Survival of resin-bonded porcelain veneer crowns placed with and without metal reinforcement

Etemadi, Soheila; Smales, Roger J.

doi:10.1016/j.jdent.2005.05.007

Cited by 7 publications

(5 citation statements)

References 25 publications

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“…However, one of the two crowns placed had failed, which may support the fi ndings of Etemadi and Smales, 12 in whose study there were substantially more failures in posterior teeth (31.2%) than in anterior teeth (7.8%) at fi ve years. It may be considered that further work is indicated on the success of the dentine-bonded crown technique, employing ceramics of optimised physical properties which may still be etched in order to produce a micromechanically retentive fi tting surface.…”

Section: Discussionsupporting

confidence: 72%

“…Most recently, Etemadi and Smales have reported the fi ve-year performance of resin-bonded porcelain veneer crowns (an alternative name for dentine-bonded crowns), with and without metal reinforcement, fi nding that 14.5% of the metal reinforced crowns had failed, compared with 18.6% of the all-ceramic crowns, a statistically signifi cant difference. 12 However, the failure rate of 7.8% in all-ceramic dentine-bonded crowns in anterior teeth is not dissimilar to that reported here. Their study differs from the present work, insofar as the crowns were placed in general dental practice by two specialist practitioners.…”

Section: Discussioncontrasting

confidence: 53%

“…Recently, Etemadi and Smales have published the results of a retrospective assessment of resin-bonded porcelain veneer crowns (an alternative term for dentine-bonded crowns), with the results indicating 18.6% failure of all-ceramic crowns at fi ve years. 12 However, the failures predominantly were in posterior teeth, with 16 of 50 (31.2%) crowns placed on posterior teeth being found to have failed, compared with 15 of 117 (7.8%) crowns placed on anterior teeth.…”

Section: N B R I E Fmentioning

confidence: 96%

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Four year performance of dentine-bonded all-ceramic crowns

Burke

2007

Br Dent J

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Aim This paper reports a prospective evaluation of 59 dentine-bonded crowns placed in a dental school environment for patients, a majority of whom were suffering from tooth substance loss. Results Forty-eight crowns (83%) were available for examination, with their mean age since placement being 3.9 years. The mean age of the patients in whom the crowns were placed was 37.5 years. Three crowns had failed due to porcelain fractures, an overall failure rate of 6%. Two of the failures were minimal cracks of which the patient was unaware, and one, in an upper premolar tooth, because of crown fracture. No secondary caries was noted, incidence of pulp symptoms or pulp death was nil, and margins were rated as 'excellent' in 42 crowns (86%). Conclusion The dentine bonded crowns assessed in this study showed excellent retention and low incidence of fracture at four years. This technique would appear to be suitable for a variety of clinical indications, including treatment of tooth substance loss, although the results presented in this study are relatively short term in relation to the anticipated life of restorations.

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Section: Discussionsupporting

confidence: 72%

Section: Discussioncontrasting

confidence: 53%

Section: N B R I E Fmentioning

confidence: 96%

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Four year performance of dentine-bonded all-ceramic crowns

Burke

2007

Br Dent J

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“…In the past two decades evidence-based dentistry has become more popular, and various tools have been generated to assess the quality of reporting and, ultimately, to improve the quality of future studies. 39,40 In this study, an attempt was made to compare various factors between studies published before (group 1) and after (group 2) the end of 2004. Evaluation of studies published between groups 1 and 2 showed an improvement in reporting of methods of analysis used; however, there was no significant improvement in defining success, survival, and failure or use of standardized criteria.…”

Section: Discussionmentioning

confidence: 99%

A Systematic Review of Outcome Measurements and Quality of Studies Evaluating Fixed Tooth‐Supported Restorations

Patel

O’Brien

Petrie

et al. 2014

Journal of Prosthodontics

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PurposeThe purpose of this systematic review was to review clinical studies of fixed tooth-supported prostheses, and to assess the quality of evidence with an emphasis on the assessment of the reporting of outcome measurements. Multiple hypotheses were generated to compare the effect of study type on different outcome modifiers and to compare the quality of publications before and after January 2005.Materials and MethodsAn electronic search was conducted using specific databases (MEDLINE via Ovid, EMBASE via Ovid, Cochrane Library) through July 2012. This was complemented by hand searching the past 10 years of issues of the Journal of Oral Rehabilitation, Journal of Prosthetic Dentistry, Journal of Prosthodontics, and the International Journal of Prosthodontics. All experimental and observational clinical studies evaluating survival, success, failure, and complications of tooth-supported extracoronal fixed partial dentures, crowns, and onlays were included. No restrictions on age or follow-up time were placed.ResultsThe electronic search generated 14,869 papers, of which 206 papers were included for full-text review. Hand-searching added 23 papers. Inclusion criteria were met by 182 papers and were included for the review. The majority were retrospective studies. Only 8 (4.4%) were randomized controlled trials. The majority of the studies measured survival and failure, and few studies recorded data on success; however, more than 60% of the studies failed to define survival, success, and failure. Many studies did not use any standardized criteria for assessment of the quality of the restorations and, when standardized criteria were used, they were modified, thereby not allowing for comparisons with other studies. There was an increase of 21.8% in the number of studies evaluating outcome measurements of all-ceramic restorations in past 8 years.ConclusionsProsthodontic literature presents with a reduced percentage of RCTs compared to other disciplines in dentistry. The overall quality of recording prosthodontic outcome measurements has not improved greatly in the past 8 years.

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“…In one situation, the porcelain serves as veneers to restore the small teeth defect. In the other situation, the porcelain shells are covered on the cramic or metal copings by fusing at high temperature to present the aesthetic characteristic of the artificial bilayer ceramic crowns/bridges for serious tooth defects or tooth losing [1][2][3]. In commonly, the main chemical composition of dental porcelain is silicate based glasses, belonging brittle materials [4,5].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties of Dental Porcelain Discs by Different Producing Methods

Wang

Liu

Wang

et al. 2013

KEM

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The conventional method of producing porcelain standard disc specimens is based on the dental lab method for bilayer ceramic crowns, in order to reflect the clinical using condition. However heavy task is facing to the researchers, which is producing a large amount of the specimens efficiently. The press molding method is used to produce dental porcelain disc specimens in this study. Then, the basic mechanical properties of two groups of porcelain specimens were tested respectively, comparing with handmade and press molding method. The density was measured by Archimedes' method, the flexural strength was tested by biaxial bending test, and the hardness was checked by microhardness tester. The micro features of the specimens before and after bending test were observed under optical microscope and SEM. The results showed that there was no significant difference in the flexural strength, microhardness and density of porcelain discs made by two methods. Air pores were found in all specimens with size between 5-50 micrometers. The size and distribution of pores in the specimens by press molding method are more homogeneous than handmade method. Producing dental porcelain discs for laboratory testing specimens by press molding method was much easy than handmade method. Furthermore, the mechanical properties and microstructures of the specimens made by handmade method and press molding method were almost same.

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Survival of resin-bonded porcelain veneer crowns placed with and without metal reinforcement

Cited by 7 publications

References 25 publications

Four year performance of dentine-bonded all-ceramic crowns

Four year performance of dentine-bonded all-ceramic crowns

A Systematic Review of Outcome Measurements and Quality of Studies Evaluating Fixed Tooth‐Supported Restorations

Mechanical Properties of Dental Porcelain Discs by Different Producing Methods

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