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Master's Dissertation
DOI
https://doi.org/10.11606/D.23.2006.tde-27102009-093646
Document
Author
Full name
Cassia Tiemi Fukuda
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2006
Supervisor
Committee
Micheli, Giorgio de (President)
Cortelli, José Roberto
Lotufo, Roberto Fraga Moreira
Title in Portuguese
Avaliação radiográfica do nível ósseo de pacientes em manutenção periodontal"
Keywords in Portuguese
Perda óssea alveolar
Periodontia
Radiografia
Abstract in Portuguese
A presente investigação propôs-se a realizar uma análise radiográfica de pacientes em manutenção periodontal do Programa de Pós-Graduação da Disciplina de Periodontia da Faculdade de Odontologia da Universidade de São Paulo. A porcentagem da perda óssea alveolar foi correlacionada com a idade, o fumo , o gênero, os arcos, os grupos de dentes e faces proximais por meio de exames radiográficos completos periapicais. A amostra deste trabalho foi composta por 27 sujeitos da pesquisa do gênero masculino e 53 do gênero feminino, com idade de 16 a 84 anos (média de 48,3 anos). Foram digitalizadas 1120 radiografias periapicais (1970 dentes) e posteriormente, analisadas com o software Image Tool ® (University of Texas Health and Science Center). O critério utilizado para se considerar perda óssea foi que a distância junção esmalte cemento (JEC) à crista óssea alveolar (COA) fosse > que 2 mm. Dois examinadores calibrados (p < 0,0001), realizaram as medidas da perda óssea. A média da perda óssea da amostra foi 20,61% (± 12,12). A prevalência foi maior em fumantes. No entanto, não houve diferença entre homens e mulheres (p > 0,05). A superfície distal e a arco superior apresentaram maiores perdas, bem como o grupo de incisivos e molares superiores. O grupo etário que apresentou maior perda óssea foi o de 45 a 54 anos. O fumo e a faixa etária de 45 a 54 anos são as variáveis que, isoladamente, apresentaram indivíduos com maior susceptibilidade à perda óssea alveolar, quando avaliada radiograficamente.
Title in English
Radiographic assessment of the alveolar bone level of patients in Periodontal Maintenance
Keywords in English
Alveolar bone loss
Periodontics
Radiography
Abstract in English
The aim of the present investigation was to perform a radiographic analysis of patients in Periodontal Maintenance from the Department of Periodontology Graduation - Dentistry College University of São Paulo. Complete sets of periapical radiographs provided data for alveolar bone loss percentage which was correlated to age, smoking status, gender, arches, teeth group and proximal sites. The sample was consisted of 27 male and 53 female subjects with age from 16 to 84 years old (mean 48,3 years). 1120 radiographs (1970 teeth) were digitalized and analyzed with the software Image Tool ® (University of Texas - Health and Science Center). The criteria used to consider bone loss was when the distance from the cement enamel junction to the apex was greater than 2 mm. Two examiners, intra and inter calibrated (p < 0,0001) were responsible for taking the radiographic measurements of bone loss. The mean bone loss of the sample was 20,61%. The prevalence of bone loss was greater in smokers. Nevertheless, there was no difference between male and female (p < 0,0005). The distal surface and the superior arch had the greatest bone loss, as well as the group of incisors and superior molars. The age group of 45- 54 had the highest scores for bone loss. Smoking and group age from 45 to 54 years are two independent variables that may characterize those individuals most prone to alveolar bone loss.
 
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CassiaTiemiFukuda.pdf (302.73 Kbytes)
Publishing Date
2009-12-22
 
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