A study to investigate and compare the physicomechanical properties of experimental and commercial temporary crown and bridge materials

Abdulmohsen, Bana; Parker, Sandra; Braden, M.; Patel, Mukesh R.

doi:10.1016/j.dental.2015.11.025

Cited by 38 publications

(36 citation statements)

References 20 publications

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“…Provisional restoration based on PMMA have many advantages, in terms of strength, aesthetics and colour stability, marginal fit, and they can be easily fabricated, polished and repaired. However, it has been reported to have some serious disadvantages like irritation of vital tissues, which could be due to leaching of the free monomer, high polymerization exotherm during setting, low wear resistance and high volumetric shrinkage, and should be used for the indirect technique of TCB fabrication, or as PMMA shells that are fabricated in the laboratory, which are then lined in the patient’s mouth with PEM/monomer system [ 10 ].…”

Section: Discussionmentioning

confidence: 99%

“…The latter was introduced as a new provisional restorative material due to having low water uptake, low polymerization exothermic reaction and low irritation to the vital tissue. [ 10 ] The former commercial PEMA based provisional material with IBMA monomer (e.g. Trim, Bosworth) contains a plasticizer (di-butyl phthalate, DBP), to improve handling properties and reduce setting time.…”

Section: Discussionmentioning

confidence: 99%

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Mechanical properties of provisional dental materials: A systematic review and meta-analysis

et al. 2018

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Provisional restorations represent an important phase during the rehabilitation process, knowledge of the mechanical properties of the available materials allows us to predict their clinical performance. At present, there is no systematic review, which supports the clinicians’ criteria, in the selection of a specific material over another for a particular clinical situation. The purpose of this systematic review and meta-analysis was to assess and compare the mechanical properties of dimethacrylates and monomethacrylates used in fabricating direct provisional restorations, in terms of flexural strength, fracture toughness and hardness. This review followed the PRISMA guidelines. The searches were conducted in PubMed, Embase, Web of Science, Scopus, the New York Academy of Medicine Grey Literature Report and were complemented by hand-searching, with no limitation of time or language up to January 10, 2017. Studies that assess and compare the mechanical properties of dimethacrylate- and monomethacrylate-based provisional restoration materials were selected. A quality assessment of full-text articles were performed according to modified ARRIVE and CONSORT criteria and modified Cochrane Collaboration’s tool for in vitro studies. Initially, 256 articles were identified. After removing the duplicates and applying the selection criteria, 24 articles were included in the qualitative synthesis and 7 were included in the quantitative synthesis (meta-analysis). It may be concluded that dimethacrylate-based provisional restorations presented better mechanical behavior than monomethacrylate-based ones in terms of flexural strength and hardness. Fracture toughness showed no significant differences. Within the monomethacrylate group, polymethylmethacrylate showed greater flexural strength than polyethylmethacrylate.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Mechanical properties of provisional dental materials: A systematic review and meta-analysis

et al. 2018

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“…In particular, to maintain flexibility and plasticity during the fabrication of provisional restorations, some bis-acryl provisional resin-based composites contain a plasticizer 12) . The plasticizer is thought not to chemically bond to the monomer network 31) , and may influence post-cure polymerization and degradation processes during TCs. TS does not contain any plasticizer, which may explain its relatively stable K IC values relative to the other DCPRs.…”

Section: Discussionmentioning

confidence: 99%

Influence of different curing modes on flexural properties, fracture toughness, and wear behavior of dual-cure provisional resin-based composites

et al. 2019

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We investigated the influence of different curing modes on the mechanical properties and wear behavior of dual-cure provisional resin-based composites (DCPRs). Three DCPRs and a self-curing bis-acryl provisional resin-based composite were used. Flexural strength (σF), elastic modulus (E), resilience (R), and fracture toughness (KIC) were measured. The specimens were fabricated with and without light irradiation, stored in distilled water at 37°C for 24 h, and subjected to 5,000 or 10,000 thermal cycles. For sliding impact wear testing, 12 specimens were prepared with and without light irradiation. The maximum facet depth and volume loss were determined using a noncontact profilometer. Some of the mechanical properties and wear behavior of DCPRs are affected by light irradiation. This study indicated that proper light irradiation is important in polymerization process of the DCPRs to enhance the wear resistance and some mechanical properties.

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“…Most frequently, contemporary materials are filler-supplemented composite-based resins provided in the form of auto-mix systems, and feature an auto-or double-curing mode. Although a number of material-associated properties of polymeric materials for the fabrication of fixed interim restorations, such as flexural strength, marginal and internal fit, fracture strength and mode, or polymerization temperature, have been investigated in laboratory studies (2,(4)(5)(6)(7), data on the handling properties of these materials are currently lacking. Although fixed interim restorations are intended to fulfill important functions during prosthetic treatments, few scientific data on their clinical performance are currently available.…”

Section: Introductionmentioning

confidence: 99%

Performance of resin materials for temporary fixed denture prostheses

et al. 2019

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This study investigated the handling properties and clinical performance of two commercially available resin materials with slight differences in filler composition for the fabrication of fixed interim restorations. In a dental university setting, patients requiring prosthetic treatment were supplied with fixed interim restorations fabricated from two commercially available resin materials. To clarify the handling properties of the resin materials, dentists and undergraduate students completed a questionnaire. Prior to insertion of the definitive restoration, the interim restorations were analyzed by calibrated examiners using a modification of the United States Public Health Service criteria. Eighty-two fixed interim restorations with a mean clinical service period of 44.5 (±28.3) days were included, including 39 single crowns, 30 fixed denture prostheses, 10 blocked crowns, and 3 partial coverage restorations. No significant differences between the two materials in the rating of their handling properties were identified, with the exception of the parameter "surface". Failures due to fractures were observed in 13% of the interim restorations. No significant differences between the materials in the rating of the clinical performance were identified. These results indicate that slight changes in the filler composition of commercial formulations account for few differences in handling properties and clinical performance.

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A study to investigate and compare the physicomechanical properties of experimental and commercial temporary crown and bridge materials

Cited by 38 publications

References 20 publications

Mechanical properties of provisional dental materials: A systematic review and meta-analysis

Mechanical properties of provisional dental materials: A systematic review and meta-analysis

Influence of different curing modes on flexural properties, fracture toughness, and wear behavior of dual-cure provisional resin-based composites

Performance of resin materials for temporary fixed denture prostheses

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