CAD/CAM diamond tool wear

Renato Cassio Roperto; Fabiane Carnero Lopes; Thiago Soares Porto; Sorin Teich; Fabio Antonio Piola Rizzante; Zvi Gutmacher; Manoel Damiao de Sousa-Neto

doi:10.3290/j.qi.a41182

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Journal article

Peer reviewed

CAD/CAM diamond tool wear

Renato Cassio Roperto, Fabiane Carnero Lopes, Thiago Soares Porto, Sorin Teich, Fabio Antonio Piola Rizzante, Zvi Gutmacher and Manoel Damiao de Sousa-Neto

QUINTESSENCE INTERNATIONAL, Vol.49(10), pp.781-786

2018

DOI: 10.3290/j.qi.a41182

PMID: 30264059

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Abstract

Objective: This study evaluated the wear of computer-aided design/computer-assisted manufacture (CAD/CAM) burs and the morphologic changes after a number of millings. Method and Materials: Diamond burs (cylinder and step-bur) were divided into four milling groups: zero millings (G0); 15 millings (G1); 25 millings (G2); and 35 millings (G3). Seventy-five premolar crowns were milled using the Cerec Compact Milling unit and VitaBlock Mark II. Surface roughness, three-dimensional profile, and SEM were used for wear and surface damage evaluation. Results: Two-way ANOVA and Tukey test (a =.05) showed that G3 produced statistically different values compared to G0 and G2, but not G1. The cylinder burs showed higher roughness values than step-burs for all groups. SEM showed similar diamond particle damage for cylinder burs and step-burs, and signs of surface damage, cracks, and particle losses for G3. Conclusion: Both cylinder burs and step-burs were able to sustain a larger number of milling procedures than indicated by the manufacturer.

Dentistry, Oral Surgery & Medicine

Life Sciences & Biomedicine

Science & Technology

Details

Title: Subtitle: CAD/CAM diamond tool wear
Creators: Renato Cassio Roperto - Case Western Reserve University
Fabiane Carnero Lopes - Universidade de São Paulo
Thiago Soares Porto - Case Western Reserve University
Sorin Teich - Case Western Reserve University
Fabio Antonio Piola Rizzante - Case Western Reserve University
Zvi Gutmacher - Rambam Health Care Campus
Manoel Damiao de Sousa-Neto - Universidade de São Paulo
Resource Type: Journal article
Publication Details: QUINTESSENCE INTERNATIONAL, Vol.49(10), pp.781-786
DOI: 10.3290/j.qi.a41182
PMID: 30264059
NLM abbreviation: Quintessence Int
ISSN: 0033-6572
eISSN: 1936-7163
Publisher: Quintessence Publishing Co Inc
Number of pages: 6
Language: English
Date published: 2018
Academic Unit: Operative Dentistry
Record Identifier: 9984420944502771

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