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International Journal of Prosthodontics

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https://www.readbyqxmd.com/read/28806432/post-and-core-restoration-of-severely-damaged-permanent-posterior-teeth-in-young-adolescents
#1
Nili Tickotsky, Roy Petel, Yael Haim, Maysa Ghrayeb, Moti Moskovitz
PURPOSE: This retrospective study evaluated the survival rates of postendodontic severely decayed posterior permanent teeth in young adolescents. MATERIALS AND METHODS: A total of 48 teeth (patient age range: 8.8-16.9 years) restored with a Kurer post- and core-system (Anchor System, Kurer K4) were assessed. Follow-up appointments 1 to 6 years posttreatment included radiographs and a clinical examination. RESULTS: A total of 5 teeth (10.4%) were extracted, and 13 restorations (27%) required repair...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28806431/association-between-personality-traits-and-oral-health-related-quality-of-life-a-cross-sectional-study
#2
Javier Montero, Cristina Gómez-Polo
PURPOSE: The aim of this study was to investigate the oral health-related quality of life (OHRQoL) among subjects with typical, atypically positive, and atypically negative personality trait scores within the five basic dimensions of personality (neuroticism, extroversion, openness, agreeableness, and conscientiousness). MATERIALS AND METHODS: A total of 235 subjects not seeking dental treatment were recruited from the families and acquaintances of dental students from the University of Salamanca...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28806430/a-randomized-controlled-trial-of-mastication-with-complete-dentures-made-by-a-conventional-or-an-abbreviated-technique
#3
Cristiane Machado Mengatto, Gustavo Hauber Gameiro, Mario Brondani, C Peter Owen, Michael I MacEntee
PURPOSE: The aim of this randomized clinical trial was to test the hypothesis that there are no statistically significant differences after 3 and 6 months in masticatory performance or chewing ability of people with new complete dentures made by an abbreviated or a conventional technique. MATERIALS AND METHODS: The trial included 20 edentulous participants at a dental school in Brazil assigned randomly to receive dentures made by either a conventional technique involving six clinical sessions or by an abbreviated technique involving three clinical sessions...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28806428/antibacterial-effect-of-provisional-cements-with-incorporated-polyethyleneimine-nanoparticles-an-in-vivo-study
#4
Inbal Ivgi, Ami Smidt, Nathan Zaltsman, Gilad Ben-Gal, Nurit Beyth
PURPOSE: Provisional restorations exhibit various degrees of microleakage when cemented. Incorporation of quaternized polyethyleneimine nanoparticles (QPEI) into provisional cements may be effective against bacteria in vivo. MATERIALS AND METHODS: Nine polymethylmethacrylate provisional restorations in human volunteers were evaluated after cementation with and without QPEI nanoparticles. Bacterial load in the provisional cement was assessed after 1 week of cementation...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28806427/fixed-dental-prostheses-and-single-tooth-crowns-based-on-ceria-stabilized-tetragonal-zirconia-alumina-nanocomposite-frameworks-outcome-after-2-years-in-a-clinical-trial
#5
Fabian Hüttig, Jan P Keitel, Andreas Prutscher, Sebastian Spintzyk, Andrea Klink
PURPOSE: This clinical trial tested bilayered restorations based on ceria-stabilized tetragonal zirconia/alumina frameworks veneered with feldspathic ceramic. MATERIALS AND METHODS: A total of 67 crowns and 40 fixed dental prostheses (FDPs) were luted in 57 patients with self-etching/self-adhesive composite resin cement. Dental status and integrity of restorations were evaluated at 2 weeks, 6 months, and then annually. RESULTS: A total of 66 crowns and 36 FDPs (88% posterior) survived for success rates of 93...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28806426/comparative-evaluation-of-the-effect-of-laser-etching-on-the-shear-bond-strength-of-crowns-cemented-with-two-different-luting-agents-an-in-vitro-study
#6
Ankur Dahiya, Paresh Gandhi, Nadim Z Baba
PURPOSE: The aim of this study was to compare the shear bond strength of crowns cemented on natural teeth after surface treatment of the enamel with an erbium-doped yttrium aluminum garnet (Er:YAG) laser. MATERIALS AND METHODS: Crown preparation was done for 40 full-metal crowns, and wax patterns with loops were cast in a cobalt-chromium alloy. The Er:YAG laser was used for surface treatment of some teeth, and teeth without surface treatment acted as the control...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28806425/impact-of-different-surgeons-on-dental-implant-failure
#7
Bruno Ramos Chrcanovic, Jenö Kisch, Tomas Albrektsson, Ann Wennerberg
PURPOSE: To assess the influence of several factors on the prevalence of dental implant failure, with special consideration of the placement of implants by different dental surgeons. MATERIALS AND METHODS: This retrospective study is based on 2,670 patients who received 10,096 implants at one specialist clinic. Only the data of patients and implants treated by surgeons who had inserted a minimum of 200 implants at the clinic were included. Kaplan-Meier curves were stratified with respect to the individual surgeon...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28806424/geometric-evaluation-of-the-effect-of-prosthetic-rehabilitation-on-the-facial-appearance-of-mandibulectomy-patients-a-preliminary-study
#8
Amel M Aswehlee, Mahmoud E Elbashti, Mariko Hattori, Yuka I Sumita, Hisashi Taniguchi
PURPOSE: The purpose of this study was to geometrically evaluate the effect of prosthetic rehabilitation on the facial appearance of mandibulectomy patients. MATERIALS AND METHODS: Facial scans (with and without prostheses) were performed for 16 mandibulectomy patients using a noncontact three-dimensional (3D) digitizer, and 3D images were reconstructed with the corresponding software. The 3D datasets were geometrically evaluated and compared using 3D evaluation software...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28750109/comparison-of-fixed-dental-prostheses-with-zirconia-and-metal-frameworks-five-year-results-of-a-randomized-controlled-clinical-trial
#9
Irena Sailer, Marc Balmer, Jürg Hüsler, Christoph Hans Franz Hämmerle, Sarah Känel, Daniel Stefan Thoma
PURPOSE: The aim of this study was to test whether posterior zirconia-ceramic (ZC) and metal-ceramic (MC) fixed dental prostheses (FDPs) exhibit similar survival and technical/biologic complication rates. MATERIALS AND METHODS: A total of 58 patients in need of 76 posterior FDPs were randomly assigned to receive 40 ZC and 36 MC FDPs. The restorations were examined at baseline (cementation) and yearly for 5 years. Technical and biologic outcomes were compared. The independent treatment groups were compared with nonparametric Mann-Whitney test for metric variables and with Fisher exact test for categoric data...
July 27, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28750108/occlusal-support-and-temporomandibular-disorders-among-elderly-vietnamese
#10
Minh Son Nguyen, Triin Jagomägi, Toai Nguyen, Mare Saag, Ülle Voog-Oras
PURPOSE: The aim of this study was to analyze the associations between missing teeth, occlusal support, and temporomandibular disorders (TMD) among elderly Vietnamese. MATERIALS AND METHODS: The study consisted of 145 TMD and 112 non-TMD (control group) participants aged 65 to 74 years. TMD was evaluated using Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) Axis I. An occlusal unit (OU) was defined as the cusp of a tooth coupled with the fossa of its antagonist tooth...
July 27, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28750107/practice-based-longitudinal-study-of-multifactorial-risk-assessment-for-periodontal-condition-and-survival-of-remaining-teeth-in-patients-with-removable-partial-dentures
#11
Shigeto Koyama, Takeshi Fuji, Takashi Ohi, Kenji Kadowaki, Nobuhiro Yoda, Keiichi Sasaki
PURPOSE: This retrospective cohort study examined factors affecting the periodontal condition and survival of remaining teeth 5 years after removable partial denture (RPD) placement using multivariate analyses. MATERIALS AND METHODS: Of 231 patients who received RPDs at Tohoku University Hospital, 108 patients who had agreed to undergo a 5-year follow-up were examined. The outcomes of RPD treatment were assigned to one of three categories: successful (n = 58), remake (n = 36), and failure (n = 14)...
July 27, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28750106/diagnostic-classification-and-design-considerations-for-implant-supported-fixed-partial-dentures-and-screw-access-channel-the-abc-pbc-and-sac-classifications
#12
Abdulaziz AlHelal, Mathew T Kattadiyil, Jefferson L Clark, Bader AlBader
Logical categorization of implant-supported fixed partial dentures (ISFPDs) based on implant angulation, abutment type, and screw access channel (SAC) design for screw-retained restoration is not available in the literature. This article proposes a simple classification system to describe implant angulations and prosthesis design affecting abutment selection (engaging or nonengaging) for ISFPDs. An additional classification that addresses screw access channel designs is also introduced. These classifications provide clear interpretation of clinical scenarios for ISFPD design consideration and a basis for categorization of future complications...
July 27, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28750105/additive-manufacturing-techniques-in-prosthodontics-where-do-we-currently-stand-a-critical-review
#13
Nawal Alharbi, Daniel Wismeijer, Reham B Osman
PURPOSE: The aim of this article was to critically review the current application of additive manufacturing (AM)/3D-printing techniques in prosthodontics and to highlight the influence of various technical factors involved in different AM technologies. MATERIALS AND METHODS: A standard approach of searching MEDLINE, EMBASE, and Google Scholar databases was followed. The following search terms were used: (Prosth* OR Restoration) AND (Prototype OR Additive Manufacture* OR Compute* OR 3D-print* OR CAD/CAM) AND (Dentistry OR Dental)...
July 27, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28859182/evaluation-of-a-new-ultrasonic-insert-for-prosthodontic-preparation
#14
Domenico Baldi, Maria Menini, Jacopo Colombo, Enrico Lertora, Paolo Pera
PURPOSE: This paper describes a new ultrasonic instrument (tipholder DB1 with crown prep tip inserts) designed to optimize prosthodontic margin repositioning and finishing. MATERIALS AND METHODS: The insert movement was assessed, and it was demonstrated that tipholder DB1 provides its inserts with an elliptical-like movement, making the entire insert surface able to cut. Then, 20 extracted teeth were prepared using tipholder DB1, sonic instruments, and traditional drills...
September 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28859181/clinical-application-of-newly-developed-custom-made-mouthpiece-for-scuba-diving
#15
Toshiaki Hirose, Tomoya Gonda, Yoshinobu Maeda
PURPOSE: To describe a method for customizing scuba diving mouthpieces, to examine their usability, and to assess divers' satisfaction with their use. MATERIALS AND METHODS: A rational method for fabricating custom-made mouthpieces for scuba diving was developed. Twenty scuba divers agreed to use a custom-made mouthpiece for at least 4 weeks. After mouthpiece use, participants completed an 11-item questionnaire. RESULTS: Custom-made mouthpieces had significantly lower scores for all items on the questionnaire except uncomfortable sensation, indicating that they were more comfortable than ready-made mouthpieces...
September 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28859180/long-term-outcome-of-speech-intelligibility-in-maxillary-dental-rehabilitation-with-full-dentures-a-prospective-study-using-automatic-speech-quantification
#16
Florian Stelzle, Max Riemann, Alfred Klein, Nicolai Oetter, Maximilian Rohde, Andreas Maier, Stephan Eitner, Friedrich Wilhelm Neukam, Christian Knipfer
AIMS: Complete maxillary edentulism and prosthetic rehabilitation with removable full dentures are known to affect speech intelligibility. The aim of this study was to prospectively investigate the long-term effect of time on speech intelligibility in patients being rehabilitated with newly fabricated full maxillary dentures. MATERIALS AND METHODS: Speech was recorded in a group of 14 patients (male = 9, female = 5; mean age ± standard deviation [SD] = 66.14 ± 7...
September 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28806429/current-concepts-of-bruxism
#17
Daniele Manfredini, Junia Serra-Negra, Fabio Carboncini, Frank Lobbezoo
Bruxism is a common phenomenon, and emerging evidence suggests that biologic, psychologic, and exogenous factors have greater involvement than morphologic factors in its etiology. Diagnosis should adopt the grading system of possible, probable, and definite. In children, it could be a warning sign of certain psychologic disorders. The proposed mechanism for the bruxism-pain relationship at the individual level is that stress sensitivity and anxious personality traits may be responsible for bruxism activities that may lead to temporomandibular pain, which in turn is modulated by psychosocial factors...
September 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28697214/facilitation-of-prosthetic-rehabilitation-in-scleroderma-case-history-report
#18
Azam S Mostafavi, Mohammadreza Hajimahmoudi
Dental management of scleroderma patients is difficult and complicated because of compromised intraoral access. Physiotherapy may play an adjunctive and effective treatment role as described in a follow-up report on a previously documented case history.
July 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28697213/mega-abrasion-case-history-report-on-management-of-a-fluorosis-affected-patient
#19
Stefano Ardu
Different approaches ranging from veneers and crowns to employing the more conservative use of freehand resin composites have been proposed to correct esthetic problems caused by enamel fluorosis (EF). However, the protocol of mega-abrasion followed by microabrasion may be used as an alternative. It is less invasive and can minimize the unesthetic brown-to-whitish spots caused by EF. This article describes an easy and low-cost technique for managing enamel defects in a patient with severe enamel fluorosis.
July 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28697212/maxillary-implant-prosthodontic-treatment-using-digital-laboratory-protocol-for-a-patient-with-epidermolysis-bullosa-a-case-history-report
#20
Rubén Agustín-Panadero, Blanca Serra-Pastor, David Peñarrocha-Oltra, Miguel Peñarrocha-Diago
Epidermolysis bullosa belongs to a group of genetic diseases that present with skin disorders and is characterized by generalized blister formation in response to mechanical trauma. This article reports on the management of a recessive dystrophic epidermolytic patient with four remaining periodontally compromised maxillary teeth. Treatment involved placement of four maxillary implants and use of computer-aided design/computer-assisted manufacture techniques to fabricate a fixed full-arch implant-supported prosthesis...
July 2017: International Journal of Prosthodontics
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