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[PMID]:29235774
[Au] Autor:Javaheri DS
[Ti] Título:Achieving Natural Tissue Contours: A Predictable and Simplified Technique.
[So] Source:Dent Today;36(1):96, 98-9, 2017 Jan.
[Is] ISSN:8750-2186
[Cp] País de publicação:United States
[La] Idioma:eng
[Mh] Termos MeSH primário: Implantação Dentária Endo-Óssea/métodos
Implantes Dentários para Um Único Dente
Estética Dentária
Gengiva/anatomia & histologia
[Mh] Termos MeSH secundário: Projeto do Implante Dentário-Pivô
Técnica de Moldagem Odontológica
Seres Humanos
Incisivo
Masculino
Maxila
Meia-Idade
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180115
[Lr] Data última revisão:
180115
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:171214
[St] Status:MEDLINE


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[PMID]:29235337
[Au] Autor:Piermatti J
[Ti] Título:Considerations in Abutment Selection.
[So] Source:Dent Today;36(3):74-5, 2017 Mar.
[Is] ISSN:8750-2186
[Cp] País de publicação:United States
[La] Idioma:eng
[Mh] Termos MeSH primário: Dente Suporte
Projeto do Implante Dentário-Pivô
Implantação Dentária Endo-Óssea
[Mh] Termos MeSH secundário: Projeto Auxiliado por Computador
Coroas
Tomada de Decisões
Materiais Dentários
Planejamento de Prótese Dentária
Prótese Dentária Fixada por Implante
Análise do Estresse Dentário
Seres Humanos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Dental Materials)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180115
[Lr] Data última revisão:
180115
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:171214
[St] Status:MEDLINE


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[PMID]:29185300
[Au] Autor:Schnitman PA
[Ti] Título:Digital Implant Dentistry: Reducing Treatment Time, Cost, and Manual Skill Development.
[So] Source:Dent Today;35(9):22, 24, 26-7, 2016 Sep.
[Is] ISSN:8750-2186
[Cp] País de publicação:United States
[La] Idioma:eng
[Mh] Termos MeSH primário: Prótese Dentária Fixada por Implante/métodos
[Mh] Termos MeSH secundário: Competência Clínica
Projeto Auxiliado por Computador
Tomografia Computadorizada de Feixe Cônico
Custos e Análise de Custo
Projeto do Implante Dentário-Pivô
Prótese Dentária Fixada por Implante/economia
Seres Humanos
Masculino
Mandíbula/diagnóstico por imagem
Mandíbula/cirurgia
Meia-Idade
Planejamento de Assistência ao Paciente
Fatores de Tempo
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171221
[Lr] Data última revisão:
171221
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:171201
[St] Status:MEDLINE


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[PMID]:28852747
[Au] Autor:Fabel G; Beuer F
[Ti] Título:Establishing a suitable surface roughness for lithium disilicate implant abutments under laboratory conditions: a morphologic SEM and profilometric pilot study.
[So] Source:Int J Comput Dent;20(3):303-314, 2017.
[Is] ISSN:1463-4201
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:The increasing use of dental implants rather than fixed cantilever bridges for standard dental restorations has led to the development of multiple materials in this field. The goal in modern dentistry in recent years has been to achieve results in implantology that match the natural dentition in esthetics and function. Constant efforts have been made to achieve a perfect emergence profile, and to individualize the surrounding periimplant soft tissue. Powder-free digital scanning is now possible, which allows for the computer-assisted design/computer-assisted manufacturing (CAD/CAM) of ready-to-fit customized immediate implant abutments in various appropriate materials. Since lithium disilicate can be used as a hybrid abutment for restorations, many patients today can more easily afford a customized solution. Apart from the esthetic advantages in the transition area of the crown, the microscopic characterization of the emergence profile is also relevant. Numerous research studies have shown that the optimal surface of titanium abutments is neither too rough nor too smooth. Following these studies, various methods have been used to establish the same proven roughness for zirconia and lithium disilicate surfaces. The present study looks at different polishing methods and glaze firing processes.
[Mh] Termos MeSH primário: Dente Suporte
Projeto do Implante Dentário-Pivô
Polimento Dentário/métodos
Porcelana Dentária
[Mh] Termos MeSH secundário: Seres Humanos
Microscopia Eletrônica de Varredura
Projetos Piloto
Propriedades de Superfície
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (lithia disilicate); 12001-21-7 (Dental Porcelain)
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171102
[Lr] Data última revisão:
171102
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:170831
[St] Status:MEDLINE


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[PMID]:28717792
[Au] Autor:Molina I; Goldberg J; Volpato CM; Magne P
[Ti] Título:Accelerated fatigue resistance of novel-design histoanatomic implant restorations made of CAD/CAM bilaminar assemblies.
[So] Source:Int J Esthet Dent;12(3):336-351, 2017.
[Is] ISSN:2198-591X
[Cp] País de publicação:Germany
[La] Idioma:eng
[Ab] Resumo:OBJECTIVES: Evaluate the fatigue resistance and failure mode of novel-design implant restorations made of histoanatomic computer-assisted design/computer-assisted manufacturing (CAD/CAM) bilaminar bonded assemblies. MATERIAL AND METHODS: 60 screw-retained implant restorations were fabricated. Monolithic restorations were used as a control group (15 lithium disilicate: group CE; and 15 nanofilled composite resin: group CL), and compared with bilaminar restorations (15 dentin-shaped lithium disilicate mesostructures with a bonded nanofilled composite resin veneer: group CEL; and 15 dentin-shaped nanofilled composite resin mesostructures with a bonded lithium disilicate veneer: group CLE). All monolithic and bilaminar restorations were assembled and bonded to a customized metal implant abutment. Cyclic isometric chewing (5 Hz) at a 30-degree angle was simulated, starting with 5,000 cycles at a load of 150 N, followed by 20,000 cycles with increments of 50 N. Samples were loaded until fracture or to a maximum of 160,000 cycles. The groups were compared using the Life Table survival analysis (logrank test at P = 0.05; post hoc tests at P = 0.008). RESULTS: In the CL group, restorations failed at an average load of 347.39 N (98.361 cycles), and in the CLE group at an average load of 313.20 N (83.105 cycles), and none of the specimens withstood all 160,000 load cycles. In the CE group, restorations failed at an average load of 381.47 N (119.115 cycles), and in the CEL group at an average load of 415.20 N (132.873 cycles), with survival rates of 26% and 33%, respectively. Post hoc tests from the load step data showed higher fatigue resistance of CEL compared with CLE (P = 0.003). CONCLUSION: Lithium disilicate monolithic restorations and mesostructures with nanofilled composite resin veneer presented higher survival rates when compared with nanofilled composite resin restorations.
[Mh] Termos MeSH primário: Resinas Acrílicas/química
Resinas Compostas/química
Projeto Auxiliado por Computador
Coroas
Projeto do Implante Dentário-Pivô
Implantes Dentários
Porcelana Dentária/química
Poliuretanos/química
[Mh] Termos MeSH secundário: Falha de Restauração Dentária
Análise do Estresse Dentário
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Acrylic Resins); 0 (Composite Dental Resin); 0 (Composite Resins); 0 (Dental Implants); 0 (Polyurethanes); 0 (lithia disilicate); 12001-21-7 (Dental Porcelain)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170912
[Lr] Data última revisão:
170912
[Sb] Subgrupo de revista:D; IM
[Da] Data de entrada para processamento:170719
[St] Status:MEDLINE


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[PMID]:28682539
[Au] Autor:Bin S; Hao Z
[Ad] Endereço:The State Key Laboratory Breeding Base of Basic Science of Stomatology and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430000, China;Dept. of Dental Implantology, School and Hospital of Stomatology, Wuhan University, Wuhan 430000, China.
[Ti] Título:[Dental implant restoration abutment selection].
[So] Source:Hua Xi Kou Qiang Yi Xue Za Zhi;35(2):124-126, 2017 Apr 01.
[Is] ISSN:1000-1182
[Cp] País de publicação:China
[La] Idioma:chi
[Ab] Resumo:An increasing number of implant restoration abutment types are produced with the rapid development of dental implantology. Although various abutments can meet different clinical demands, the selection of the appropriate abutment is both difficult and confusing. This article aims to help clinicians select the appropriate abutment by describing abutment design, types, and selection criteria.
[Mh] Termos MeSH primário: Projeto do Implante Dentário-Pivô
Implantes Dentários
[Mh] Termos MeSH secundário: Dente Suporte
Seres Humanos
Dente
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Dental Implants)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170807
[Lr] Data última revisão:
170807
[Sb] Subgrupo de revista:D; IM
[Da] Data de entrada para processamento:170707
[St] Status:MEDLINE
[do] DOI:10.7518/hxkq.2017.02.003


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[PMID]:28555206
[Au] Autor:Cannata M; Grandi T; Samarani R; Svezia L; Grandi G
[Ti] Título:A comparison of two implants with conical vs internal hex connections: 1-year post-loading results from a multicentre, randomised controlled trial.
[So] Source:Eur J Oral Implantol;10(2):161-168, 2017.
[Is] ISSN:1756-2406
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:PURPOSE: To compare the clinical and radiological outcomes of identical implants with conical or internal hex connections. METHODS: A total of 90 patients with partial edentulism requiring one implant-supported prosthesis were randomly allocated in two equal groups (n = 45) to receive either implants with a conical connection or implants of the same type, but with an internal hex connection at three centres. Patients were followed for 1 year after loading. Outcome measures were implant failures, any complication and marginal bone level changes. RESULTS: One patient (2.2%) belonging to the internal hex group dropped out. One implant (2.2%) failed in the conical group. There were no statistically significant differences in implant failures between the two groups (2.2% vs. 0%, difference 2.2; 95% CI: -1.3; 5.7; P = 0.315). Two complications occurred in the conical group and two in the internal hex group (P = 1.000, difference 0.00, 95% CI: -3.1; 3.1). The 12-month peri-implant bone resorption was similar in both groups: 0.56 ±â€…0.53 mm (95% CI 0.03; 1.09) in the conical group and 0.60 ±â€…0.62 mm (95% CI 0.02; 1.22) in the internal hex group (difference = 0.04 ±â€…0.55, 95% CI: -0.51; 0.59, P = 0.745). CONCLUSIONS: Within the limitation of this study, preliminary short-term data (1 year post-loading) did not show any statistical differences between the two internal connection types, therefore clinicians could choose whichever connection they prefer. Conflict of interest statement: Tommaso Grandi serves as consultant for J Dental Care, Modena, Italy. This study was completely self-financed and no funding was sought or obtained, not even in the form of free materials.
[Mh] Termos MeSH primário: Projeto do Implante Dentário-Pivô
Planejamento de Prótese Dentária
Prótese Dentária Fixada por Implante
Boca Edêntula/cirurgia
[Mh] Termos MeSH secundário: Adulto
Idoso
Falha de Restauração Dentária
Feminino
Seguimentos
Seres Humanos
Masculino
Meia-Idade
[Pt] Tipo de publicação:COMPARATIVE STUDY; JOURNAL ARTICLE; MULTICENTER STUDY; RANDOMIZED CONTROLLED TRIAL
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170901
[Lr] Data última revisão:
170901
[Sb] Subgrupo de revista:D; IM
[Da] Data de entrada para processamento:170531
[St] Status:MEDLINE


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[PMID]:28327695
[Au] Autor:Esposito M; Bressan E; Grusovin MG; D'Avenia F; Neumann K; Sbricoli L; Luongo G
[Ti] Título:Do repeated changes of abutments have any influence on the stability of peri-implant tissues? One-year post-loading results from a multicentre randomised controlled trial.
[So] Source:Eur J Oral Implantol;10(1):57-72, 2017.
[Is] ISSN:1756-2406
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:PURPOSE: To evaluate the influence of at least three abutment changes in conventionally loaded implants against placement of a definitive abutment in immediately non-occlusal loaded implants on hard and soft tissue changes. MATERIALS AND METHODS: Eighty patients requiring one single crown or one fixed partial prosthesis supported by a maximum of three implants were randomised, after implants were placed with more than 35 Ncm, according to a parallel group design to receive definitive abutments which were loaded immediately (definitive abutment or immediate loading group) or transmucosal abutments. These were delayed loaded after 3 months and were removed at least three times: 1) at impression taking (3 months after implant placement); 2) when checking the zirconium core on titanium abutments at single crowns or the fitting the metal structure at prostheses supported by multiple implants; 3) at delivery of the definitive prostheses (repeated disconnection or conventional loading group). Patients were treated in four centres and each patient contributed to the study with only one prosthesis followed for 1 year after initial loading. Outcome measures were: prosthesis failures, implant failures, complications, pink esthetic score (PES), buccal recessions, patient satisfaction, peri-implant marginal bone level changes and height of the keratinised mucosa. RESULTS: Forty patients were randomly allocated to each group according to a parallel group design. Two patients dropped out from the definitive abutment group but no implant failed. Four provisional and one definitive single crowns had to be remade (due of misfitting) and one definitive crown (due to ceramic fracture) in the repeated disconnection group versus one provisional prosthesis of the immediate loading group due to frequent debondings (difference = 12%; CI95%: 0%, 25%; P = 0.109). Eight patients were affected by complications: four patients from each group (difference = 1%; CI95%: -13%, 14%; P = 1). PES scores assessed at 1 year post-loading were 11.4 (1.5) mm for the definitive abutment group and 11.0 (2.0) mm for the repeated abutment changes group (difference = 0.4; CI95%: -0.4, 1.2; P = 0.289). Buccal recessions at 1 year post-loading amounted to 0.07 (0.35) mm for the definitive abutment group and 0.12 (0.65) mm for the repeated abutment changes group (actually it was a soft tissue gain; difference = 0.05 CI 95%: -0.19, 0.29; P = 0.659). All patients declared to be very satisfied or satisfied with the function and aesthetics of the prostheses and would undergo the same procedure again. Mean peri-implant marginal bone loss at 1 year after loading was 0.06 (0.12) mm for the definitive abutment group and 0.23 (0.49) mm for the repeated abutment changes group (difference = -0.16; CI95%: -0.33,-0.00; P = 0.046). The height of the keratinised mucosa at 1 year post-loading was 2.8 (1.5) mm for the definitive abutment group and 2.8 (1.7) mm for the repeated abutment changes group (difference = -0.0; CI 95%: -0.8, 0.7); P = 0.966. Up to 1 year after initial loading, there were no statistically significant differences between the two procedures, with the exception of 0.16 mm more marginal bone loss at implants subjected to three abutment removals. CONCLUSIONS: One-year post-loading data showed that repeated abutment changes significantly increased bone loss of 0.16, but this difference cannot be considered clinically relevant, therefore clinicians can use the procedure they find more convenient for their specific patient. In addition, immediately non-occlusally loaded dental implants are a viable alternative to conventional loading. Conflict-of-interest statement: This trial was partially funded by Dentsply Sirona Implants, the manufacturer of the implants and other products evaluated in this investigation. However, data belonged to the authors and by no means did the manufacturer interfere with the conduct of the trial or the publication of the results with exception of rejecting the proposal of changing the protocol, after the trial was started, allowing the use of indexed abutments.
[Mh] Termos MeSH primário: Projeto do Implante Dentário-Pivô
Implantação Dentária Endo-Óssea/métodos
[Mh] Termos MeSH secundário: Adulto
Idoso
Idoso de 80 Anos ou mais
Perda do Osso Alveolar/etiologia
Coroas
Prótese Dentária Fixada por Implante
Feminino
Seres Humanos
Carga Imediata em Implante Dentário
Masculino
Meia-Idade
Satisfação do Paciente
[Pt] Tipo de publicação:JOURNAL ARTICLE; MULTICENTER STUDY; RANDOMIZED CONTROLLED TRIAL
[Em] Mês de entrada:1706
[Cu] Atualização por classe:170622
[Lr] Data última revisão:
170622
[Sb] Subgrupo de revista:D; IM
[Da] Data de entrada para processamento:170323
[St] Status:MEDLINE


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[PMID]:28321800
[Au] Autor:Prado AM; Pereira J; Silva FS; Henriques B; Nascimento RM; Benfatti CAM; López-López J; Souza JCM
[Ad] Endereço:Center for Research on Dental Implants (CEPID), School of Dentistry (ODT), Federal University of Santa Catarina (UFSC), Florianópolis, SC, 88040900, Brazil.
[Ti] Título:Wear of Morse taper and external hexagon implant joints after abutment removal.
[So] Source:J Mater Sci Mater Med;28(5):65, 2017 May.
[Is] ISSN:1573-4838
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The aim of this in vitro study was to evaluate the removal torque values on abutments and the morphological wear aspects of two different dental implant joints after immersion in a medium containing biofilm from human saliva. Twenty implant-abutment assemblies were divided into four groups in this study: (A) Morse taper free of medium containing biofilm, and (B) after contact with a medium containing biofilm from human saliva; (C) External Hexagon free of medium containing biofilm, and (D) after contact with medium containing biofilm from human saliva. The abutments were firstly torqued to the implants according to the manufacturer´s recommendations, using a handheld torque meter. Groups B and D were immersed into 24 well-plates containing 2 ml BHI medium with microorganisms for 72 h at 37 °C under microaerophilic conditions. After detorque evaluation, the abutments were removed and the implants were analyzed by scanning electron microscopy (SEM) and profilometry. On the detorque evaluation, the torque values decreased for the external hexagon implants and increased for the Morse taper implants. However, the values were lower when both implant-abutment assemblies were in contact with a medium containing biofilm from human saliva. The wear areas of contacting surfaces of the implants were identified by SEM. The highest average roughness values were recorded on the surfaces free of biofilm. The medium containing biofilm from human saliva affected the maintenance of the torque values on Morse taper and external hexagon abutments. Additionally, the removal of abutment altered the inner implant surfaces resulting in an increase of wear of the titanium-based connection.
[Mh] Termos MeSH primário: Dente Suporte
Implantes Dentários
Falha de Restauração Dentária
[Mh] Termos MeSH secundário: Biofilmes/crescimento & desenvolvimento
Projeto do Implante Dentário-Pivô
Análise do Estresse Dentário
Seres Humanos
Técnicas In Vitro
Teste de Materiais
Microscopia Eletrônica de Varredura
Saliva/microbiologia
Propriedades de Superfície
Titânio
Torque
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Dental Implants); D1JT611TNE (Titanium)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:171021
[Lr] Data última revisão:
171021
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170322
[St] Status:MEDLINE
[do] DOI:10.1007/s10856-017-5879-6


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[PMID]:28319214
[Au] Autor:Shah K; Yilmaz B; McGlumphy E
[Ti] Título:Fabrication of a Mandibular Implant-Supported Overdenture with a New Attachment System: A Review of Current Attachment Systems.
[So] Source:Int J Prosthodont;30(3):245­247, 2017 May/June.
[Is] ISSN:0893-2174
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Since their introduction, implant-retained overdentures have represented a feasible, economical, and highly successful treatment option for completely edentulous patients. Different attachment systems have been effectively used to retain these implant overdentures, and each system has advantages and disadvantages. Locator attachment (Zest Anchors) is one system that has been widely used by clinicians, particularly, for two-implant-supported situations. Recently, Zest Anchors developed a new locator-style abutment, Locator R-Tx. This clinical report describes the fabrication of a mandibular two-implant overdenture using this newly designed attachment system and reviews the different attachment systems currently in clinical use.
[Mh] Termos MeSH primário: Projeto do Implante Dentário-Pivô
Prótese Dentária Fixada por Implante
Retenção de Dentadura/métodos
Revestimento de Dentadura
[Mh] Termos MeSH secundário: Idoso
Análise do Estresse Dentário
Feminino
Seres Humanos
Mandíbula
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE; REVIEW
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170717
[Lr] Data última revisão:
170717
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:170321
[St] Status:MEDLINE
[do] DOI:10.11607/ijp.5068



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