2002
DOI: 10.1590/s1517-74912002000200007
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Abstract: RESUMO:O propósito deste estudo foi avaliar a presença de reabsorção cervical externa em pacientes submetidos ao clareamento de dentes desvitalizados. Os pacientes avaliados tiveram pelo menos um dente desvitalizado clareado entre os anos de 1986 a 1996. Os pacientes foram submetidos à técnica de clareamento com perborato de sódio e peróxi-do de hidrogênio, de acordo com a técnica descrita por Busato et al. 5,6 . Dos 193 pacientes chamados para que os dentes clareados fossem examinados clínica e radiograficame… Show more

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Cited by 15 publications
(18 citation statements)
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“…This acid medium appears to contribute to osteoclastic activity that will result in root resorption 21 . The lack of bond between the cement and enamel is a predisposing factor for the occurrence of external cervical resorption after endogenous bleaching, since it favors penetration of bleaching agents during the treatment 1,3,5,9 . The construction of a barrier in the cervical region is recommended, in an endeavor to prevent or minimize the passage of bleaching agents in the direction towards the external cervical and tooth root apical regions.…”
Section: Discussionmentioning
confidence: 99%
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“…This acid medium appears to contribute to osteoclastic activity that will result in root resorption 21 . The lack of bond between the cement and enamel is a predisposing factor for the occurrence of external cervical resorption after endogenous bleaching, since it favors penetration of bleaching agents during the treatment 1,3,5,9 . The construction of a barrier in the cervical region is recommended, in an endeavor to prevent or minimize the passage of bleaching agents in the direction towards the external cervical and tooth root apical regions.…”
Section: Discussionmentioning
confidence: 99%
“…One hypothesis is that the bleaching agent completely penetrates into the dentinal tubules in the direction towards the periodontal ligament, and starts an inflammatory reaction, resulting in external root resorption 1,11 . Another hypothesis is the occurrence of dentinal denaturing by the bleaching agent, at the amelocement junction 3,13 . Failures or absence of the enamel-cement junction are predisposing factors for the development of cervical resorption, since the bleaching substance will have free access to periodontal tissue, causing an inflammatory reaction in the tissues.…”
Section: Conclusãomentioning
confidence: 99%
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“…O clareamento interno é um procedimento que visa restaurar a coloração dos dentes despolpados pigmentados, sendo sua conduta utilizada há muito tempo, possuindo três vantagens indiscutíveis, como: evitar o desgaste de estrutura dentária em comparação com outros procedimentos, obter resultados estéticos satisfatórios comprovados em longo prazo e onerar menos o paciente. (LOGUERCIO et al, 2002).…”
Section: Interface Saúde Interface Saúdeunclassified