Effect of venting on cast gold full crowns

Cooper, Thomas M.; Christensen, Gordon J.; Laswell, Harold R.; Baxter, Richard

doi:10.1016/0022-3913(71)90086-2

Cited by 63 publications

(22 citation statements)

References 4 publications

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“…Despite differences in the rheological behavior with initially higher flowability and earlier increase in viscosity of GC FujiCEM 2 (B) compared to Multilink Automix (A), the cement material did not influence the marginal gap. While improved marginal accuracy was found when vented metal crowns (Bassett, ; Cooper et al., ; Cruz et al., ) or all‐ceramic crowns (Clark et al., ) were used, marginal gap width was not affected by the cementation technique (SP, CA, PV) in the current materials using CAD/CAM technologies.…”

Section: Discussionmentioning

confidence: 88%

Fracture behavior, marginal gap width, and marginal quality of vented or pre‐cemented CAD/CAM all‐ceramic crowns luted on Y‐TZP implants

Zaugg

Meyer

Rohr

et al. 2017

Clinical Oral Implants Res

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Section: Discussionmentioning

confidence: 88%

Fracture behavior, marginal gap width, and marginal quality of vented or pre‐cemented CAD/CAM all‐ceramic crowns luted on Y‐TZP implants

Zaugg

Meyer

Rohr

et al. 2017

Clinical Oral Implants Res

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“…In fact, the importance of venting as described in the literature is significant. Cooper and others found that the venting of castings reduced the mean marginal opening by 45 microns, 22 as did Van Nortwick and Gettleman, where the seating of crowns improved by 290 microns with venting. 6 Kaufman and others showed a retention increase between 19% and 32%, while improving seating by 175 microns.…”

Section: Ventingmentioning

confidence: 90%

Effect of Venting and Seating Techniques on the Cementation of Complete Coverage Restorations

Cruz¹,

Sorenson²,

Johnson³

2008

Operative Dentistry

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The best seating of complete crowns during cementation can be achieved by venting the crown and using a tapping cementation technique. When the crown is not vented, a dynamic seating method provides the best seating. 39 Impressions were made, stone dies fabricated, die spacer was applied and the crowns were waxed and cast in type III gold. The respective crowns were placed on the teeth and preloaded. The distance between reference marks on the tooth and crown were measured at four points around each tooth. Zinc phosphate cement was mixed and the crowns were cemented in the following groups: 1) vented, tapping the crown into place with a mallet, 2) non-vented, tapping the crown into place, 3) vented static seating with a 25 kg load, 4) non-vented dynamic seating, 5) non-vented static loading with a 25 kg load. A 25 kg load was then maintained on the crowns during the cement setting time. Distances between reference marks were then measured and the change in post-cementation distances calculated.Results. ANOVA (F=14.995, p<.0001) and multiple range tests revealed significant differences between the groups. The mean increased postcementation distances for the seating groups were (µm): 1) 132 ± 20, 2) 372 ± 26, 3) 367 ± 59, 4) 239 ± 35, 5) 537 ± 45.

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“…Some studies reported values between 40 and 120μm (17)(18)(19) . Other studies reported wider marginal discrepancy up to 180 μm (20)(21)(22) .…”

Section: Discussionmentioning

confidence: 99%

Marginal Accuracy and Fracture Strength of Implant Supported Zirconia Copings Constructed Using CAD/CAM and MAD/MAM Techniques

Montaser¹,

Ahmed

Mandour

2016

ADJ-for Girls

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Effect of venting on cast gold full crowns

Cited by 63 publications

References 4 publications

Fracture behavior, marginal gap width, and marginal quality of vented or pre‐cemented CAD/CAM all‐ceramic crowns luted on Y‐TZP implants

Fracture behavior, marginal gap width, and marginal quality of vented or pre‐cemented CAD/CAM all‐ceramic crowns luted on Y‐TZP implants

Effect of Venting and Seating Techniques on the Cementation of Complete Coverage Restorations

Marginal Accuracy and Fracture Strength of Implant Supported Zirconia Copings Constructed Using CAD/CAM and MAD/MAM Techniques

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