Factors relating to usage patterns of amalgam and resin composite for posterior restorations – a prospective analysis

Khalaf, Mai E; Alomari, Qasem; Omar, Ridwaan

doi:10.1016/j.jdent.2014.04.010

Cited by 32 publications

(27 citation statements)

References 37 publications

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“…99 A survey among general dentists in Kuwait showed that the dentist's choice regarding direct restorative materials is influenced by factors such as oral hygiene, numbers of restorations in the mouth, and cavity size. 2 However, no strong evidence exists to support the use of a particular material for either situation. 100 Material choice seems to be related to dentists' preference, country, and cultural trends.…”

Section: Final Considerationsmentioning

confidence: 99%

“…The selection, by the clinician, for a particular material and technique to restore posterior teeth may be influenced by the dentist's personal preferences and skills, patient requests and financial resources, and country policies, among others. [2][3][4][5] Considering this background information, the decision is ultimately based in the belief of providing the most appropriate and long-lasting treatment according to the patient's needs.…”

Section: Introductionmentioning

confidence: 99%

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Restoration Survival: Revisiting Patients' Risk Factors Through a Systematic Literature Review

Sande

Collares

Corrêa

et al. 2016

Operative Dentistry

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A literature review was conducted to investigate the influence of patient-related factors on restoration survival in posterior permanent teeth as well as to report the methods used to collect these factors. The selection of articles on longitudinal clinical studies investigating the survival of posterior restorations (except full crowns and temporary fillings) and including patient-related factors was performed by applying predefined criteria. The review was organized into two parts, the first describing how patient factors were assessed in the studies (n=45) and the second presenting the statistical significance (n=27) and size of the effect (n=11) of these factors on restoration survival. Patient-related factors mentioned in the studies included age; gender; caries risk; caries activity/severity; decayed, missing, filled teeth; number of restorations; oral hygiene; and bruxism, among others. Sixteen studies included the patient age or age range in the analysis, which was found to be significant in 47% of the studies. Regarding gender, four of 17 reports found a significant effect on survival, showing more failures for men in three studies. The caries risk profile or related variables were included in the analysis of 15 studies, and a significant effect on survival was reported for high-caries-risk individuals (or related variables) in 67% of these studies. Bruxism was also found to influence restoration survival in three of six studies where this variable was investigated. Some issues were found regarding the reporting of methods used to classify patients according to risk and were thoroughly discussed. In view of the information gathered in this review, the assessment of patient factors along with other variables should become part of clinical studies investigating restoration survival, since several of these factors were shown to influence the failure of restorations, regardless of the material type.

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Section: Final Considerationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Restoration Survival: Revisiting Patients' Risk Factors Through a Systematic Literature Review

Sande

Collares

Corrêa

et al. 2016

Operative Dentistry

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“…The use of this material has recently increased as a result of consumer demands for esthetic restorations, coupled with the public concern of mercury-containing dental amalgam [4]. Composites are now used in over 95% of all anterior direct restoration teeth and in 50% of all posterior direct restoration teeth [5]. In medicine, fiberreinforced composites have been used in orthopedics as implants, and load bearing surfaces [6].…”

Section: Introductionmentioning

confidence: 99%

The use of different alumina fillers for improvement of the mechanical properties of hybrid PMMA composites

et al. 2015

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Alumina fillers having different morphologies were used for reinforcement of PMMA-based composite materials. The employed fillers had the same chemical composition but morphologically were spherical nanoparticles, whiskers and an electrospun product that was composed of micro-sized mostly spherical particles and nanofibers. The electrospun product was obtained from aluminum chloride hydroxide/PVA/water solution. All fillers were added without surface treatment and mechanical characteristics of obtained composites were determined using dynamic mechanical analysis (DMA) and nanoindentation. From the nanoindentation results, the reduced elastic modulus for the obtained specimens using 3 wt.% of electrospun product was 134% of the one obtained with the polymer alone and the hardness was improved to 157.8% compared to the polymer without any additive. DMA shows that the storage modulus at room temperature was twice that of the polymer alone.

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“…Amalgam has been in use for over two centuries, with a long history of being a safe, durable and affordable restorative material. It comprised 70% of restorations placed to restore carious teeth until recent years when resin composites and other adhesive restorative materials became more available and predictable in their performance. The decline in the use of amalgam is motivated by the steady increase in demand for aesthetic restorations by patients.…”

Section: Introductionmentioning

confidence: 99%

Amalgam phase down: baseline data preceding implementation in Nigeria

Umesi

Oremosu

Makanjuola

2020

International Dental Journal

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Objective: The Minimata Convention on mercury includes amalgam phase-down and eventual phase-out from dentistry. To aid its subsequent evaluation it is important to have baseline data of amalgam use in a locality prior to implementing a phase-down. Methodology: Records of patients spanning 5 years from January 2011 to January 2016 were analysed to determine and the compare frequency of amalgam usage with other dental materials for carious teeth restorations in a Nigerian university teaching hospital. Classes of cavities restored and cadres of operators who employed the different materials were included. Institutional ethics committee approval was obtained prior to commencing the study. Results: 2,058 patients' records were retrieved, 59% females and 41% males. Their ages ranged 19-80 years, mean 33.5 AE 12.7 years, young adults 20-39 years old were the majority (62.9%). Filling materials included 57.5% amalgam, 17.6% glass ionomer cement (GIC) and 24.9% resin composite. Class I restorations constituted 70.5% of amalgam restorations, while Class II restorations made up 29.4% and Class V restorations accounted for 0.1%. Undergraduate dental students placed most of the amalgam restorations (60.5%), and 78.9% of all their restorations were amalgam. Less experienced dentists used all materials equally; the more experienced dentists placed more composite resin and GIC (43.3%). Conclusion: Amalgam fillings constituted nearly 60% of the restorations of carious teeth. Training of dental students in placement of non-mercury alternatives to amalgam and Minimum Intervention Dentistry needs to be emphasized in dental schools. Phase-down of amalgam should be intensified in Nigeria with the ultimate aim of a phase-out in line with the Minamata Convention.

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Factors relating to usage patterns of amalgam and resin composite for posterior restorations – a prospective analysis

Cited by 32 publications

References 37 publications

Restoration Survival: Revisiting Patients' Risk Factors Through a Systematic Literature Review

Restoration Survival: Revisiting Patients' Risk Factors Through a Systematic Literature Review

The use of different alumina fillers for improvement of the mechanical properties of hybrid PMMA composites

Amalgam phase down: baseline data preceding implementation in Nigeria

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