Influence of dental exposure to oral environment on smear layer removal and collagen exhibition after using different conditioning agents

Brazilian Dental Journal

Lucas Amaral Fontanari¹  Shelon Cristina Souza Pinto¹  Rodrigo Cavassim¹  Rubens Spin-neto¹  Eduardo De Paula Ishi¹  José Eduardo Cezar Sampaio¹ 

[1] ,Univ. Estadual Paulista Araraquara Dental School Department of Oral Diagnosis and SurgeryAraraquara SP ,Brazil

关键词: Smear layer;    scanning electron microscopy;    conditioning agents;    hypermineralization;   

DOI  :  10.1590/S0103-64402011000600007

来源: SciELO

【 摘 要 】

Although in vitro studies have shown encouraging results for root surface conditioning with demineralizing agents, in vivo studies have failed to show its benefits in periodontal healing. This can be attributed to several factors, among which, the hypermineralization of dental surface. Therefore, this in vitro study compared, using scanning electron microscopy (SEM), the effect of root surface conditioning with different conditioners (1% and 25% citric acid, 24% EDTA and 50 mg/mL tetracycline hydrochloride) in impacted teeth and in teeth that had their roots exposed to the oral environment. One trained examiner assessed the SEM micrographs using a root surface modification index. There was a tendency of more root surface modification in the group of impacted teeth, suggesting that the degree of root mineralization influences its chemical demineralization.

【 授权许可】

CC BY   
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