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Pesqui. bras. odontopediatria clín. integr ; 18(1): 4263, 15/01/2018. tab
Article Dans Anglais | LILACS, BBO | ID: biblio-967086

Résumé

Objective: To compare the degree of intraradicular wear in flat channels with mechanized instrumentation. Material and Methods: A total of 48 dental units were selected of central and lateral lower incisors, divided into two groups of 24 units each according to the type of instrumentation system: G1 - Protaper Next Group; G2 -Wave One Group. Teeth were exposed to room temperature for seven days for drying. After this exposure, the initial weighing (P0) of the roots in analytical balance was carried out. After instrumentation, the specimens were again exposed at room temperature for another seven days and then the second weighing (P1) was performed. The difference found between the values attributed to the two weighings of each specimen represented the wear of the dentin walls in order to compare the degree of wear between the study groups. Statistical tests were performed for analysis of variance (ANOVA), using a significance level of 5%. Results: Comparison between rotational and reciprocating systems showed that reciprocating files significantly promoted (p<0.05) increased intraradicular dentin wear in relation to rotating files. Conclusion: The use of Wave One Reciprocating Files was considered more effective in the wear of flattened root canals, thus presenting better cleaning ability in the treatment of inflammatory and/or infectious canal processes.


Sujets)
Humains , Obturation de canal radiculaire , Efficacité en Santé Publique , Préparation de canal radiculaire , Endodontie/instrumentation , Techniques in vitro/méthodes , Brésil , Analyse de variance , Incisive
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