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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Preval?ncia e determinantes de oclusopatias nas denti??es dec?dua, mista e permanente na cidade do Natal/RN

Lima, Rejane Bezerra de 19 May 2006 (has links)
Made available in DSpace on 2014-12-17T15:30:51Z (GMT). No. of bitstreams: 1 RejaneBL.pdf: 1880719 bytes, checksum: ed2067cb8297e83d902f9376183bbd03 (MD5) Previous issue date: 2006-05-19 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior / This work is intended to bring a contribuition to the verification of the prevalance of malocclusion in the deciduous, permanent and mixed dentition in the student population in the city of Natal, Brazil. In this purpose, a sectional study of infantiles aging 5, 8 and 12 years old was carried out. The average prevalance of malocclusions in the group as a whole was 76,5%. Considering the different dentitions separately, the study showed malocclusion prevalence as follows: Deciduous Dentition 75,5%; Mixed Dentition 84% and Permanent Dentition 70,5%. The most common malocclusion cases found in the deciduous dentition were openbite (20.6%); overbite (16.6%) and maxillary overjet (14,7). Mixed Dentition: the most commonly found occlusional malfunctions in this dentitional phase were maxillary overjet (33,8%); crowding (28,3%), and mandillary discrepancy (19,9%). In the univaried analysis, he application of the Chi square test of independence, (significance 5%), has indicated a meaningful association of the variables social class (p=0,019), primata space (p = 0,036), habits (p= 0,002) and time-and-habit (P=0,03). The same test on the permanent dentition group revealed a significant association for the independent variables, as follows: Social class (p=O,OOO), School (p=O,OOI), Income (p=O,OOO), housing standard (p=0,001), facial pattem (p=0,004), caries record (p=0,031). No significant association was found in the mixed dentition. The Logistic Regression analysis on the deciduous dentition has shown that income, ethnicity, habit and canine relationship constitute factors of risk regardless of the other variables. As for the permanent dentition, only Facial Pattem was pointed as a factor of risk for the formation of malocclusion / O prop?sito deste estudo foi verificar a preval?ncia de oclusopatias, bem como dos seus determinantes nas denti??es dec?dua, mista e permanente na cidade de Natal/RN. Para tanto, foi realizado um estudo seccional com crian?as de 5, 8 e 12 anos (n=765). A preval?ncia geral de oclusopatias, observando-se as tr?s denti??es, foi de 76,5%. No que se refere ? preval?ncia para cada denti??o obteve-se 75,5% para a denti??o dec?dua, 84,8% e 70,5% para as denti??es mista e permanente, respectivamente. As principais oclusopatias encontrada na denti??o dec?dua foram a mordida aberta anterior (20,6%), seguida da mordida profunda (16,6%) e sobressali?ncia positiva (14,7%). Em rela??o ? denti??o mista, os problemas oclusais encontrados foram a sobressali?ncia positiva (33,8%), apinhamento (28,3%) e discrep?ncia maxilar (20,7%). Essa predomin?ncia permanece inalterada na denti??o permanente e, dessa forma, teve-se: sobressali?ncia positiva (27,4%), apinhamento (22,8%) e discrep?ncia maxilar (19,9%). Na an?lise univariada, atrav?s do teste Qui-quadrado (n?vel de signific?ncia de 5%), verificou-se associa??o significativa em rela??o ? presen?a de oclusopatias na denti??o dec?dua, para os fatores de risco: classe econ?mica (p=0,019), espa?o primata (p=0,036), rela??o dos caninos (p=0,000), h?bitos (p=0,002) e tempo e h?bito ?p=0,03). Para a denti??o permanente, associa??o significativa com a presen?a de oclusopatias, foi encontrada para classe econ?mica (p=0,000), escola (p=0,001), renda (=p0,000), tipo de moradia (p=0,001), padr?o facial (p=0,004) e experi?ncia de c?rie (p=0,031). N?o houve associa??o signifiacativa entre nenhum fatores de risco, e a presen?a de oclusopatias na denti??o mista. Na an?lise de regress?o log?sitica, para a denti??o dec?dua, observou-se que, renda, etnia, h?bito e rela??o dos caninos constitu?ram fator de risco, independente das outras vari?veis estudadas. Na denti??o permanente, apenas o padr?o facial (P= 0,025), foi fator de risco para o desenvolvimento de oclusopatias. Os achados desse estudo revelaram que, tanto a preval?ncia quanto a necessidade de tratamento apresentaram percentuais elevados e, portanto faz-se necess?rio a cria??o de estrat?gias para minimizar esse problema, bem como evitar exposi??es aos fatores de risco de interven??o, tais como, baixa renda e h?bitos e aos moduladores dos fatores de risco heredit?rios: etnia, rela??o dos caninos e pad?o facial

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