space maintainer appliances. The aim of the study is to evaluate the changes in the dental arch perimeter and the space reduction after the premature loss of the lower first primary molar in the mixed dentition stage. The sample consists of 4 lower arch plaster models of 31 patients, within the period of pre-extraction, 6, 12 and 18 months after the lower first primary molar extraction. A reduction of space was noted with the cuspid dislocation and the permanent incisors moving toward the space of the extraction site. It was concluded that the lower first molar primary premature loss, during the mixed dentition, implicates an immediate placement of a space maintainer.
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child , deciduous tooth , dental care , dentition , gingiva disease , human , longitudinal study , malocclusion , molar tooth , orthodontics , Child , Dental Care for Children , Dentition, Mixed , Humans , Longitudinal Studies , Malocclusion , Molar , Space Maintenance , Tooth Exfoliation , Tooth, Deciduous
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English
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Journal of Clinical Pediatric Dentistry, v. 22, n. 2, p. 117-120, 1998.
