Cleaning capacity promoted by motor-driven or manual instrumentation using ProTaper Universal system: Histological analysis

The aim of this study was to assess the cleaning capacity of the Protaper system using motor-driven or manual instrumentation. Ten mandibular molars were randomly separated into 2 groups (n = 5) according to the type of instrumentation performed, as follows: Group 1 - instrumentation with rotary nic...

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Bibliographic Details
Published in:Journal of conservative dentistry 2013-01, Vol.16 (1), p.79-82
Main Authors: da Frota, Matheus Franco, Filho, Idomeo Bonetti, Berbert, Fábio Luiz Camargo Villela, Sponchiado, Jr, Emilio Carlos, Marques, André Augusto Franco, Garcia, Lucas da Fonseca Roberti
Format: Article
Language:English
Subjects:
Biomechanics
Dentists
Endodontics
Equipment and supplies
Irrigation (Medicine)
Methods
Original
Root canal therapy
Ultrasonic imaging
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Summary:The aim of this study was to assess the cleaning capacity of the Protaper system using motor-driven or manual instrumentation. Ten mandibular molars were randomly separated into 2 groups (n = 5) according to the type of instrumentation performed, as follows: Group 1 - instrumentation with rotary nickel-titanium (Ni-Ti) files using ProTaper Universal System (Dentsply/Maillefer); and, Group 2 - instrumentation with Ni-Ti hand files using ProTaper Universal (Dentsply-Maillefer). Afterwards, the teeth were sectioned transversely and submitted to histotechnical processing to obtain histological sections for microscopic evaluation. The images were analyzed by the Corel Photo-Paint X5 program (Corel Corporation) using an integration grid superimposed on the image. Statistical analysis (U-Mann-Whitney - P < 0.05) demonstrated that G1 presented higher cleaning capacity when compared to G2. The rotary technique presented better cleaning results in the apical third of the root canal system when compared to the manual technique.
ISSN:0972-0707
0974-5203
DOI:10.4103/0972-0707.105305