Abstract
SEM evaluation of apical smear layer removal by combining endoactivator with different irrigating solutions-An invitro study {Original Research Artic
Highlights
Root canal instrumentation causes production of a layer of organic and inorganic substance that is called as smear layer that mainly consist of bacteria and their components that causes prevention of the infiltration and perfusion of intracanal medicaments into dentinal tubules and affects the adaptation of filling materials to canal walls.[1]
Results showed that Q mix was more efficient and better in smear layer removal than compared to other irrigating solutions used in this study for evaluating smear layer removal
Q mix showed a median score of 1 which meant that most of the samples showed the score of 1 ie.no smear layer was present on the root canal surface and all the tubules were open whereas saline samples showed a median score of 3 which meant heavy smear layer covering root canal wall surface and the tubules
Summary
Root canal instrumentation causes production of a layer of organic and inorganic substance that is called as smear layer that mainly consist of bacteria and their components that causes prevention of the infiltration and perfusion of intracanal medicaments into dentinal tubules and affects the adaptation of filling materials to canal walls.[1] The triumphant accomplishment of root canal treatment is dependant on the procedure carried out and the quality of cleaning and shaping and irrigation, disinfection and three dimensional obturation of the root canal which is very important for the success of the root canal treatment. Endodontic treatment cannot be limited to the removing of pulp remnants and the increasing the width of root canals, but in dire need should focus on removal of smear layer.[2] The irrigating process has three objectives as advocated by the Walker: 1) Dissolution of remnant tissue, 2) Antimicrobial action, and 3) lubrication of the canal. Many researchers have claimed that the smear layer is very difficult to remove.[3]
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