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completed denture

Bruno Tochetto Primo, Leonardo Marcos Mezzari, Luís Carlos da Fontoura Frasca, Raquel Linderman, Elken Gomes Rivaldo
PURPOSE: To evaluate and compare the clinical and radiographic outcomes of mandibular rehabilitation with fixed prostheses on three implants with immediate versus delayed loading. MATERIALS AND METHODS: The sample comprised 21 patients who underwent treatment with immediate loading and 23 who received delayed loading. All had worn their prostheses for at least 18 months. Radiographic evaluation of bone loss was carried out in Adobe Photoshop CS5 by a single calibrated examiner using digitized panoramic radiographs...
March 15, 2018: International Journal of Oral & Maxillofacial Implants
Toshihito Takahashi, Tomoya Gonda, Akiko Tomita, Yoshinobu Maeda
PURPOSE: Palateless maxillary implant overdentures are often used for patients experiencing problems with a full-palate denture. However, palateless overdentures are reported to be a risk factor for implant complications. The purpose of this study was to examine the strain on implants beneath palateless overdentures with unsplinted attachments under various implant distributions. MATERIALS AND METHODS: A maxillary edentulous model with implants and an experimental palateless overdenture were fabricated...
March 2018: International Journal of Oral & Maxillofacial Implants
Yiqin Fang, Jing-Huan Fang, Seung-Mi Jeong, Byung-Ho Choi
Few studies have reported the application of digital technology for the process of impression and interocclusal recordings in edentulous patients. This article describes a digitizing system for generating digital edentulous models with a jaw relationship by taking direct digital impressions and a virtual bite registration using intraoral digital scanning. A specialized scan retractor was used to make digital impressions of edentulous jaws in patients' mouths using an intraoral scanner. Virtual bite registration was obtained with optical scanning of the buccal surfaces of both jaws at the occlusal vertical dimension...
March 9, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
Brian J Goodacre, Charles J Goodacre
The newest impression techniques use intraoral scanners to capture both the hard and soft tissues. However, with edentulous patients, the accuracy of an intraoral scanner to capture an acceptable impression for the fabrication of a complete denture needs to be evaluated. Therefore, the purpose of this report of two patient treatments is to describe a technique that used intraoral scanning to record mucosal morphology and fabricate computer-aided design/computer-assisted manufacture (CAD/CAM) complete dentures...
March 2018: International Journal of Prosthodontics
N Hussain, H Jabbar, M Hayati, J Wu, T P Hyde
OBJECTIVES: The 3 objectives are to assess current preferences for impressions for complete dentures, audit practice and compare practice to current UK teaching. METHODS: Three surveys where undertaken; a survey of GDPs preferences, an audit of practice and a survey of teaching in UK dental schools. RESULTS: UK Universities advocate border moulded custom trays. In stated preferences, 99% of practitioners used custom trays for private practice; 67% for NHS work...
March 8, 2018: European Journal of Prosthodontics and Restorative Dentistry
R Agustín-Panadero, B Serra-Pastor, A Fons-Font, M F Solá-Ruíz
OBJECTIVES: To evaluate the clinical behavior of one-piece complete-coverage crowns and fixed partial dentures (FPDs) on teeth with vertical preparation without finish line biologically oriented preparation technique (BOPT). METHODS AND MATERIALS: This prospective study included 52 patients requiring treatment with restorations in the esthetic region: 74 crowns and 27 FPDs. The sample included a total of 149 teeth that were prepared vertically without finish line...
March 7, 2018: Operative Dentistry
Xiaoling Yu, Xiaosheng Cheng, Ning Dai, Hu Chen, Changjiang Yu, Yuchun Sun
BACKGROUND AND OBJECTIVE: In dentistry, the complete denture is a conventional treatment for edentulous patients. The computer-aided design and computer-aided manufacturing (CAD/CAM) has been applied on the digital complete denture which is developed rapidly. Tooth selection and arrangement is one of the most important parts in digital complete denture. In this paper, we propose a new method of personalized teeth arrangement. METHODS: This paper presents a method of arranging teeth virtually for a complete denture...
March 2018: Computer Methods and Programs in Biomedicine
Lydia Eberhard, Keunyoung Oh, Constantin Eiffler, Peter Rammelsberg, Stefanie Kappel, Hans-Jürgen Schindler, Nikolaos Nikitas Giannakopoulos
OBJECTIVE: The aim of this study was to observe the adaptation strategy of the stomatognathic system during the adaptation of complete dentures, comprising masticatory parameters and subjective measures. Our hypothesis was that with new dentures, masticatory performance would increase while the effort of the system is kept constant. MATERIAL AND METHODS: Thirty-two patients received standardized new complete dentures. Masticatory performance tests were conducted with old dentures (T1), immediately after incorporation of new dentures (T2) and after an adaptation period of 3 months (T3)...
February 27, 2018: Clinical Oral Investigations
J Patel, C Granger, L Morrow
Edentulism presents an ongoing challenge for prosthodontic dentistry. Many aspects of complete denture construction lack contemporary evidence. One such aspect is denture occlusion. Balanced occlusion (BO) has become the prevailing occlusal scheme. It has been suggested that canine guidance (CG) is unsuitable for complete denture occlusion due to an increased risk for tipping of the prostheses. However it may be indicated in patients with minimal alveolus resorption. There has been limited evidence suggesting the superiority of either occlusal scheme over another...
February 20, 2018: Community Dental Health
V E de Souza Batista, A J Vechiato-Filho, J F Santiago, M V Sonego, F R Verri, D M Dos Santos, M C Goiato, E P Pellizzer
The aim of this meta-analysis was to verify the clinical viability of single implant-retained mandibular overdentures (SIMO). An electronic search of the PubMed and Cochrane databases was performed (end date July 2017); this was supplemented by a manual search of the literature. Only prospective clinical trials and randomized controlled trials (RCTs) that evaluated SIMO with a minimum follow-up of 12 months were included. The meta-analysis was based on the Mantel-Haenszel method. Dental implant and prosthetic failure were the dichotomous outcome measures; these were evaluated through the risk ratio (RR) and odds ratio (OR), with corresponding 95% confidence intervals (CI)...
February 16, 2018: International Journal of Oral and Maxillofacial Surgery
Philip Kroll, Lisa Hou, Hani Radaideh, Nazanin Sharifi, Phuu P Han, Roseann Mulligan, Reyes Enciso
The objective of this systematic review was to determine the effect on oral health-related outcomes from mandibular implant-retained dentures opposing maxillary complete dentures in edentulous middle-age and older adults compared to complete removable dentures in both arches. Randomized controlled trials with an average age of the participants being 65 years old or above were included. The Cochrane Library, MEDLINE and Web of Science were searched. A total of 228 abstracts were reviewed for inclusion criteria with fourteen trials included and analyzed for risk of bias...
February 19, 2018: Journal of Oral Implantology
Hirotaka Nishiyama, Shinpei Tanaka, Reina Nemoto, Hiroyuki Miura, Kazuyoshi Baba
PURPOSE: This study introduces a newly developed zirconia complete denture (ZrD) that incorporates a ceria-stabilized zirconia/alumina nano-composite framework fabricated with computer-aided design/computer-aided manufacture (CAD/CAM). MATERIALS AND METHODS: Twenty-nine edentulous patients received either a maxillary ZrD (n = 10) or a maxillary conventional complete denture (CD) (n = 19). Patient satisfaction was evaluated before and 12 months after prosthesis placement using the McGill Denture Satisfaction Instrument...
February 15, 2018: International Journal of Prosthodontics
James Dudley
PURPOSE: The aim of this study was to quantify the coronal tooth structure reductions (CTSRs) resulting from a variety of different types of crown preparations performed by undergraduate dental students in a simulation clinic teaching program. MATERIALS AND METHODS: A total of 76 students each submitted 21 different crown preparations completed on typodont teeth, which were individually weighed and analyzed in relation to whole and sectioned reference teeth to calculate the CTSR resulting from each preparation...
February 15, 2018: International Journal of Prosthodontics
Eriberto Bressan, Alvise Cenzi Venezze, Vanessa Ruiz Magaz, Diego Lops, Paolo Ghensi
The conometric retention system was proposed and described as a predictable alternative to retain fixed implant-supported complete dentures and, more recently, to retain fixed partial restorations. Currently available studies describe a technique based on the Ankylos (Dentsply) implant system and stock conic coupling abutments. The purpose of this case series study is therefore to demonstrate the possibility of using Atlantis computer-aided design/computer-assisted manufacture technology to produce Conus abutments (Dentsply) and using the fixed conometric retention with other implant brands for which appropriate stock conic coupling abutments are not available...
March 2018: International Journal of Periodontics & Restorative Dentistry
Mauricio Lira-Oetiker, Fernando Seguel-Galdames, Isaac Quero-Vallejos, Sergio E Uribe
AIM: To clinically evaluate the patient satisfaction and associated costs of dentures made using a simplified procedure that eliminates assembly on the articulator and dentures made with the conventional technique. MATERIALS AND METHODS: Single-blind randomized clinical trial. Forty edentulous patients were randomly divided into two groups. One group received dentures made using the conventional method (CG) and the other using a simplified technique (SG) that omits the use of functional impressions (with modeling compound and ZOE impression paste) and an articulator to assemble the models...
February 15, 2018: Journal of Oral Rehabilitation
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
Abhishek Shekhar, Samiran Das, Jayanta Bhattacharyya, Preeti Goel, Sayan Majumdar, Soumitra Ghosh
Aims: This study aims to find the effect of change in different salivary factors before and after complete denture insertion and to measure the maxillary denture retention in different arch forms. Materials and Methods: Thirty completely edentulous individuals (10 each of square, tapered, and ovoid arch form of maxilla) belonging to the age group of 40-70 years were selected. Salivary factors (flow, density, pH, viscosity, and total protein) were evaluated before and after denture insertion...
January 2018: Journal of Indian Prosthodontic Society
Rajlakshmi Banerjee, Jaishree Chahande, Usha Radke, Priti Jaiswal
Background: Success of complete denture treatment lies in the ability to make it indiscernible from the natural. The selection of the six maxillary anterior teeth is of utmost importance as it contributes most to denture esthetics. Although various techniques and methods to determine the width of maxillary anterior teeth and its relation to various body measurements were done, the simple technique of using circumference of head has been less documented, specifically for Indian population...
January 2018: Journal of Indian Prosthodontic Society
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
Binoy Mathews Nedumgottil
Aims and Objective: Oral biofilms in denture wearers are populated with a large number of bacteria, a few of which have been associated with medical conditions such as sepsis and infective endocarditis (IE). The present study was designed to investigate the relative presence of pathogenic bacteria in biofilms of denture wearers specifically those that are associated with IE. Methods: Biofilm samples from 88 denture wearers were collected and processed to extract total genomic DNA...
January 2018: Journal of Indian Prosthodontic Society
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