Alternativas de medicação intracanal em casos de necrose pulpar com lesão periapical
Abstract
Trata-se de estudo in vivo em pacientes portadores de dentes monorradiculares apresentando necrose pulpar com lesão periapical. O objetivo foi avaliar radiograficamente a efetividade de 4 diferentes curativos de demora (PMCC, gel de clorexidina 2%, pasta de hidróxido de cálcio e hipoclorito de sódio1%). O tratamento endodôntico foi padronizado em todos os elementos através da técnica escalonada e irrigação com hipoclorito de sódio 1%. Para a medicação intracanal, os pacientes foram separados aleatoriamente em 4 grupos que receberam um dos medicamentos listados. Após 7 dias, os canais foram obturados e submetidos a controle radiográfico aos 3, 6 e 9 meses em que se mediu com precisão a diminuição do diâmetro radiolúcido apical. Os resultados mais satisfatórios ocorreram após o uso do PMCC, seguido pelo hidróxido de cálcio, clorexidina 2% e, por último, hipoclorito de sódio 1%.
UNITERMOS: medicação intracanal; controle radiográfico; necrose pulpar; lesão apical.
SUMMARY
It is an in vivo experiment dealing with single rooted teeth presenting pulpal necrosis with apical osteites. The purpose was to check by radiographic control the effect of 4 different intracanal medicaments (CCP, chlorexidine 2% gel, calcium hydroxide paste and sodium hypochloride 1%). Root canal therapy was performed with the step back technique and irrigation was done with sodium hypochloride 1%. The patients were randomly divided into 4 groups which had one of the listed medicaments. After 7 days, the canals were filled and submitted to radiographic control in 3, 6 and 9 months in order to measure the diameter of the apical radiolucency. The better results were got using CCP, followed by calcium hydroxide paste, chlorexidine 2% gel and, at least by sodium hypochloride 1%.
UNITERMS: intracanal medication; radiographic control; pulpal necrosis; apical osteites.
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