The accuracy of three impression transfer techniques for implant supported prostheses

dc.contributor.authorDullabh, Hemant D.
dc.contributor.authorSykes, Leanne M.
dc.date.accessioned2008-12-09T08:02:14Z
dc.date.available2008-12-09T08:02:14Z
dc.date.issued2008-09
dc.description.abstractCast framework for osseointegrated implant retained prostheses need to be passively fitting so as not to place undue forces and stress concentrations around the fixtures. Impression materials and techniques play a key role in the accuracy and fit of the metal framework. In this study, three impression procedures were investigated to establish which was the most accurate, reliable and predictable. This included using smooth sided tapered transfer copings and unsplinted and splinted square undercut transfer copings. A metal plated master model was fabricated and used as the standard against which models poured using the different impression techniques were compared. Readings were taken with a Reflex Microscope and used to calculate the mean, standard deviation and deviation index for each test model. The results of this study suggest that direct coping transfer techniques provide comparable or better results than indirect coping transfers in master cast fabrication. There was no significant difference in impression transfer accuracy between splinted and non-splinted square impression coping transfer techniques.en_US
dc.identifier.citationDullabh, HD & Sykes, LM 2008, 'The accuracy of three impression transfer techniques for implant supported prostheses', South African Dental Journal, vol. 63, no. 8, pp. 458-465. [http://www.sadanet.co.za]en_US
dc.identifier.issn1029-4864
dc.identifier.urihttp://hdl.handle.net/2263/8292
dc.language.isoenen_US
dc.publisherSouth African Dental Associationen_US
dc.rightsSouth African Dental Associationen_US
dc.subjectOsseointegrated implantsen_US
dc.subjectImpression techniquesen_US
dc.subject.lcshOsseointegration
dc.subject.lcshDental impressions
dc.subject.lcshDental implants -- Research
dc.titleThe accuracy of three impression transfer techniques for implant supported prosthesesen_US
dc.typeArticleen_US

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