Changes in microhardness and morphology of the adamantine structure as a function of the exposure time to different drugs
Pesqui. bras. odontopediatria clín. integr
; 15(1): 279-289, 2015. tab, graf, ilus
Article
em En
| LILACS
| ID: lil-796373
Biblioteca responsável:
BR1264.1
ABSTRACT
To investigate the in vitro effect of four pediatric liquid medicines on the microhardness and morphology of the enamel of permanent teeth after different exposure times. Material and Methods:
Claritin, Celestone, Amplictil and Vick syrup honey flavor were tested. Seventy tooth fragments were obtained, 50 embedded in acrylic resin and submitted to Knoop Hardness test (50 gf, 15 s, and 5 indentations) before and after immersion in drugs. The specimens were randomly divided into five groups (n = 10), four experimental and one control group (distilled water). The immersion cycle consisted of a single exposure in times of 5 and 15 minutes. Other 20 dental specimens were divided between groups and analyzed by Scanning Electron Microscopy. The level of statistical significance was set at 5% with a confidence interval of 95%.Results:
The microhardness analysis showed no statistically significant difference between experimental groups (p > 0.05), although there was statistically significant difference within each group at different times (p < 0.05). The SEM micrographs showed distinct changes in the enamel morphology.Conclusion:
The decreased in microhardness was dependent on the time of the immersion cycle and morphological changes were influenced by the type of drug and by the exposure time...Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Preparações Farmacêuticas
/
Dentição Permanente
/
Esmalte Dentário
/
Testes de Dureza
Limite:
Humans
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Pesqui. bras. odontopediatria clín. integr
Assunto da revista:
ODONTOLOGIA
Ano de publicação:
2015
Tipo de documento:
Article
País de publicação:
Brasil