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European Journal of Prosthodontics and Restorative Dentistry

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https://www.readbyqxmd.com/read/27424339/zirconia-rehabilitation-focused-on-the-emergence-profile-a-case-report
#1
Alfredo Mikail Melo Mesquita, Alberto Noriyuki Kojima, Elcio Madaglena Giovani, Cintia Helena Coury Saraceni, Flávia Pires Rodrigues
The first choice for anterior rehabilitation has been metal-free materials due to their successful aesthetic results. However, the definitive clinical work accuracy may be affected by the lack of clinicians' expertise and familiarization with the latest techniques, as well as recurrent laboratory procedures. This manuscript presents a clinical experience with zirconia ceramic for anterior crowns and zirconia CAD/CAM abutments, including both clinical and laboratory steps after the implant installation. The 'emergence profile' and the 'double scanning' techniques obtained by the waxing technique appear to be a very promising procedure for aesthetic improvement of the single-implant zirconia restoration in anterior teeth...
June 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/27424338/the-effect-of-a-radiation-positioning-stent-rps-in-the-reduction-of-radiation-dosage-to-the-opposing-jaw-and-maintenance-of-mouth-opening-after-radiation-therapy
#2
COMPARATIVE STUDY
Suresh Nayar, Rachel Brett, Naomi Clayton, Jenny Marsden
The effect of a radiation positioning stent (RPS) in radiation dosage reduction to the opposing jaw and maintenance of mouth opening was audited. 55 Head and Neck cancer patients who received radiotherapy were reviewed. Radiation dosages at similar points in the primary/opposing jaws were measured along with the mouth opening. Results showed a significant reduction in the radiation dosage to the opposing jaw in patients given the RPS. Mouth opening was generally maintained in patients given the RPS (77.7% improvement in mouth opening) compared to patients without RPS...
June 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/27424337/a-10-year-clinical-evaluation-of-resin-bonded-fixed-dental-prostheses-on-non-prepared-teeth
#3
Morakot Piemjai, Mutlu Özcan, Franklin Garcia-Godoy, Nobuo Nakabayashi
This study evaluated the conditions of the non-invasive resin-bonded fixed dental prostheses (FDP) and patient satisfaction up to 10 years of clinical function. A total of 23 patients who required fixed prostheses in the areas of mandibular anterior and premolar, and maxillary anterior region received resin-bonded restorations between 1999-2003. In 13 patients with 14 edentulous areas were restored with an adhesive pontic (natural tooth, acrylic and porcelain). Two indirect proximal veneers using resin composite were placed in each space in 10 patients having 13 edentulous spaces...
June 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/27424336/oral-health-status-of-patients-undergoing-treatment-for-head-and-neck-oncology-in-northern-ireland
#4
Ciaran Moore, Simon Killough, Neill Markey, Lewis Winning, Gerald McKenna
This study aimed to collect data on the oral health status of patients undergoing treatment for head and neck oncology across Northern Ireland. Data were collected on all patients referred to the Northern Ireland Multidisciplinary Head and Neck Oncology Team for discussion and treatment planning. Each patient underwent pre-treatment dental assessment in the Centre for Dentistry, Queen's University Belfast, between June 2013 and November 2014. Data were collected from clinical oral examinations supplemented with intra-oral radiographs...
June 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/27424335/an-investigation-into-the-integrity-of-fit-of-provisional-crowns-using-current-proprietary-temporary-crown-materials
#5
COMPARATIVE STUDY
Philip D Taylor, Georgios Georgakis, Jason Niggli
Three methods of direct provisional crown construction were investigated for accuracy of marginal fit. A modified proprietary crown coping was compared to Bis GMA and isobutyl methacrylate resin provisional crowns with margins modified by using a flowable composite and 'bead on' isobutyl methacrylate respectively. Measurement was at 50x magnification at seven sites over the fit surface. Data was analyzed using SPSS version 13.0.1 and measurement compared using the Mann Whitney test set at a significance level of 0...
June 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/27039478/implant-treatment-in-patients-with-sjogren-s-syndrome-a-review-of-the-literature-and-two-clinical-case-reports
#6
REVIEW
Despoina Chatzistavrianou, Shakeel Shahdad
Implant rehabilitation in patients with Sjogren's Syndrome is reported to offer an improvementin the quality of life, but the scientific evidence on implant survival in patients with Sjogren's Syndrome is scarce. The paper presents a review of the literature on the performance of dental implants in patients with Sjogren's Syndrome and two case reports of patients with Sjogren's Syndrome treated successfully with dental implants. Two female patients suffering from Sjogren's Syndrome were rehabilitated with implant-supported prostheses...
March 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/27039477/prosthodontic-rehabilitation-for-a-patient-with-ellis-van-creveld-syndrome-a-case-report
#7
Muhammad Musaab Siddiqui, Philip D Taylor
Patients suffering from Ellis-Van-Creveld syndrome are a challenge for dental management. Aesthetics are a major concern with limited manual dexterity, making choice of treatment critical. A 38 year old female diagnosed with Ellis-Van-Creveld syndrome presented with stained teeth and un-aesthetic smile and related that to her low self-esteem and depression. Intra-oral examination revealed mal-aligned megadont central incisors in the maxillary arch, fused mandibular canines with laterals and missing central incisors with space discrepancy and pronounced reverse over jet and overbite...
March 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/27039476/prosthetic-complications-and-maintenance-requirements-in-locator-attached-implant-supported-overdentures-a-retrospective-study
#8
Frank Engelhardt, Florian Zeman, Michael Behr, Sebastian Hahmel
Retrospective data of 32 patients supplied with implant-supported and Locator-attached overdentures were screened for prosthetic complications and maintenance requirements, which were recorded and statistically analyzed. Mean observation time was 4.78 ± 1.72) years. Loss of retention was the most frequently observed event (n = 22). Damage and exchange of the insert holders (n = 4) and loosening of locator attachments (n = 2) and fracture of the insert holder (n = 2) were uncommon events; no loss of locator attachments was observed...
March 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/27039475/zirconia-abutment-supporting-all-ceramic-crowns-in-the-esthetic-zone-interim-results-of-a-prospective-study
#9
Thais Camargo Bittencourt, Cleide Gisele Ribeiro, Karina Lopes Devito, Cimara Fortes Ferreira, David Richard Cagna, Neuza Maria Souza Picorelli
AIM: This prospective study evaluated peri-implant tissues around all-ceramic crowns fabricated using CAD/CAM technology. MATERIAL AND METHODS: Twenty-five patients received pre-fabricated zirconia implant abutments with CAD/CAM zirconia copings in the esthetic zone. Implants were evaluated at baseline, and at 3 and 6 months in function. RESULTS: Radiographic analyzes showed stable bone crest around the implants. Esthetics were more favorable as time lapsed (p > 0...
March 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/27039474/impact-of-referral-protocols-on-the-dental-management-of-patients-undergoing-treatment-for-head-and-neck-oncology-in-northern-ireland
#10
COMPARATIVE STUDY
Ciaran Moore, Simon Killough, Neill Markey, Conor McLister, Gerald McKenna
Management of head and neck oncology necessitates an extensive multidisciplinary approach. Throughout Northern Ireland all oral care for Head and Neck Oncology patients is overseen within the Centre for Dentistry, Queens University Belfast via referral from the Head and Neck Multidisciplinary Team. The aim of this study was to develop and introduce a referral pro-forma to improve communication between members of the multidisciplinary team and ultimately expedite provision of oral care prior to patients undergoing treatment for Head and Neck Oncology...
March 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/27039473/the-accuracy-of-fit-of-crowns-made-from-wax-patterns-produced-conventionally-hand-formed-and-via-cad-cam-technology
#11
COMPARATIVE STUDY
Hawa M Fathi, Azal H Al-Masoody, Narjes El-Ghezawi, Anthony Johnson
OBJECTIVE: The aim of this study was to compare the marginal and internal fit accuracy of crowns constructed using three different wax production methods; conventional, milled, and 3D printed and utilizing three different cement gap thicknesses. METHODS: 15 identical stone dies were made for each method. Wax patterns were produced and then cast into metal crowns, which were assessed for differences in accuracy of both marginal and internal fit. Measurement points were 4 points per crown; occlusal, axial, marginal gap, and marginal discrepancy points...
March 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/27039472/low-energy-surface-activation-of-zirconia-based-restorations
#12
COMPARATIVE STUDY
Moustafa N Aboushelib
PURPOSE: To evaluate the influence of low energy surface activation technique on the biaxial flexure strength of zirconia frameworks. MATERIALS AND METHODS: Zirconia discs were prepared by cutting CAD/CAM zirconia blocks. Sintered discs were airborne particle abraded using one of the following particles: 30 μm alumina particles, 50 μm alumina particles, or modified round edges 30 μm alumina particles at low pressure. Scanning electron microscopy, x-ray diffraction analysis, surface roughness, and biaxial flexure strength tests were performed (n = 20)...
March 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/26767244/cast-titanium-for-obturator-framework-construction-in-maxillofacial-prosthodontics
#13
George K Bourne, Andrew J Barber, Paul H R Wilson
A 37 year old male presented with the complaint of a loose and bulky acrylic obturator prosthesis. He had previously tried to using a different acrylic obturator prostheses as well as both cobalt chromium and titanium framework obturators. The most successful previous prosthesis was a titanium based obturator which had performed well prior to a fractured clasp. Accordingly, following an exploration of the available surgical and prosthodontic treatment options, a further tooth borne partial maxillary obturator was provided successfully...
December 2015: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/26767243/the-modified-semidirect-onlay-technique-with-articulated-elastic-model
#14
Efstratios Papazoglou, Sofia Diamantopoulou
The modified semidirect onlay technique with articulated elastic model involves the fabrication of a stone model that is quickly mounted on an articulator and it includes an elastic part that enables the fabrication of a restoration with proper occlusal anatomy. The technique overcomes the disadvantages of the direct technique such as polymerization shrinkage stress and difficulty in achieving proper contours and, compared to the indirect technique, treatment is completed in a single appointment, without laboratory cost...
December 2015: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/26767242/prevalence-of-peri-implant-diseases-analyses-of-associated-factors
#15
Cimara Fortes Ferreira, André R Buttendorf, João Gustavo Oliveira de Souza, Haline Dalago, Schuldt Filho Guenther, Marco A Bianchini
UNLABELLED: AIM. Identify the relationship between specific factors (age, sex, smoking, time of prosthesis in function, implant location, and width of peri-implant keratinized mucosa) and peri-implant diseases in patients from the Center of Research and Continuing Education in Implant Dentistry (CEPID) at the Federal University of Santa Catarina (UFSC), Brazil. MATERIALS AND METHODS: A cross-sectional study was conducted in 193 patients that had received 725 external-hexed cylindrical implants supporting functional prosthesis for at least 1 year (range from 1-9 years)...
December 2015: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/26767241/the-effect-of-disinfection-techniques-on-the-flexural-strength-of-thermopolymerisable-acrylic-resins-with-or-without-pigment-addition
#16
Marcelo Coelho Goiato, Bruna Carolina Rossatti Zuccolotti, Marcela Filié Haddad, Amália Moreno, Aldiéris Alves Pesqueira, Humberto Filho Gennari, Daniela Micheline Dos Santos
OBJECTIVES: The aim of this study was to assess the flexural strength of two brands of thermopolymerisable acrylic resins (Onda Cryl, Artigos Odontológicos Clássico Ltda, São Paulo, SP, Brazil; and Lucitone 550, Dentsply, York, PA, USA) with varying concentrations of pigment (Poli-Côr, Artigos Odontológicos Clássico Ltda, São Paulo, SP, Brazil) under the influence of thermocycling, storage and disinfection. MATERIAL AND METHODS: A total of 210 samples were manufactured (105 for each acrylic resin brand), with dimensions of 64 x 10 x 3...
December 2015: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/26767240/effectiveness-of-disposable-single-use-tips-for-dental-air-water-syringes
#17
Catherine Edwards, Vincent Bennani, Nicholas Chandler, Bronwyn Lowe
BACKGROUND: Single-use dental syringe (SUS) tips eliminate cross-infection risks. Many dental materials are moisture sensitive; therefore bonding could be affected by remaining moisture from SUS tips. METHODS: An air-water syringe was calibrated to 50 PSI and the air pressure measured. SUS tips were then attached and pressure re-measured. Seven tips were tested; moisture content and spray pattern were investigated. Ethical approval was granted. Twenty third molar teeth were sectioned, stored in phosphate buffered saline and randomly allocated into groups with a SUS tip...
December 2015: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/26767239/in-vitro-effects-of-2-5-titanium-tetrafluoride-on-streptococcus-mutans-and-lactobacillus-casei-in-dentin-followed-by-self-etching-adhesive-systems
#18
Enrico Coser Bridi, Amaral Flávia Lucisano Botelho, França Fabiana Mantovani Gomes, Turssi Cecilia Pedroso, Flávia Martão Florio, Roberta Tarkany Basting
The aim was to evaluate the effect of a 2.5% titanium tetrafluoride (TiF4) solution followed by self-etching adhesives against Streptococcus mutans/Sm and Lactobacillus casei/Lc. Four cylindrical-shaped cavities were performed on each dentin surface of 40 third molars and contaminated with Sm or Lc. Each one of the four cavities received one of the following treatments (n = 10): 1) control; 2) TiF4; 3) Clearfil SE Bond/CSE or Adper EasyOne/AEO; 4) TiF4 followed by CSE or AED. ANOVA was applied to data. The TiF4 solution showed an antimicrobial effect, although the TiF4 used for dentin pretreatment before CSE or AEO showed no influence on antimicrobial effect...
December 2015: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/26767238/evaluation-of-chlorine-dioxide-irrigation-solution-on-the-microhardness-and-surface-roughness-of-root-canal-dentin
#19
Nidambur Vasudev Ballal, Deepika Khandewal, Saravana Karthikeyan, Krishnaraj Somayaji, Federico Foschi
The aim of this study was to evaluate the effect of chlorine dioxide and various other more common irrigation solutions on the microhardness and surface roughness of root canal dentin. Fifty human maxillary central incisors were sectioned longitudinally and treated for 1 minute with 5 ml of the following aqueous solutions (v/v%): Group 1: 13.8% chlorine dioxide, Group 2: 17% ethylene diamine tetraacetic acid (EDTA). Group 3: 7% maleic acid, Group 4: 2.5% sodium hypochlorite (5 ml/min), Group 5: Saline (control)...
December 2015: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/26767237/replacing-amalgam-restorations-a-standardized-protocol-based-on-analyzing-tissue-physicochemical-modifications
#20
Franck Decup, Alexandre Epaillard, Florence Chemla
Almost 60% of operative dentistry is devoted to replacing restorations. When practitioners have to replace an amalgam restoration, they tend to opt for an adhesive restoration, as it is conservative of tooth tissues and mimics the natural appearance of teeth. Based on a literature review, the aim of this article is to determine the best tissue approach when replacing an old amalgam by a new adhesive restoration. After analyzing and understanding tissue alterations due to the amalgam corrosion process, the authors propose an analytical approach to managing the situation...
December 2015: European Journal of Prosthodontics and Restorative Dentistry
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