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https://www.readbyqxmd.com/read/29451648/3-d-finite-element-analysis-of-the-effects-of-post-location-and-loading-location-on-stress-distribution-in-root-canals-of-the-mandibular-1st-molar
#1
Hong Gi Yoon, Hyun Keun Oh, Dong-Yul Lee, Joo-Hee Shin
Objective The purpose of this study was to evaluate, by using finite element analysis, the influence of post location and occlusal loading location on the stress distribution pattern inside the root canals of the mandibular 1st molar. Material and Methods Three different 3-D models of the mandibular 1st molar were established: no post (NP) - a model of endodontic and prosthodontic treatments; mesiobuccal post (MP) - a model of endodontic and prosthodontic treatments with a post in the mesiobuccal canal; and distal post (DP) - a model of endodontic and prosthodontic treatments with a post in the distal canal...
2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29437847/dental-students-perceived-clinical-competence-in-prosthodontics-comparison-of-traditional-and-problem-based-learning-methodologies
#2
Javier Montero, Abraham Dib, Yasmina Guadilla, Javier Flores, Juan Antonio Santos, Rosa Anaya Aguilar, Cristina Gómez-Polo
The aim of this study was to compare the perceived competence for treating prosthodontic patients of two samples of fourth-year dental students: those educated using traditional methodologies and those educated using problem-based learning (PBL). Two cohorts of fourth-year dental students at a dental school in Spain were surveyed: the traditional methods cohort (n=46) was comprised of all students in academic years 2012 and 2013, and the PBL cohort (n=57) was comprised of all students in academic years 2014 and 2015...
February 2018: Journal of Dental Education
https://www.readbyqxmd.com/read/29430787/overdenture-prostheses-with-metal-copings-a-retrospective-analysis-of-survival-and-prosthodontic-complications
#3
Anuj Chhabra, Nidhi Chhabra, Anurag Jain, Debipada Kabi
PURPOSE: To retrospectively evaluate complications associated with overdentures and abutment teeth restored with metal copings, including post-procedural and prosthetic problems; also to analyze the frequency and influencing factors associated with these problems. MATERIALS AND METHODS: A total of 80 subjects (48 females, 32 males, mean age 62 years) wearing root-supported overdentures were enrolled in the study. All participants were thoroughly examined by a single examiner, and appropriate maintenance care was performed...
February 11, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29430139/cytotoxic-effect-of-indigenously-fabricated-dental-magnets-for-application-in-prosthodontics
#4
Satyabodh Shesharaj Guttal, Ramesh K Nadiger, Pravinkumar Shetty
Context: Dental magnets are used for retaining removable prostheses such as a removable partial denture, complete denture, and maxillofacial prosthesis. They provide good retention for the prostheses. However, the elements released from the magnets may be cytotoxic for the tissues. Therefore, it is necessary to evaluate their cytotoxic effect on cell lines. Aim: The aim of the study is to check the cytotoxic effect of indigenously fabricated dental magnets on animal cell lines...
January 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29429238/-research-status-of-tooth-preparation-quantitative-guide-technique
#5
Z Y Li, H F Bai, Y Wang, Y C Sun
Tooth preparation is a basic operation in prosthodontics treatment and the quality of preparation influences the effect of treatment directly. How to achieve a precise and quantitative tooth preparation is always one of the main aims of dental prosthodontics. The known types of tooth preparation guide technique can be divided into visual guidance, passive constraint guidance and active constraint guidance (automated tooth preparation), respectively represented by silicon rubber index, tooth preparation guide plate and computerized numerical control cutting system (CNC cutting system)...
February 9, 2018: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/29424934/effect-of-individual-structured-and-qualified-feedback-on-improving-clinical-performance-of-dental-students-in-clinical-courses-randomised-controlled-study
#6
I M Schüler, R Heinrich-Weltzien, M Eiselt
AIM: Analysis of the effect of individual structured and qualified feedback (FB) on practical skills development of dental students during clinical courses. METHODS: Fifty-three final-year dental students at Jena University Hospital participated in this prospective randomised controlled interventional study. Two calibrated assessors evaluated 128 pre- and post-assessments of 4 different dental treatment steps performed by dental students during the integrated clinical course in restorative dentistry and prosthodontics and the clinical course paediatric dentistry...
February 9, 2018: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
https://www.readbyqxmd.com/read/29422560/aesthetic-possibilities-in-removable-prosthodontics-part-2-start-with-the-face-not-the-teeth-when-rehearsing-lip-support-and-tooth-positions
#7
J N Besford, A F Sutton
Even dentures exhibiting superb aesthetics are of no use if they visibly move during speech and social intercourse. In this, the second paper of three on removable denture aesthetics, we describe impression making and shaping the wax occlusal record rims. Not only are the impressions important for producing dentures with maximum retention, stability and support, but their extensions and the thickness of their borders have a decisive influence on lip support and profile. This article shows how the contours of the definitive impressions and the wax rims are developed so as to prescribe the overall form of the replacement gums and teeth...
February 9, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29417573/smile-aesthetics-satisfaction-scale-development-and-validation-of-a-new-brief-five-item-measure-of-satisfaction-with-smile-aesthetics-in-adults-and-the-elderly
#8
Vlatka Lajnert, Daniela Kovacevic Pavicic, Andrej Pavlic, Alessandra Pokrajac-Bulian, Stjepan Spalj
OBJECTIVE: To create and validate a brief questionnaire designed for the assessment of satisfaction with smile aesthetics and to test its efficiency as a patient-centred outcome measure of aesthetic interventions in dentistry. MATERIALS AND METHODS: A team of three specialists - two from prosthodontics and one psychologist - used a self-evaluation scale consisting of five elements in order to rate self-perceived smile aesthetics. A total of 671 subjects (63% female), 18-86 years of age, were included in the investigation...
February 7, 2018: International Dental Journal
https://www.readbyqxmd.com/read/29407506/interdisciplinary-treatment-of-a-patient-with-multiple-missing-teeth-and-periodontitis
#9
Jae-Chan Ahn, Jae-Hong Lee, Joon-Ho Yoon, Ji-Yeon Lee, Jung-Hoon Kim
A 49-year-old woman with several missing and periodontically compromised teeth was referred to the orthodontic department of National Health Insurance Service Ilsan Hospital by the periodontic department for interdisciplinary treatment. Multiple posterior teeth had been extracted 10 days earlier. Her chief complaint was crowding of the anterior teeth, and she wanted to improve both esthetics and function. Orthodontic, periodontic, and prosthodontic treatments were undertaken in the proper timing and sequence with an interdisciplinary approach...
February 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29405300/evidence-of-effectiveness-of-preventive-dental-care-in-reducing-dental-treatment-use-and-related-expenditures
#10
Nadereh Pourat, Moonkyung Kate Choi, Xiao Chen
OBJECTIVES: Preventive dental health services are intended to reduce the likelihood of development of tooth decay and the need for more intensive treatment overtime. The evidence on the effectiveness of preventive dental care in reducing treatment services and expenditures is lagging for adults, particularly those with lower incomes and chronic conditions. We assessed the impact of preventive dental services on dental treatment service use and expenditures overall and by category of service...
February 6, 2018: Journal of Public Health Dentistry
https://www.readbyqxmd.com/read/29389350/dental-considerations-and-the-role-of-prosthodontics-and-maxillofacial-prosthetics-in-facial-transplantation
#11
Natalie M Plana, João Malta Barbosa, J Rodrigo Diaz-Siso, Lawrence E Brecht, Eduardo D Rodriguez
BACKGROUND: Facial transplantation (FT) is a challenging reconstructive endeavor that requires the expertise of a multidisciplinary team. The specific role of maxillofacial prosthodontists has not yet been reported in detail. METHODS: This review considers the contributions of prosthodontists throughout the FT process, from patient selection and dental evaluation to long-term dental rehabilitation of the transplant patient postoperatively. Moreover, considerations of dental management are evaluated...
February 2018: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29387619/factors-affecting-the-survival-rate-of-dental-implants-a-retrospective-study
#12
Sonal Raikar, Pratim Talukdar, Sarala Kumari, Sangram Kumar Panda, Vinni Mary Oommen, Arvind Prasad
Aims and Objectives: Dental implants have emerged as new treatment modality for the majority of patients and are expected to play a significant role in oral rehabilitation in the future. The present study was conducted to assess various factors affecting the survival rate of dental implants. Materials and Methods: The present retrospective study was conducted in the Department of Prosthodontics. In this study, 5200 patients with dental implants which were placed during June 2008-April 2015 were included...
November 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29380448/longitudinal-assessment-of-denture-maintenance-needs-in-an-overdenture-population
#13
Ronald L Ettinger, Fang Qian
PURPOSE: To evaluate the longitudinal denture maintenance needs of a tooth-supported overdenture population. MATERIALS AND METHODS: This prospective cohort study was composed of patients who had received tooth-supported overdentures from 1974 to 1994 in the Department of Prosthodontics, University of Iowa. There were 272 persons with 662 abutments who fulfilled the inclusion criteria. To simplify analysis and reduce the number of confounding variables, only those participants wearing complete maxillary dentures and opposing complete mandibular overdentures supported by teeth #22 and #27 were included in this analysis...
January 29, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29369088/free-flaps-for-head-and-neck-cancer-in-paediatric-and-neonatal-patients
#14
Ross Elledge, Satyesh Parmar
PURPOSE OF REVIEW: To review recent literature on the subject of free tissue transfer options in paediatric head and neck surgery, with a particular emphasis on highlighting the advantages and disadvantages of different reconstructions in the paediatric patient. RECENT FINDINGS: Free tissue transfer in paediatric patients is predictable and applicable for a wide range of congenital and acquired defects in the head and neck. The free fibula flap is a mainstay of mandibular reconstruction and allows excellent implant-supported prosthodontic rehabilitation and growth potential at the recipient site with little or no donor site morbidity...
January 22, 2018: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/29362635/prosthodontic-rehabilitation-of-patient-with-anterior-hyper-function-syndrome
#15
Vesna Korunoska-Stevkovska, Ljuben Guguvcevski, Zaklina Menceva, Nikola Gigovski, Aneta Mijoska, Julijana Nikolovska, Emilija Bajraktarova-Valjakova
BACKGROUND: The success of prosthetic rehabilitation in patients with removable dentures depends on the achievement of the aesthetics, phonetics and most of all, proper use in the mastication process. All the patients that receive removable prostheses need a feeding education program. They must cut the food into smaller pieces, extend the length of time necessary for chewing and place the food upon both the right and left sides of the mouth at once. Bilaterally chewing with dentures will contribute to increased efficiency and denture stability during mastication...
December 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29360491/long-term-implant-performance-and-patients-satisfaction-in-oligodontia
#16
Marieke A P Filius, Arjan Vissink, Marco S Cune, Gerry M Raghoebar, Anita Visser
OBJECTIVES: To assess long-term (≥10 years) implant survival, peri-implant health, patients' satisfaction and oral health related quality of life (OHQoL) in oligodontia patients rehabilitated with implant-based fixed prosthodontics. METHODS: All oligodontia patients treated ≥10 years previously with implant-based fixed prosthodontics at the University Medical Center Groningen, The Netherlands, were approached to participate. Clinical (plaque index, bleeding index, pocket probing depth) and radiographic (marginal bone level) data were collected between February and May 2016...
January 19, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29358547/pre-endodontic-post-and-core-technique-for-endodontic-and-prosthodontic-treatment
#17
Keita Sasaki, Takatsugu Yamamoto, Tomoko Ikawa, Yuko Shigeta, Shuji Shigemoto, Eriko Ando, Takumi Ogawa, Keisuke Ihara
INTRODUCTION: Displacement of provisional fixed prostheses may result in undesirable and embarrassing outcomes in dental treatments, especially in endodontic treatment. Development of certain counter measures has been necessary to avoid such discomforts. AIM: The aim of this report was to propose a pre-endodontic post and core technique to achieve smooth progress of the treatment. MATERIALS AND METHODS: The patient was a 59-year-old male diagnosed with an infraocclusion caused by wear of his teeth...
January 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29358546/disinfectant-efficacy-of-0-525-sodium-hypochlorite-and-epimax-on-alginate-impression-material
#18
Gopal Krishna Choudhury, Rajkiran Chitumalla, Litto Manual, Santosh Kumar Rajalbandi, Mahinder Singh Chauhan, Pratim Talukdar
AIM: Species of Streptococcus, Escherichia coli, Staphylococcus, Actinomyces, Pseudomonas, Klebsiella, and Candida are commonly seen in the oral cavity. Impression materials are commonly contaminated with microorganisms. The present study was conducted to assess the disinfection efficacy of Epimax and 0.525% sodium hypochlorite on alginate impression over a period of 10 minutes. MATERIALS AND METHODS: This study was conducted in the Department of Prosthodontics in the year 2015...
January 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29326443/aesthetic-possibilities-in-removable-prosthodontics-part-1-the-aesthetic-spectrum-from-perfect-to-personal
#19
J N Besford, A F Sutton
Patients requiring dentures are getting older and as a result can be difficult to treat owing to various co-morbidities. This series of papers presents an overview of the processes involved in making removable dentures which the patient considers to be functionally and aesthetically successful. We hope not only to provide technical suggestions but also to address the issue of the clinician's, technician's and dental nurse's relationships with the dentally depleted patient. It is increasingly clear from defence organisation reports that this has a decisive effect on the success of this fundamentally difficult enterprise ('The only branch of dentistry in which you are trying to attach something to nothing' [Hubert Aïche])...
January 12, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29316569/prospective-evaluation-of-posterior-fixed-zirconia-dental-prostheses-10-year-clinical-results
#20
Sven Rinke, Jens Wehle, Xenia Schulz, Ralf Bürgers, Matthias Rödiger
PURPOSE: To investigate the clinical survival and success rates of conventionally luted three- and four-unit fixed dental prostheses (FDPs) with zirconia frameworks (Cercon Smart Ceramics, DeguDent) after a mean observation period of 119 ± 36 months. MATERIALS AND METHODS: A total of 75 patients were treated in the Department of Prosthodontics at the University of Goettingen, Germany, and a total of 99 posterior FDPs were inserted and luted with zinc phosphate cement...
January 2018: International Journal of Prosthodontics
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