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https://www.readbyqxmd.com/read/28231346/in-vitro-three-dimensional-accuracy-of-digital-implant-impressions-the-effect-of-implant-angulation
#1
Vanessa A Chia, Roxanna J Esguerra, Khim Hean Teoh, Juin Wei Teo, Keng Mun Wong, Keson B Tan
PURPOSE: To compare the three-dimensional (3D) accuracy of conventional impressions (CIs) with digital scans (DSs) using an intraoral scanner (IOS) with intraoral scan bodies (SBs) and varying buccolingual interimplant angulations. A secondary aim was to measure the SB machining tolerance and height with and without application of torque. MATERIALS AND METHODS: Three master models (MMs) with two implants simulating an implant-supported three-unit fixed partial denture for bone-level implants were used...
February 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28223859/histatin-peptides-pharmacological-functions-and-their-applications-in-dentistry
#2
REVIEW
Zohaib Khurshid, Shariq Najeeb, Maria Mali, Syed Faraz Moin, Syed Qasim Raza, Sana Zohaib, Farshid Sefat, Muhammad Sohail Zafar
There are many human oral antimicrobial peptides responsible for playing important roles including maintenance, repairing of oral tissues (hard or soft) and defense against oral microbes. In this review we have highlighted the biochemistry, physiology and proteomics of human oral histatin peptides, secreted from parotid and submandibular salivary glands in human. The significance of these peptides includes capability for ionic binding that can kill fungal Candida albicans. They have histidine rich amino acid sequences (7-12 family members; corresponding to residues 12-24, 13-24, 12-25, 13-25, 5-11, and 5-12, respectively) for Histatin-3...
January 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28223199/poly-methyl-methacrylate-with-tio2-nanoparticles-inclusion-for-stereolitographic-complete-denture-manufacturing-the-fututre-in-dental-care-for-elderly-edentulous-patients
#3
Eugenia Eftimie Totu, Aurelia Cristina Nechifor, Gheorghe Nechifor, Hassan Y Aboul-Enein, Corina Marilena Cristache
OBJECTIVES: The aim of this study was to obtain a Poly(methylmethacrylate) (PMMA)-TiO2 nanocomposite material with improved antibacterial characteristics, suitable for manufacturing 3D printed dental prosthesis. METHODS: 0.2, 0.4, 0.6, 1, 2.5 by weight% of TiO2 nanoparticles have been added to the commercially available stereolithographic PMMA material and the obtained nanocomposites have been analyzed using FTIR, SEM and also tested for antimicrobial efficacy against bacterial cultures from Candida species (C...
February 18, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28222878/clinical-complications-and-quality-assessments-with-computer-engineered-complete-dentures-a-systematic-review
#4
REVIEW
Mathew T Kattadiyil, Abdulaziz AlHelal, Brian J Goodacre
STATEMENT OF PROBLEM: Computer-engineered complete dentures (CECDs) have significant potential as shown by recent reports of outcomes and specific applications. An understanding of complications and quality assessment factors associated with CECDs from compiled data is lacking in published reports. PURPOSE: The purpose of this systematic review was to determine the clinical complications and quality assessments related to CECDs. MATERIAL AND METHODS: Electronic searches of publications in English from January 1984 to September 2016 were performed in MEDLINE and Cochrane databases, with the results enriched by manual searches and citation mining to address 2 population intervention comparison outcome (PICO) questions: what are the clinical complications associated with CECDs, and what are the quality assessments with CECDs? RESULTS: A review of 5 selected articles (limited data) on CECDs revealed patient dissatisfaction related to overall outcome (25...
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28222870/influence-of-3-different-forms-of-a-commercially-available-denture-adhesive-material-on-the-growth-of-candida-species-an-in%C3%A2-vitro-study
#5
Anuram Rajaram, Smita Sara Manoj
STATEMENT OF PROBLEM: Although different forms of denture adhesives are widely used by the elderly, insufficient information is available for the effect of adhesives on the growth of Candida species. PURPOSE: The purpose of this in vitro study was to compare the influence of 3 different forms of a commercially available denture adhesive material on the growth of Candida species by monitoring the pH and number of colonies in the growth medium at different incubation periods...
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28222867/prosthodontic-treatment-of-a-retrognathic-edentulous-maxilla-demonstrating-limited-interarch-distance-3-5-year-results-with-fixed-and-removable-implant-prostheses
#6
Won-Suk Oh, Furat George, Ju-Mi Park
The prosthodontic treatment of patients with a retrognathic edentulous maxilla should consider the restoration of the lower facial profile and access for oral hygiene. This clinical report describes prosthodontic treatments of a patient with edentulism who presented with repeated fractures of the denture teeth of a maxillary implant-supported complete fixed dental prosthesis (ICFDP) and a mandibular implant-supported overdenture. Considerable plaque accumulation was noted on the ICFDP, which was replaced with an open palatal design implant-supported overdenture...
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28219056/anticaries-potential-of-a-sodium-monofluorophosphate-dentifrice-containing-calcium-sodium-phosphosilicate-exploratory-in-situ-randomized-trial
#7
Charles R Parkinson, Muhammad Siddiqi, Stephen Mason, Frank Lippert, Anderson T Hara, Domenick T Zero
Calcium sodium phosphosilicate (CSPS) is a bioactive glass material that alleviates dentin hypersensitivity and is postulated to confer remineralization of caries lesions. This single-centre, randomized, single (investigator)-blind, placebo-controlled, crossover, in situ study explored whether the addition of 5% CSPS to a nonaqueous fluoride (F) such as sodium monofluorophosphate (SMFP)-containing dentifrice affects its cariostatic ability. Seventy-seven subjects wore 4 gauze-covered enamel specimens with preformed lesions (2 surface-softened and 2 subsurface) placed buccally on their mandibular bilateral dentures for up to 4 weeks...
February 21, 2017: Caries Research
https://www.readbyqxmd.com/read/28216850/versatility-of-peek-as-a-fixed-partial-denture-framework
#8
Nikita Sinha, Nidhi Gupta, K Mahendranadh Reddy, Y M Shastry
Materials used for fixed partial denture (FPD) frameworks have had properties of excellent strength, durability, and biocompatibility. Some of the materials which have been used till date include alloys, ceramics, and high-performance polymers such as zirconia, Ni-Cr, lithium disilicate, and so on. All these, though excellent, have their advantages and disadvantages. Hence, the search has always been on for a better material. One such material, which has made its foray into dentistry in the recent times, is polyetheretherketone (PEEK)...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28216849/assessment-of-implant-stability-during-various-stages-of-healing-placed-immediately-following-extraction-in-an-overdenture-situation
#9
Ashwin Thomas Koshy, T Aby Mathew, Nicholas Mathew, Angel Mary Joseph
To assess the implant stability during different stages of healing in an immediate loaded implant soon after extraction. A 73-year-old female came with a chief complaint of bad smell and irritation in her lower front gum region. On examination, she was found to be completely edentulous in the maxillary arch and partially edentulous in the mandibular arch with only the canines present bilaterally. The posterior mandibular ridge was severely resorbed and hence could not be treated with a conventional mandibular complete denture...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28216848/clinical-outcome-of-tooth-supported-fixed-partial-dentures-in-unilateral-cleft-lip-and-palate-patients-a-case-series
#10
Sudhir Bhandari
INTRODUCTION: Cleft lip and palate (CLP) is the most frequent congenital facial abnormality and multidisciplinary treatment extending over many years is necessary to rehabilitate the affected individuals to normal function and esthetics. OBJECTIVE: To evaluate the clinical treatment outcome for missing teeth with tooth supported fixed partial dentures in unilateral cleft lip and palate patients. PATIENTS AND METHODS: Tooth supported fixed partial denture (T-FPD) was utilized for restoration of missing teeth in the cleft area for 9 non syndromic, unilateral cleft lip and palate patients (U-CLP)...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28216847/effect-of-denture-cleansers-on-color-stability-surface-roughness-and-hardness-of-different-denture-base-resins
#11
Anand Porwal, Meenakshi Khandelwal, Vikas Punia, Vivek Sharma
AIM: The purpose of this study was to evaluate the effect of different denture cleansers on the color stability, surface hardness, and roughness of different denture base resins. MATERIALS AND METHODS: Three denture base resin materials (conventional heat cure resin, high impact resin, and polyamide denture base resin) were immersed for 180 days in commercially available two denture cleansers (sodium perborate and sodium hypochlorite). Color, surface roughness, and hardness were measured for each sample before and after immersion procedure...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28216844/effect-of-technique-and-impression-material-on-the-vertical-misfit-of-a-screw-retained-three-unit-implant-bridge-an-in-vitro-study
#12
Hamidreza Rajati Haghi, Masoud Shiehzadeh, Mohammadreza Nakhaei, Fatemeh Ahrary, Saeid Sabzevari
INTRODUCTION: A dental impression is a negative imprint of an oral structure that can be used to produce a positive cast of a patient's teeth as a permanent record. The accuracy of the impression affects the accuracy of the cast, and a precise impression is needed in order to create prosthesis with optimal fitting. Minimization of misfit is an important aim in prosthesis science and dental implants. The aim of this study was to evaluate the effects of the materials and techniques used to take an impression on the vertical misfit of implant-supported, screw-retained, three-unit bridges...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28216842/case-based-learning-a-study-to-ascertain-the-effectiveness-in-enhancing-the-knowledge-among-interns-of-an-indian-dental-institute
#13
Kamal Shigli, Y B Aswini, Deepti Fulari, Banashree Sankeshwari, Dayanand Huddar, M Vikneshan
OBJECTIVE: Time and again, it has been shown that active learning promotes critical thinking, and this environment has to be fostered in dental education too. Therefore, the present study was carried out with an aim to know the effectiveness of case-based learning (CBL) in enhancing the knowledge of dental interns of a dental institute in India. MATERIALS AND METHODS: This pre-post single-blinded, experimental study was conducted in two sessions on a purposive sample of 45 dental interns who gave informed consent...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28215440/most-patients-prefer-computer-aided-design-computer-aided-manufacturing-fabricated-complete-dentures-to-their-old%C3%A2-dentures
#14
Romina Brignardello-Petersen
No abstract text is available yet for this article.
February 16, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28212454/clinical-comparison-of-screw-retained-and-screwless-morse-taper-implant-abutment-connections-one-year-postloading-results
#15
Esma Geckili, Onur Geckili, Hakan Bilhan, Omer Kutay, Tayfun Bilgin
PURPOSE: The purpose of this study was to clinically evaluate the screwless Morse taper implant-abutment connection type, in which the retention screw is totally eliminated, in terms of stability, success, periodontal parameters, and marginal bone levels after 1 year of function by comparing it with a passive fit internal implant-abutment connection, wherein a space exists between the matching components. MATERIALS AND METHODS: Each edentulous subject received an implant with a screwless Morse taper connection (MT) in the left canine area of the mandible and an implant with a screw-retained implant-abutment connection (SR) in the right canine area of the mandible...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28210449/oral-mucosal-lesions-in-a-chilean-elderly-population-a-retrospective-study-with-a-systematic-review-from-thirteen-countries
#16
César Rivera, Daniel Droguett, María-Jesús Arenas-Márquez
BACKGROUND: The oral examination is an essential part of the multidisciplinary medical care in elderly people. Oral mucosal lesions and normal variations of oral anatomy (OMLs) are very common in this people, but few studies have examined the frequency and prevalence of these conditions worldwide and less in Chile. The aim of this research was to evaluate the frequency of OMLs in a Chilean elderly population. MATERIAL AND METHODS: It was conducted a retrospective study (Talca, Chile)...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28208996/stress-distribution-under-commercial-denture-liners-a-finite-element-and-clinical-analysis
#17
Rahul Shrivastava, Saurabh Chaturvedi, Ashok Kumar Verma, Mariyum Ali, Amrita Nagendra, Mudita Chaturvedi
INTRODUCTION: Previous studies have shown that 20-30% of denture users have been dissatisfied with their dentures. AIM: To evaluate the stress pattern under elastic and viscoelastic denture liners using 3-Dimensional Finite Element Analysis (FEA) and its clinical correlation using a questionnaire. MATERIALS AND METHODS: The study had both in-vitro and in-vivo phases. In in-vitro phase fabrication of a virtual parametric model of edentulous maxilla and dentures with overlying mucosa was made...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203010/-evaluation-of-production-and-clinical-working-time-of-computer-aided-design-computer-aided-manufacturing-cad-cam-custom-trays-for-complete-denture
#18
L Wei, H Chen, Y S Zhou, Y C Sun, S X Pan
OBJECTIVE: To compare the technician fabrication time and clinical working time of custom trays fabricated using two different methods, the three-dimensional printing custom trays and the conventional custom trays, and to prove the feasibility of the computer-aided design/computer-aided manufacturing (CAD/CAM) custom trays in clinical use from the perspective of clinical time cost. METHODS: Twenty edentulous patients were recruited into this study, which was prospective, single blind, randomized self-control clinical trials...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28202877/pneumatosis-intestinalis-caused-by-an-ingested-denture
#19
Kaku Kuroda, Moriya Zakimi, Kazuhito Hirata, Kaoru Kikuchi
No abstract text is available yet for this article.
2017: Internal Medicine
https://www.readbyqxmd.com/read/28202072/a-pilot-randomised-controlled-trial-evaluating-mini-and-conventional-implant-retained-dentures-on-the-function-and-quality-of-life-of-patients-with-an-edentulous-mandible
#20
Sarra Jawad, Craig Barclay, William Whittaker, Martin Tickle, Tanya Walsh
BACKGROUND: Total tooth loss (edentulism) can be a debilitating condition, impacting on ability to chew, speak and interact with others. The most common treatment is with complete removable dentures, which may be successful, but in the lower jaw, bone resorption that worsens over time makes denture-wearing difficult. Two dental implants in the mandible to retain the lower denture has been advocated as the gold standard of treatment, but has not been universally provided due largely to financial constraints and also patient fear...
February 15, 2017: BMC Oral Health
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