Cutting Efficiency of Three Diamond Bur Grit Sizes

Siegel, Sharon Crane; Fraunhofer, J.A. von

doi:10.14219/jada.archive.2000.0116

Cited by 52 publications

(48 citation statements)

References 5 publications

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“…For dental technicians using the point with the diameter of φ200 µm diamond using, higher efficient grinding will results in shortening work time and increasing income 18) . There are many situations in which ceramic crowns require adjustment, because CAD/CAM (50-10 µm) is inferior in precision to casting (200 µm).…”

Section: Discussionmentioning

confidence: 99%

The grinding efficiency by diamond points developed for yttria partially stabilized zirconia

2011

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Recently, the use of all-ceramic restorations has increased and been applied for many types of clinical treatment such as bridges which can be made with high strength ceramic material: yttria partially stabilized zirconia (Y-PSZ) employing the CAD/CAM system. Consequently, points that can grind high strength ceramic material effectively are necessary for modifying the shape of restorations or removing them. So in our research, we fabricated new diamond points used to grind Y-PSZ. These points were made by electrodeposition of diamond grains. The diameter of the diamond grains are larger (200 µm) than that of traditional points (100 µm). High strength ceramic material was ground to assess the grinding weight and grinding depth various types of points. As a result, Y-PSZ could be ground efficiently with the diamond point which has a larger diameter and employs lager grains (200 µm).

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Section: Discussionmentioning

confidence: 99%

The grinding efficiency by diamond points developed for yttria partially stabilized zirconia

2011

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“…Each titanium disk had identical dimensions (diameter = 9.0 mm; thickness = 2.0 mm) and was divided into two equal halves (surface area = 127.2 mm 2 ) so that only the half of each disk was instrumented with the other side acting as a control. Sample size was calculated based on a power analysis using G Power software 21,22 for Mann-Whitney test. The power was set at 0.8 with an effect size of 1.2 and an alpha error probability of 0.05.…”

Section: Methodology Titanium Specimenmentioning

confidence: 99%

“…A handpiece (W&H Synea Turbine TA-98 CLED, Ignaz-Glaser-Straße, Bürmoos, Austria) was secured in an adjustable jig leading to the mobile disk stage. 18,22 In order to standardize the pressure applied during the timed polishing protocol (TPP), a force of 100N was exerted and calibrated with an Orthodontics dial tension meter (Correx Haag-Streit Tension meter, Haag-Streit AG, Korniz, Switzerland) prior to each test (Figure 1b). …”

Section: Instrumentation Protocolmentioning

confidence: 99%

The effect of standardised implantoplasty protocol on titanium surface roughness: an in-vitro study

et al. 2016

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The effect of standardised implantoplasty protocol on titanium surface roughness: an in-vitro study Abstract: To analyse the changes of surface characteristics of machined and moderately roughened titanium disks following a standardised implantoplasty protocol. Forty titanium discs (machined: n = 20; moderately roughened: n = 20) were instrumented with one half of each disc maintained as the control (non-instrumented). The standardised implantoplasty protocol was carried out using a custom jig with the sequential change of burs: 1) Regular grit diamond [10s], 2) Super-fine grit diamond [10s], 3) Brownie™ silicone polisher [15s], 4) Greenie™ silicone polisher [15s]. Surface topography was analysed using confocal laser scanning microscopy (CLSM) and scanning electron microscopy (SEM). Energy dispersive x-ray spectroscopy (EDS) was used to measure the elemental profiles of each disc. Quantitative analysis showed similar changes in level of roughness between the machined and moderately roughened titanium discs. CLSM demonstrated an increased roughness (Ra and Sa values) after polishing with a regular grit diamond bur when compared to the uninstrumented surfaces. Although the roughness decreased after the further polishing with the super-fine grit diamond bur, subsequent instrumentation using silicon burs tended to increase the roughness, albeit being statistically insignificant. There was a residue of silicon particles despite the irrigation after each polishing stage. The proposed implantoplasty protocol did not achieve a sufficient level of smoothness on the machined or moderately roughened titanium surfaces when compared to the Ra threshold. Further research is recommended to test the efficacy of each bur on titanium surfaces with longer duration using actual oral implants to allow better comparison.

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“…Over short cutting periods, medium, coarse and super coarse have comparable cutting rates. More prolonged the cutting, the efficiency decreases [8]. In our survey most of the practioner`s showed a positive affinity towards the diamond burs followed by the tungsten carbide burs for tooth reduction.…”

Section: Usagementioning

confidence: 63%

An Epidemiological Study on the Selection, Usage and Disposal of Dental Burs among The Dental Practioner’s

Sharma

Shankar

Srinivas

2014

JCDR

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Aim: The purpose of this cross sectional study was to understand and evaluate local practioner`s knowledge on dental bur selection, its usage, sterilization procedures undertaken and the method of disposal of dental burs in restorative procedures. Materials and Methods:A questionnaires proforma was prepared with each question having 4 answers. A total of 20 questions were framed and were sub-divided in to 3 categories namely selection, usage sterilization and disposal. These questionnairess were sent to all the local practioner`s by mail and to ensure a high response rate as they were followed up by telephone calls. The results were analyzed statistically and were represented in the form of percentage.

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Cutting Efficiency of Three Diamond Bur Grit Sizes

Cited by 52 publications

References 5 publications

The grinding efficiency by diamond points developed for yttria partially stabilized zirconia

The grinding efficiency by diamond points developed for yttria partially stabilized zirconia

The effect of standardised implantoplasty protocol on titanium surface roughness: an in-vitro study

An Epidemiological Study on the Selection, Usage and Disposal of Dental Burs among The Dental Practioner’s

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