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J Clin Periodontol ; 21(7): 490-6, 1994 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-7929862

RESUMO

The aim of the present investigation was to monitor de novo plaque formation and associated alterations of the gingival conditions in the deciduous, mixed and permanent dentition in man. 31 volunteers, divided into 3 study groups participated in the trial. Group 1 was made up of 11 subjects, 4-6 years of age (deciduous dentition), group 2 comprised of 10 subjects, 8-9 years of age (mixed dentition) and group 3 included 10 subjects, 14-16 years of age (permanent dentition). After a screening examination, each participant received detailed instruction in a proper oral hygiene technique and was subjected to professional tooth cleaning. The professional debridement and the oral hygiene instruction were repeated after 1 week. After another week, a given day was termed Day 0 and a baseline examination was performed. This examination included assessments of plaque and gingivitis. Each subject received an additional, comprehensive professional tooth cleaning and was asked to abstain from all mechanical oral hygiene measures. Re-examinations were performed after 3 and 7 days. The findings demonstrated that: (i) during a 7-day period of no active oral hygiene, subjects with a mixed or a permanent dentition formed visible amounts of plaque and developed modest signs of gingivitis; (ii) during the 7 days of the trial, young subjects with a fully erupted deciduous dentition formed less plaque than the older subjects, and failed to respond to de novo plaque formation with enhanced signs of gingivitis; (iii) in subjects with a mixed dentition, the amount of plaque formed during the 7 days of experiment and the matching gingivitis development were similar in the deciduous and permanent tooth segments of the dentition.


Assuntos
Placa Dentária/etiologia , Dentição Mista , Dentição , Gengivite/etiologia , Dente Decíduo , Adolescente , Criança , Pré-Escolar , Índice de Placa Dentária , Profilaxia Dentária , Líquido do Sulco Gengival , Hemorragia Gengival/etiologia , Humanos , Higiene Bucal , Índice Periodontal
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