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Indirect tooth restoration

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https://www.readbyqxmd.com/read/28299855/a-systematic-review-and-meta-analysis-of-the-association-between-poor-oral-health-and-substance-abuse
#1
REVIEW
Hooman Baghaie, Steve Kisely, Malcolm Forbes, Emily Sawyer, Dan J Siskind
BACKGROUND AND AIMS: Substance use disorders are associated commonly with comorbid physical illness. There are fewer data on dental disease in these conditions, in spite of high rates of dry mouth (xerostomia), as well as the associated indirect or life-style effects such as poverty and lack of access to care. We compared the oral health of people with substance use disorders (SUDs) with non-using controls. METHOD: This was a systematic search for studies from the last 35 years of the oral health of people reporting SUDs...
March 16, 2017: Addiction
https://www.readbyqxmd.com/read/28288297/early-rehabilitation-of-incisors-with-dentinogenesis-imperfecta-type-ii-case-report
#2
Ana Paula Ca Beltrame, Maíra Mery Rosa, Ricardo At Noschang, Izabel Cs Almeida
Dentinogenesis imperfecta is an phenotypic alteration in the formation of the organic matrix. It causes the rapid and progressive wear of tooth structure, which may compromise tooth function and aesthetics. This is a case of a 1y, 8m-old child with dentinogenesis imperfecta. All teeth presented with an opalescent appearance and grayish color hue. Compromised structural integrity was noted as excessive wear and fracturing of the enamel from the dentin layer. With low doses of midazolam (oral) and chloral hydrate (rectal) administration, in a hospital environment, sedation was used to aid full mouth rehabilitation...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28252424/the-peculiarities-of-treatment-of-uncomplicated-and-complicated-dental-injuries-caused-by-trauma
#3
M Mamaladze, N Nizharadze, O Vadachkoria
Trauma related injuries of permanent teeth occur frequently and are the most pressing issue the dentists are facing today. In different age groups the same type of trauma affects the teeth with different frequencies. For instance, accident related dental trauma in children and adults affected permanent teeth in 30% and deciduous teeth in 20%, respectively. It should also be noted that front teeth are more susceptible to traumatic injuries compared to the incisors. Upper front teeth were injured in 72% of cases, while lower central, upper lateral incisors, canines and premolars only in 6-8%...
January 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28216846/three-dimensional-finite-element-analysis-of-the-stress-distribution-pattern-in-a-mandibular-first-molar-tooth-restored-with-five-different-restorative-materials
#4
Kathleen Manuela D'souza, Meena Ajay Aras
INTRODUCTION: Badly broken or structurally compromised posterior teeth are frequently associated with crown/root fracture. Numerous restorative materials have been used to fabricate indirect full-coverage restorations for such teeth. This study aims to evaluate and compare the effect of restorative materials on the stress distribution pattern in a mandibular first molar tooth, under varying loading conditions and to compare the stress distribution pattern in five commonly used indirect restorative materials...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28089332/lithium-silicate-endocrown-fabricated-with-a-cad-cam-system-a-functional-and-esthetic-protocol
#5
Leonardo Fernandes da Cunha, Carla Castiglia Gonzaga, Janes Francio Pissaia, Gisele Maria Correr
An endocrown restoration is an alternative approach to complete crowns with intraradicular cores or dowels for the restoration of endodontically treated teeth. Endocrowns conserve tooth structure and require fewer dental visits. This approach has been widely used, and various materials and techniques have been reported. Computer-aided design and computer-aided manufacturing (CAD-CAM) systems can generate and store libraries of teeth with various anatomies in their database, and diagnostic tooth waxing may not be required...
January 12, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28057347/sandblasting-may-damage-the-surface-of-composite-cad-cam-blocks
#6
Kumiko Yoshihara, Noriyuki Nagaoka, Yukinori Maruo, Goro Nishigawa, Masao Irie, Yasuhiro Yoshida, Bart Van Meerbeek
OBJECTIVE: CAD-CAM blocks to fabricate semi-direct and indirect restorations are available in different sorts of ceramics as well as composite. In order to bond restorations prepared out of composite blocks into tooth cavities, it is recommended to gently sandblast the surface prior to the application of a primer/adhesive. Today, the effect of sandblasting composite block surfaces has not thoroughly been investigated. In this study, the ultra-structure of composite CAD-CAM blocks was investigated with special attention to the effect of sandblasting on the surface topography and of silanization on the bonding performance...
January 2, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/27982233/fracture-strength-of-weakened-anterior-teeth-associated-to-different-reconstructive-techniques
#7
Mariana Carolina de Lara Ferro, Vivian Colucci, Artur Gaiotto Marques, Ricardo Faria Ribeiro, Yara T C Silva-Sousa, Erica Alves Gomes
This study evaluated the fracture strength of endodontically treated teeth submitted to reconstructive techniques through dynamic and static tests. Forty human anterior teeth were divided into 4 groups (n=10): GNW (non-weakened) - root restored with glass fiber post (GFP), GW - weakened root restored with GFP, GDA - weakened root restored with direct anatomic GFP, and GIA - weakened root restored with indirect anatomic GFP. The teeth were endodontically treated considering that experimental groups (GW, GDA and GIA) simulated weakened roots for restoration with GFP using different techniques...
September 2016: Brazilian Dental Journal
https://www.readbyqxmd.com/read/27892837/conservative-anterior-partial-coverage-cad-cam-restoration
#8
J T May
Computer-aided design and manufacturing technology enables practitioners to create, in a single appointment, indirect restorations that are esthetic and functionally unique to the patient's situation. The popular effort to perform minimally invasive dentistry using digital techniques with chairside milling can lead dentists to novel individualized restorative treatment. This article demonstrates a conservative anterior partial coverage restoration, utilizing both digital technology and chairside ceramic characterization to achieve an optimal esthetic outcome while preserving healthy tooth structure...
March 2017: Operative Dentistry
https://www.readbyqxmd.com/read/27890355/the-effects-of-cavity-margin-angles-and-bolus-stiffness-on-the-mechanical-behavior-of-indirect-resin-composite-class-ii-restorations
#9
Pietro Ausiello, Stefano Ciaramella, Franklin Garcia-Godoy, Antonio Gloria, Antonio Lanzotti, Saverio Maietta, Massimo Martorelli
OBJECTIVE: To study the influence of the different class II mesio-occlusal-distal (MOD) cavity shape on the stress and strain distributions in adhesive indirect restorations, using numerical finite element analysis (FEA). To investigate the relationship between restored teeth failure and stiffness of food, three values of Young's modulus were used for the food. METHODS: A 3D model of a sound lower molar and three class II MOD cavities with different shape were created...
November 24, 2016: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/27875055/intraoral-repair-of-a-glass-ceramic-restoration-with-nanohybrid-ormocers-a-case-report
#10
Juergen Manhart, Iris Frasheri
The interest in repairing failed restorations has been growing; such a procedure may prolong the life span of defective direct and indirect dental restorations. The intraoral repair using resin-based composite materials has major benefits, as it preserves the main body of the restoration, avoids unnecessary removal of sound tooth structure, is an easy and fast treatment, avoids additional appointments, and is inexpensive. This case report demonstrates the use of nanohybrid Ormocer®, or organically modified ceramic, materials...
November 2016: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/27765400/failure-rate-of-single-unit-restorations-on-posterior-vital-teeth-a-systematic-review
#11
REVIEW
Kelvin I Afrashtehfar, Elham Emami, Motahareh Ahmadi, Owis Eilayyan, Samer Abi-Nader, Faleh Tamimi
STATEMENT OF PROBLEM: No knowledge synthesis exists concerning when to use a direct restoration versus a complete-coverage indirect restoration in posterior vital teeth. PURPOSE: The purpose of this systematic review was to identify the failure rate of conventional single-unit tooth-supported restorations in posterior permanent vital teeth as a function of remaining tooth structure. MATERIAL AND METHODS: Four databases were searched electronically, and 8 selected journals were searched manually up to February 2015...
October 17, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27759412/marginal-fit-of-indirect-composite-inlays-using-a-new-system-for-manual-fabrication
#12
COMPARATIVE STUDY
P Pott, A Rzasa, M Stiesch, M Eisenburger
This in vitro study compares a new system for manual chair side fabrication of indirect composite restorations, which uses silicone models after alginate impressions, to CAD/CAM-technology and laboratory manual production techniques. MATRIALS AND METHODS: and study design Each 10 composite inlays were fabricated using different types of production techniques: CAD/CAM- technology (A), the new inlay system (B), plaster model after alginate impression (C) or silicone impression (D). The inlays were adapted into a metal tooth and silicone replicas of the cement gaps were made and measured...
September 2016: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/27693779/managing-molar-incisor-hypomineralization-a-systematic-review
#13
REVIEW
Karim Elhennawy, Falk Schwendicke
OBJECTIVES: We systematically reviewed treatment modalities for MIH-affected molars and incisors. DATA: Trials on humans with ≥1 MIH molar/incisor reporting on various treatments were included. Two authors independently searched and extracted records. Sample-size-weighted annual failure rates were estimated where appropriate. The risk of bias was assessed using the Newcastle-Ottawa scale. SOURCES: Electronic databases (PubMed, Embase, Cochrane CENTRAL, Google Scholar) were screened, and hand searches and cross-referencing performed...
December 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27692583/using-modified-polyetheretherketone-peek-as-an-alternative-material-for-endocrown-restorations-a-short-term-clinical%C3%A2-report
#14
Panagiotis Zoidis, Eleonora Bakiri, Gregory Polyzois
A modified polyetheretherketone (PEEK) framework material veneered with indirect light-polymerized composite resin was used as an alternative material for the fabrication of an endocrown restoration for an extensively damaged molar. The elastic modulus of the polyetheretherketone framework (4 GPa) veneered with indirect composite resin could dampen the occlusal forces protecting tooth structures better than ceramic materials. This is important in the restoration of extensively damaged molars with weak roots...
September 28, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27662604/prognosis-of-indirect-composite-resin-cuspal-coverage-on-endodontically-treated-premolars-and-molars-an-in-vivo-prospective-study
#15
Maria Carlos Real Dias, Jorge N R Martins, André Chen, Sérgio André Quaresma, Henrique Luís, João Caramês
PURPOSE: This prospective clinical study evaluated the success rate of indirect composite resin cuspal coverage on endodontically treated molars and premolars and the survival rate of the restored teeth. MATERIALS AND METHODS: One hundred fifty endodontically treated teeth were restored with total resin cuspal coverage and randomly selected for the study. Patients were recalled after 2 to 5 years for clinical evaluation. Data were subjected to standard tests of statistical correlations using Spearman test...
September 23, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/27556210/comparison-of-the-marginal-adaptation-of-direct-and-indirect-composite-inlay-restorations-with-optical-coherence-tomography
#16
COMPARATIVE STUDY
Ayşe Gözde Türk, Metin Sabuncu, Sena Ünal, Banu Önal, Mübin Ulusoy
OBJECTIVE: The purpose of the study was to use the photonic imaging modality of optical coherence tomography (OCT) to compare the marginal adaptation of composite inlays fabricated by direct and indirect techniques. MATERIAL AND METHODS: Class II cavities were prepared on 34 extracted human molar teeth. The cavities were randomly divided into two groups according to the inlay fabrication technique. The first group was directly restored on cavities with a composite (Esthet X HD, Dentsply, Germany) after isolating...
July 2016: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/27524798/distorted-patterns-of-dentinogenesis-and-eruption-in-msx2-null-mutants-involvement-of-sost-sclerostin
#17
Nawel Amri, Stéphane X Djolé, Stéphane Petit, Sylvie Babajko, Amélie E Coudert, Beatriz Castaneda, Stéphane Simon, Ariane Berdal
The muscle segment homeogenes Msx1 and Msx2 play a major role in tooth and bone formation. Periodontal osteoclast impairment also occurs in Msx2 null mutant mice, which is restored by overexpression of the receptor activator of NF-κB targeted in osteoclast lineage. Here, we investigated the role of Msx2 in dentinogenesis. Experiments were performed on Msx2(-/-) mice and the MDPC-23 odontoblastic cell line. After Msx2 gene silencing, real-time quantitative RT-PCR data showed significant overexpression of Runx2, Bglap, Dspp, and Alpl...
October 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27523636/longevity-of-direct-and-indirect-resin-composite-restorations-in-permanent-posterior-teeth-a-systematic-review-and-meta-analysis
#18
Ana Maria Antonelli da Veiga, Amanda Carneiro Cunha, Daniele Masterson Tavares Pereira Ferreira, Tatiana Kelly da Silva Fidalgo, Thomaz Kauark Chianca, Kátia Rodrigues Reis, Lucianne Cople Maia
OBJECTIVES: The aim of this systematic review and meta-analysis was to assess the differences in clinical performance in direct and indirect resin composite restorations in permanent posterior teeth. SOURCES: PubMed, the Cochrane Library, Web of Science, Scopus, LILACS, BBO, ClinicalTrials.gov and SiGLE were searched without restrictions. STUDY SELECTION: We included randomized clinical trials (RCTs) that compared the clinical performance of direct and indirect resin composite restorations in Class I and Class II cavities in permanent teeth, with at least two years of follow-up...
November 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27479348/effect-of-lithium-disilicate-veneers-of-different-thickness-on-the-degree-of-conversion-and-microhardness-of-a-light-curing-and-a-dual-curing-cement
#19
Nicola Scotti, Allegra Comba, Milena Cadenaro, Luca Fontanive, Lorenzo Breschi, Carlo Monaco, Roberto Scotti
PURPOSE: Various materials and systems for bonding lithium disilicate to the tooth substrate are available to clinicians, who can adapt the materials to each clinical situation to maximize the performance of indirect esthetic restorations. This study aimed to evaluate the degree of conversion (DC) and the microhardness (MH) of a dual-curing and a light-curing cement under lithium disilicate discs of different thicknesses. MATERIALS AND METHODS: A total of 48 lithium disilicate (IPS e...
July 2016: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/27479338/the-resin-bonded-fixed-partial-denture-as-the-first-treatment-consideration-to-replace-a-missing-tooth
#20
Ruud Kuijs, Andy van Dalen, Joost Roeters, Daniel Wismeijer
The resin-bonded fixed partial denture (RB-FPD) is the first restorative treatment option to be considered in cases where one or more teeth are missing. The indications for implants, conventional FPDs, and adhesive FPDs, considering the general and dental conditions of the patient, are discussed in this article. When the RB-FPD is the chosen option, a direct or indirect technique, a cantilever-type or fixed-fixed design, and materials to be used need to be selected. The choice will depend on a variety of factors, such as interproximal space at the connector area, anterior or posterior location, the skills of the dentist, esthetics, and the patient's wishes...
July 2016: International Journal of Prosthodontics
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