Base de dados : MEDLINE
Pesquisa : E06.323.400 [Categoria DeCS]
Referências encontradas : 6935 [refinar]
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[PMID]:29267670
[Au] Autor:Bellan MC; Cunha PFJSD; Tavares JG; Spohr AM; Mota EG
[Ad] Endereço:Pontifícia Universidade Católica da Universidade Federal do Rio Grande do Sul - PUC-RS, School of Dentistry, Graduate Program, Porto Alegre, RS, Brazil.
[Ti] Título:Microtensile bond strength of CAD/CAM materials to dentin under different adhesive strategies.
[So] Source:Braz Oral Res;31:e109, 2017 Dec 18.
[Is] ISSN:1807-3107
[Cp] País de publicação:Brazil
[La] Idioma:eng
[Ab] Resumo:The present study aimed to evaluate the microtensile bond strength (µTBS) of novel computer-aided design/computer-aided manufacturing (CAD/CAM) restorative materials to dentin using different adhesive strategies. Thirty-two crowns were milled using CAD/CAM materials (Vita Mark II as control, Vita Suprinity, Vita Enamic and Lava Ultimate) and luted to dentin using different resin cements (RelyX ARC, RelyX Unicem 2 and RelyX Ultimate). The specimens were stored in 100% relative humidity at 37°C for 24 h and sectioned. The samples (n = 16) with cross-sectional areas of approximately 0.90 mm2, were submitted to a µTBS test in a universal testing machine with a crosshead speed of 0.5 mm/min. The samples were analyzed with SEM to determinate the failure mode. According to 2-way ANOVA and Tukey's test (α=0.05), the interaction effect (material x luting strategy) was significant (p=0.001). Regardless of the luting strategy, a higher µTBS was obtained with Lava Ultimate and Vita Enamic, which were significantly different from Vita Mark II and Vita Suprinity (p<0.05). For Vita Mark II, Vita Suprinity, Vita Enamic, and Lava Ultimate, the µTBS obtained with RelyX Unicem 2 was not significantly different from that obtained with RelyX ARC or RelyX Ultimate. All groups obtained at least three types of failure. The adhesive strategy with self-adhesive resin cement was comparable to conventional resin cement with total-etch or self-etch adhesive techniques in the bond of novel CAD/CAM materials to dentin.
[Mh] Termos MeSH primário: Cerâmica/química
Projeto Auxiliado por Computador
Colagem Dentária/métodos
Dentina/efeitos dos fármacos
Cimentos de Resina/química
[Mh] Termos MeSH secundário: Análise de Variância
Falha de Restauração Dentária
Dentina/química
Seres Humanos
Teste de Materiais
Microscopia Eletrônica de Varredura
Reprodutibilidade dos Testes
Propriedades de Superfície/efeitos dos fármacos
Resistência à Tração
Fatores de Tempo
[Pt] Tipo de publicação:EVALUATION STUDIES; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Resin Cements)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180308
[Lr] Data última revisão:
180308
[Sb] Subgrupo de revista:D; IM
[Da] Data de entrada para processamento:171222
[St] Status:MEDLINE


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[PMID]:28459251
[Au] Autor:Spath A; Smith C
[Ad] Endereço:Lecturer, University of California, Los Angeles, California; Private Practice, Newport Beach, California; Mentor, Kois Center, Seattle, Washington.
[Ti] Título:Removal of Modern Ceramics.
[So] Source:Compend Contin Educ Dent;38(5):326-333, 2017 May.
[Is] ISSN:2158-1797
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:With the overwhelming acceptance of lithium disilicate and zirconia, the frequency with which dentists have to remove these materials is increasing, and this can be difficult. Proper cement usage for full-coverage crowns with preparations that have retention and resistance can be helpful if in the future the restoration needs to be removed. When removing these modern materials, bur and laser techniques are both effective means, with each having specific benefits. Materials selection and preparation design are vital when considering areas of risk each patient exhibits and the potential need for removal.
[Mh] Termos MeSH primário: Cerâmica
Coroas
Materiais Dentários
Porcelana Dentária
Lasers
Zircônio
[Mh] Termos MeSH secundário: Cerâmica/química
Cimentos Dentários/química
Falha de Restauração Dentária
Seres Humanos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Dental Cements); 0 (Dental Materials); 0 (lithia disilicate); 12001-21-7 (Dental Porcelain); C6V6S92N3C (Zirconium); S38N85C5G0 (zirconium oxide)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180308
[Lr] Data última revisão:
180308
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:170502
[St] Status:MEDLINE


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[PMID]:29412223
[Au] Autor:Genari B; Leitune VCB; Jornada DS; Aldrigui BR; Pohlmann AR; Guterres SS; Samuel SMW; Collares FM
[Ad] Endereço:Universidade Federal do Rio Grande do Sul - UFRGS, School of Dentistry, Dental Materials Laboratory, Porto Alegre, RS, Brazil.
[Ti] Título:Effect on adhesion of a nanocapsules-loaded adhesive system.
[So] Source:Braz Oral Res;32:e008, 2018 Feb 01.
[Is] ISSN:1807-3107
[Cp] País de publicação:Brazil
[La] Idioma:eng
[Ab] Resumo:This study aimed to evaluate the in situ degree of conversion, contact angle, and immediate and long-term bond strengths of a commercial primer and an experimental adhesive containing indomethacin- and triclosan-loaded nanocapsules (NCs). The indomethacin- and triclosan-loaded NCs, which promote anti-inflammatory and antibacterial effects through controlled release, were incorporated into the primer at a concentration of 2% and in the adhesive at concentrations of 1, 2, 5, and 10%. The in situ degree of conversion (DC, n=3) was evaluated by micro-Raman spectroscopy. The contact angle of the primer and adhesive on the dentin surface (n = 3) was determined by an optical tensiometer. For the microtensile bond strength µTBS test (12 teeth per group), stick-shaped specimens were tested under tensile stress immediately after preparation and after storage in water for 1 year. The data were analyzed using two-way ANOVA, three-way ANOVA and Tukey's post hoc tests with α=0.05. The use of the NC-loaded adhesive resulted in a higher in situ degree of conversion. The DC values varied from 75.07 ± 8.83% to 96.18 ± 0.87%. The use of NCs in only the adhesive up to a concentration of 5% had no influence on the bond strength. The contact angle of the primer remained the same with and without NCs. The use of both the primer and adhesive with NCs (for all concentrations) resulted in a higher contact angle of the adhesive. The longitudinal µTBS was inversely proportional to the concentration of NCs in the adhesive system, exhibiting decreasing values for the groups with primer containing NCs and adhesives with increasing concentrations of NCs. Adhesives containing up to 5% of nanocapsules and primer with no NCs maintained the in situ degree of conversion, contact angle, and immediate and long-term bond strengths. Therefore, the NC-loaded adhesive can be an alternative method for combining the bond performance and therapeutic effects. The use of an adhesive with up to 5% nanocapsules containing indomethacin and triclosan and a primer with no nanocapsules maintained the long-term bond performance.
[Mh] Termos MeSH primário: Colagem Dentária/métodos
Indometacina/química
Nanocápsulas/química
Cimentos de Resina/química
Triclosan/química
[Mh] Termos MeSH secundário: Análise de Variância
Animais
Bovinos
Falha de Restauração Dentária
Dentina/efeitos dos fármacos
Teste de Materiais
Transição de Fase/efeitos dos fármacos
Polimerização/efeitos dos fármacos
Valores de Referência
Reprodutibilidade dos Testes
Análise Espectral Raman
Propriedades de Superfície/efeitos dos fármacos
Resistência à Tração
Fatores de Tempo
[Pt] Tipo de publicação:EVALUATION STUDIES; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Nanocapsules); 0 (Resin Cements); 4NM5039Y5X (Triclosan); 90881-69-9 (Scotchbond); XXE1CET956 (Indomethacin)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180307
[Lr] Data última revisão:
180307
[Sb] Subgrupo de revista:D; IM
[Da] Data de entrada para processamento:180208
[St] Status:MEDLINE


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[PMID]:28449767
[Au] Autor:Brignardello-Petersen R
[Ti] Título:Mini implants seem to have good prognosis when used to support complete overdentures.
[So] Source:J Am Dent Assoc;148(5):e63, 2017 05.
[Is] ISSN:1943-4723
[Cp] País de publicação:England
[La] Idioma:eng
[Mh] Termos MeSH primário: Prótese Dentária Fixada por Implante
Revestimento de Dentadura
[Mh] Termos MeSH secundário: Implantes Dentários
Falha de Restauração Dentária
Seres Humanos
Mandíbula
Prognóstico
Resultado do Tratamento
[Pt] Tipo de publicação:REVIEW; COMMENT
[Nm] Nome de substância:
0 (Dental Implants)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180305
[Lr] Data última revisão:
180305
[Sb] Subgrupo de revista:D; IM
[Da] Data de entrada para processamento:170429
[St] Status:MEDLINE


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[PMID]:29185320
[Au] Autor:Kurtzman GM
[Ti] Título:Replacement of a Failing Composite Restoration: Pairing a Self-Etch Adhesive and Nanocomposite.
[So] Source:Dent Today;35(10):102-3, 2016 Oct.
[Is] ISSN:8750-2186
[Cp] País de publicação:United States
[La] Idioma:eng
[Mh] Termos MeSH primário: Corrosão Dentária
Falha de Restauração Dentária
Reparação de Restauração Dentária/métodos
Nanocompostos
[Mh] Termos MeSH secundário: Idoso
Seres Humanos
Masculino
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180220
[Lr] Data última revisão:
180220
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:171201
[St] Status:MEDLINE


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[PMID]:29188699
[Au] Autor:Aslam A; Khan DA; Hassan SH; Ahmed B
[Ti] Título:Ceramic Fracture in Metal-Ceramic Restorations: The Aetiology.
[So] Source:Dent Update;44(5):448-50, 453-4, 456, 2017 May.
[Is] ISSN:0305-5000
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:All dental restorations are liable to failure during function. Failure could be biologic, aesthetic, mechanical or a combination. Ceramic restorations in particular, including metal-ceramics, are prone to mechanical fracture, especially the fracture of veneering porcelain. Fracture of a metal-ceramic restoration jeopardizes function as well as aesthetics. It is equally onerous to manage for both patient and dentist. Optimal management of such cases requires a detailed knowledge of the aetiology behind this phenomenon. The current paper aims to highlight possible causative factors involved in the mechanical failures of metal-ceramic restorations. Clinical relevance: Ceramic fracture in metal-ceramic crowns and fixed partial dentures is routinely encountered in dental clinics. Knowledge of the aetiology is required to diagnose and manage such cases accurately as well as to avoid these errors in future.
[Mh] Termos MeSH primário: Falha de Restauração Dentária
Ligas Metalo-Cerâmicas
[Mh] Termos MeSH secundário: Seres Humanos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Metal Ceramic Alloys)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180130
[Lr] Data última revisão:
180130
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:171201
[St] Status:MEDLINE


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[PMID]:29188692
[Au] Autor:Murchie BD
[Ti] Título:Complications of an Ageing Dentition Part 2: Restorative Management Options.
[So] Source:Dent Update;44(5):396-8, 401, 2017 May.
[Is] ISSN:0305-5000
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:This is the second-part of this three-part series. The first paper discussed the occlusal and cracked tooth aetiological factors which may be responsible for restoration failure. This paper will outline the restorative options for cracked and root canal-treated teeth. It will also briefly give an overview of some of the potential endodontic complications commonly associated with failed restorations. The third, and final, part of the series will provide an overview of the previous papers and conclude with a case report. Clinical relevance: Failure of amalgam restorations is a commonly encountered clinical problem in general practice and no one case presents in the same way. Therefore, a competent endodontic diagnosis and implementation of the most appropriate, minimally invasive restorative option requires an adequate knowledge of the current literature.
[Mh] Termos MeSH primário: Falha de Restauração Dentária
Restauração Dentária Permanente/efeitos adversos
Tratamento do Canal Radicular
Fraturas dos Dentes/terapia
[Mh] Termos MeSH secundário: Reparação de Restauração Dentária
Seres Humanos
Complicações Pós-Operatórias/diagnóstico
Complicações Pós-Operatórias/etiologia
Complicações Pós-Operatórias/terapia
Fatores de Tempo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180130
[Lr] Data última revisão:
180130
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:171201
[St] Status:MEDLINE


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[PMID]:29172352
[Au] Autor:Murchie BD
[Ti] Título:Complications of an Ageing Dentition Part 1: Occlusal Trauma and Cracked Teeth.
[So] Source:Dent Update;44(4):295-8, 301-2, 305, 2017 Apr.
[Is] ISSN:0305-5000
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:A growing problem in dentistry is complications associated with failing amalgam restorations that have been in place for many years. At present, there is a wide variety of treatment options available in the clinician's armamentarium when this situation arises, however, without the correct diagnosis, the prognosis for the tooth may quickly diminish, despite the clinician's best efforts. A confusing array of symptoms and failures may confound even the most experienced dentist, which will inevitably lead to invasive and time consuming approaches in a desperate attempt to rectify the initial problem. This paper, the first part of a three-part series, discusses the possible aetiological factors responsible for restoration failure, including occlusal issues and cracks within the tooth structure. The second part of the series will focus on restorative options and root-treated teeth. The third, and final, part of the series will provide an overview of the previous papers and conclude with a case report. Clinical relevance: Failure of amalgam restorations is a commonly encountered clinical problem in general practice and no one case presents in the same way. A competent diagnosis regarding the occlusion and tooth structure, followed with implementation of the most appropriate, minimally invasive treatment option, requires an adequate knowledge of current literature.
[Mh] Termos MeSH primário: Oclusão Dentária Traumática/etiologia
Falha de Restauração Dentária
Restauração Dentária Permanente/efeitos adversos
Fraturas dos Dentes/etiologia
[Mh] Termos MeSH secundário: Oclusão Dentária Traumática/diagnóstico
Oclusão Dentária Traumática/terapia
Seres Humanos
Fatores de Tempo
Fraturas dos Dentes/diagnóstico
Fraturas dos Dentes/terapia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180130
[Lr] Data última revisão:
180130
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:171128
[St] Status:MEDLINE


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[PMID]:29284075
[Au] Autor:Dorri M; Martinez-Zapata MJ; Walsh T; Marinho VC; Sheiham Deceased A; Zaror C
[Ad] Endereço:Department of Restorative Dentistry, Bristol Oral and Dental School, Lower Maudlin Street, Bristol, UK, BS1 2LY.
[Ti] Título:Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries.
[So] Source:Cochrane Database Syst Rev;12:CD008072, 2017 12 28.
[Is] ISSN:1469-493X
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Dental caries is a sugar-dependent disease that damages tooth structure and, due to loss of mineral components, may eventually lead to cavitation. Dental caries is the most prevalent disease worldwide and is considered the most important burden of oral health. Conventional treatment methods (drill and fill) involve the use of rotary burs under local anaesthesia. The need for an electricity supply, expensive handpieces and highly trained dental health personnel may limit access to dental treatment, especially in underdeveloped regions.To overcome the limitations of conventional restorative treatment, the Atraumatic Restorative Treatment (ART) was developed, mainly for treating caries in children living in under-served areas of the world where resources and facilities such as electricity and trained manpower are limited. ART is a minimally invasive approach which involves removal of decayed tissue using hand instruments alone, usually without use of anaesthesia and electrically driven equipment, and restoration of the dental cavity with an adhesive material (glass ionomer cement (GIC), composite resins, resin-modified glass-ionomer cement (RM-GICs) and compomers). OBJECTIVES: To assess the effects of Atraumatic Restorative Treatment (ART) compared with conventional treatment for managing dental caries lesions in the primary and permanent teeth of children and adults. SEARCH METHODS: Cochrane Oral Health's Information Specialist searched the following databases: Cochrane Oral Health's Trials Register (to 22 February 2017), the Cochrane Central Register of Controlled Trials (CENTRAL) (the Cochrane Library, 2017, Issue 1), MEDLINE Ovid (1946 to 22 February 2017), Embase Ovid (1980 to 22 February 2017), LILACS BIREME Virtual Health Library (Latin American and Caribbean Health Science Information database; 1982 to 22 February 2017) and BBO BIREME Virtual Health Library (Bibliografia Brasileira de Odontologia; 1986 to 22 February 2017). The US National Institutes of Health Trials Registry (ClinicalTrials.gov) and the World Health Organization International Clinical Trials Registry Platform were searched for ongoing trials. No restrictions were placed on the language or date of publication when searching the electronic databases. SELECTION CRITERIA: We included randomised controlled trials (RCTs) with at least six months' follow-up that compared the effects of ART with a conventional restorative approach using the same or different restorative dental materials to treat caries lesions. DATA COLLECTION AND ANALYSIS: Two review authors independently screened search results, extracted data from included studies and assessed the risk of bias in those studies. We used standard methodological procedures expected by Cochrane to evaluate risk of bias and synthesise data. Where pooling was appropriate we conducted meta-analyses using the random-effects model. We assessed the quality of the evidence using GRADE criteria. MAIN RESULTS: We included a total of 15 eligible studies randomising 3760 participants in this review. The age of participants across the studies ranged from 3 to 101 years, with a mean of 25.42 years. 48% of participants were male. All included studies were published between 2002 and 2016. Two of the 15 studies declared that the financial support was from companies that manufacture restorative material. Five studies were individually randomised parallel-group studies; six were cluster-randomised parallel-group studies; and four were randomised studies that used a split-mouth design. Eleven studies evaluated the effects of ART on primary teeth only, and four on permanent teeth. The follow-up period of the included studies ranged from 6 months to 36 months. We judged all studies to be at high risk of bias.For the main comparison of ART compared to conventional treatment using the same material: all but two studies used high-viscosity glass ionomer (H-GIC) as the restorative material; one study used a composite material; and one study used resin-modified glass ionomer cement (RM-GIC)).Compared to conventional treatment using H-GIC, ART may increase the risk of restoration failure in the primary dentition, over a follow-up period from 12 to 24 months (OR 1.60, 95% CI 1.13 to 2.27, five studies; 643 participants analysed; low-quality evidence). Our confidence in this effect estimate is limited due to serious concerns over risk of performance and attrition bias. For this comparison, ART may reduce pain during procedure compared with conventional treatment (MD -0.65, 95% CI -1.38 to 0.07; 40 participants analysed; low-quality evidence)Comparisons of ART to conventional treatment using composite or RM-GIC were downgraded to very low quality due to indirectness, imprecision and high risk of performance and attrition bias. Given the very low quality of the evidence from single studies, we are uncertain about the restoration failure of ART compared with conventional treatment using composite over a 24-month follow-up period (OR 1.11, 95% CI 0.54 to 2.29; one study; 57 participants) and ART using RM-GIC in the permanent teeth of older adults with root caries lesions over a six-month follow-up period (OR 2.71, 95% CI 0.94 to 7.81; one study; 64 participants).No studies reported on adverse events or costs. AUTHORS' CONCLUSIONS: Low-quality evidence suggests that ART using H-GIC may have a higher risk of restoration failure than conventional treatment for caries lesions in primary teeth. The effects of ART using composite and RM-GIC are uncertain due to the very low quality of the evidence and we cannot rely on the findings. Most studies evaluated the effects of ART on the primary dentition.Well-designed RCTs are required that report on restoration failure at clinically meaningful time points, as well as participant-reported outcomes such as pain and discomfort. Due to the potential confounding effects from the use of different dental materials, a robust body of evidence on the effects of ART compared with conventional treatment using the same restoration material is necessary. We identified four ongoing trials that could provide further insights into this area.
[Mh] Termos MeSH primário: Tratamento Dentário Restaurador sem Trauma
Cárie Dentária/terapia
[Mh] Termos MeSH secundário: Adulto
Criança
Falha de Restauração Dentária/estatística & dados numéricos
Dentição Permanente
Feminino
Cimentos de Ionômeros de Vidro/uso terapêutico
Seres Humanos
Masculino
Ensaios Clínicos Controlados Aleatórios como Assunto
Dente Decíduo
Odontalgia/epidemiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE; META-ANALYSIS; RESEARCH SUPPORT, NON-U.S. GOV'T; REVIEW
[Nm] Nome de substância:
0 (Glass Ionomer Cements)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180123
[Lr] Data última revisão:
180123
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171229
[St] Status:MEDLINE
[do] DOI:10.1002/14651858.CD008072.pub2


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[PMID]:29172318
[Au] Autor:Burke FJT
[Ti] Título:Technique Tips: A New Look at Repairing Fractured Metal-Ceramic Restorations: Use of a Universal Bonding System and Resin Composite, following Sandblasting.
[So] Source:Dent Update;44(1):81, 2017 Jan.
[Is] ISSN:0305-5000
[Cp] País de publicação:England
[La] Idioma:eng
[Mh] Termos MeSH primário: Resinas Compostas
Reparação de Restauração Dentária/métodos
Ligas Metalo-Cerâmicas
Cimentos de Resina
[Mh] Termos MeSH secundário: Falha de Restauração Dentária
Seres Humanos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Composite Resins); 0 (Filtek Supreme); 0 (Metal Ceramic Alloys); 0 (Resin Cements); 90881-69-9 (Scotchbond)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180123
[Lr] Data última revisão:
180123
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:171128
[St] Status:MEDLINE



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