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https://www.readbyqxmd.com/read/28212454/clinical-comparison-of-screw-retained-and-screwless-morse-taper-implant-abutment-connections-one-year-postloading-results
#1
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/28208996/stress-distribution-under-commercial-denture-liners-a-finite-element-and-clinical-analysis
#2
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
#3
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/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
#4
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
https://www.readbyqxmd.com/read/28196287/oral-health-related-quality-of-life-in-patients-with-non-metal-clasp-dentures-a-randomized-crossover-trial
#5
Kenji Fueki, Eiko Yoshida-Kohno, Noriyuki Wakabayashi
OBJECTIVES: We investigated the efficacy of non-metal clasp dentures (NMCDs) with regard to the oral-health related quality of life (OHRQoL) and compare the findings with those for conventional metal clasp-retained dentures (MCDs). METHODS: This single-centre, randomized controlled, two-phase, open label, crossover trial included 28 partially dentate individuals. The patients were randomized to receive MCDs followed by NMCDs, or the opposite sequence (n = 14 in each group); each denture was worn for 3 months...
February 14, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28176265/deformation-of-facial-model-for-complete-denture-prosthesis-using-arap-group-method-and-elastic-properties
#6
Cheng Cheng, Xiaosheng Cheng, Ning Dai, Yuchun Sun, Xiaotong Jiang, Weiwei Li
With the development of 3D printing and computer graphics technology, mouth rehabilitation has increasingly adopted digital methods. This research proposes a new method to transform the appearance of facial model after complete denture prosthesis. A feature template with few feature points is first constructed according to the facial muscle anatomy and facial deformation after complete denture prosthesis. Next, the traditional as-rigid-as-possible (ARAP) method is optimised by clustering based on facial muscles...
February 7, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28169270/using-loop-connectors-as-an-interim-mode-of-treatment-an-interdisciplinary-approach
#7
T Aby Mathew, Ashwin Thomas Koshy, Annie Susan Thomas, Angel Mary Joseph, Nicholas Mathew
To tackle a large midline diastema and generalized spacing existing before extraction often poses a challenge to the treating prosthodontist. The situation becomes even more complicated if the patient is a teenager, with multiple missing teeth, associated deep bite and where the jaw bone growth has not yet been completed. Possible treatment options would include a removable prosthesis, a fixed partial denture or an implant supported prosthesis. Treating such cases with a simple removable prosthesis cannot be justified if a deep bite existed which would result in posterior disocclusion...
November 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28159344/use-of-cad-cam-technology-for-the-fabrication-of-complete-dentures-an-alternative-technique
#8
Burak Yilmaz, Aysen Nekora Azak, Gülce Alp, Hilal Ekşi
Computer-aided design and computer-aided manufacturing (CAD-CAM) technology is available for the fabrication of complete dentures as an alternative to conventional fabrication techniques. This report describes a work flow for a technique that combines the use of conventional impressions and maxillomandibular relationship records with CAD-CAM technology for the fabrication of maxillary and mandibular complete dentures.
January 31, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28159342/patients-esthetic-expectations-and-satisfaction-with-complete%C3%A2-dentures
#9
Michael McCunniff, Wei Liu, Deborah Dawson, Leonardo Marchini
STATEMENT OF PROBLEM: Understanding the factors affecting patients' satisfaction with their dentures is essential to achieving higher satisfaction rates. PURPOSE: The purpose of this clinical study was to test for possible relationships between the esthetic satisfaction of complete denture therapy and factors including age, sex, and esthetic expectations. MATERIAL AND METHODS: Data were integrated from 4 previous studies of complete denture satisfaction, and a secondary data analysis was performed...
January 31, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28159341/cameo-surface-recording-in-complete-denture-fabrication-using-transcutaneous-electrical-nerve-stimulation-a-clinical-report
#10
Dheeraj Koli, Aditi Nanda, Harsimran Kaur, Mahesh Verma, Chandan Jain
Severe bone loss in patients with complete edentulism poses a treatment challenge. In fabricating a denture, the stability of the prosthesis must be enhanced by recording the cameo surface within the confines of the physiological position of the cheek and tongue muscles (the neutral zone) and by shaping it accordingly. The treatment of a patient with a completely edentulous maxillary arch and severe maxillary anterior bone loss is described. The cameo surface was recorded within the physiological limits during the fabrication of a complete denture by using transcutaneous electrical nerve stimulation (TENS)...
January 31, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28154996/early-bone-formation-around-immediately-loaded-implants-with-nanostructured-calcium-incorporated-and-machined-surface-a-randomized-controlled-histologic-and-histomorphometric-study-in-the-human-posterior-maxilla
#11
Francesco Guido Mangano, Giovanna Iezzi, Jamil Awad Shibli, Jefferson Trabach Pires, Giuseppe Luongo, Adriano Piattelli, Carlo Mangano
OBJECTIVE: The aim of this randomized, controlled histologic/histomorphometric study was to compare the early bone formation around immediately loaded implants with nanostructured calcium-incorporated (NCI) and machined (MA) surface, placed in the human posterior maxilla. MATERIALS AND METHODS: Fifteen fully edentulous patients (six males; nine females; mean age 57.9 ± 6.7 years) were selected for this study. Each patient was installed with two temporary transmucosal implants, with different surfaces: one NCI (test) and one MA (control) implant...
February 2, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28138227/electromyographic-activity-of-masticatory-muscles-in-elderly-women-a-pilot-study
#12
Ewelina Gaszynska, Karolina Kopacz, Magdalena Fronczek-Wojciechowska, Gianluca Padula, Franciszek Szatko
OBJECTIVES: To evaluate the effect of age and chosen factors related to aging such as dentition, muscle strength, and nutrition on masticatory muscles electromyographic activity during chewing in healthy elderly women. BACKGROUND: With longer lifespan there is a need for maintaining optimal quality of life and health in older age. Skeletal muscle strength deteriorates in older age. This deterioration is also observed within masticatory muscles. METHODS: A total of 30 women, aged 68-92 years, were included in the study: 10 individuals had natural functional dentition, 10 were missing posterior teeth in the upper and lower jaw reconstructed with removable partial dentures, and 10 were edontoulous, using complete removable dentures...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28130176/efficacy-of-photodynamic-therapy-in-the-inactivation-of-oral-fungal-colonization-among-cigarette-smokers-and-non-smokers-with-denture-stomatitis
#13
Tariq Abduljabbar, Mansour Al-Askar, Mohammed K Baig, Zeyad H AlSowygh, Sergio Varela Kellesarian, Fahim Vohra
OBJECTIVE: The aim was to assess the efficacy of antimicrobial photodynamic therapy (aPDT) in the inactivation of oral fungal colonization among cigarette smokers and non-smokers with denture stomatitis (DS). METHODS: A questionnaire was used to gather demographic information. Clinical oral examination was performed to determine location of denture in the jaws and oral erythematous lesions. Presence of fungal hyphae in smokers and non-smokers was confirmed using exfoliative cytology...
January 24, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28126355/effect-of-opposing-implant-prostheses-on-periodontal-pathogens-in-dentures-a-pilot-study
#14
Xiaodong Zhou, Mathew T Kattadiyil, Raydolfo M Aprecio, Xiaoli Liu, Wu Zhang, Yiming Li
STATEMENT OF PROBLEM: An understanding of the presence of periodontal pathogens in denture plaque is important for the treatment of patients with edentulism. However, current data are limited and inconclusive. PURPOSE: The purpose of this pilot clinical study was to investigate whether opposing implant prostheses affect the presence of periodontal pathogens in maxillary complete dentures. MATERIAL AND METHODS: Twenty adult participants were enrolled in the study...
January 23, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28123274/prosthodontics-an-arsenal-in-forensic-dentistry
#15
REVIEW
Lakshmana Rao Bathala, Narendra Kumar Rachuri, Srinivas Rao Rayapati, Sudheer Kondaka
After major disasters such as earthquakes, fires, floods, tsunami, bomb blasts or terrorist attacks, accurate, and early identification of the dead and injured becomes an utmost importance. Restorations, cariesteeth, missingteeth and/or prostheses are most useful aids for the dental identification. At times, only identifiable remains are a victim's partial or complete dentures. The central principle of dental identification is that postmortem dental remains can be compared with antemortem dental records which include, studycasts, radiographs, etc...
September 2016: Journal of Forensic Dental Sciences
https://www.readbyqxmd.com/read/28122401/customized-cheek-plumper-with-friction-lock-attachment-for-a-completely-edentulous-patient-to-enhance-esthetics-a-clinical-report
#16
Prem Bhushan, Meena A Aras, Ivy Coutinho, Praveen Rajagopal, Ashwin R Mysore, Swati Kumar
Prosthetic rehabilitation of a completely edentulous patient should never be restricted to the replacement of missing teeth. The ultimate aim of complete denture treatment should be restoration of the full range of oral functions and esthetics. Slumped cheeks are always a concern for esthetically demanding complete denture patients. This article describes a simple, scientific, cost-effective technique to improve facial esthetics in a completely edentulous patient with the help of a cheek plumper. The technique used here implements the concept of neutral zone to precisely determine the amount of space available for the cheek plumper...
January 25, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28120363/elderly-with-remaining-teeth-report-less-frailty-and-better-quality-of-life-than-edentulous-elderly-a-cross-sectional-study
#17
A R Hoeksema, S L W Spoorenberg, L L Peters, H J A Meijer, G M Raghoebar, A Vissink, K Wynia, A Visser
OBJECTIVE: To assess oral status and self-reported oral health in community-living elderly and to determine differences between relevant subgroups of oral status (remaining teeth, edentulous, implant-retained overdentures) and case complexity (robust, frail, complex care needs). SUBJECTS AND METHODS: In this cross-sectional descriptive study, 1325 Dutch community-living elderly (≥75 years of age) were asked to complete validated questionnaires on frailty, ADL, complexity of care needs and QoL...
January 25, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28102940/effect-of-cast-modification-on-denture-base-adaptation-following-maxillary-complete-denture-processing
#18
Mohammed E Sayed, Amit Porwal, David Ehrenberg, Saul Weiner
PURPOSE: To investigate the effect of cast modifications on denture base adaptation in coronal and sagittal projections following maxillary complete denture processing. MATERIALS AND METHODS: A total of 60 edentulous maxillary casts (n = 10) were distributed among six groups. Group 1 was the control group with no modification, groups 2 through 6 included a butterfly postdam preparation, groups 3 and 4 also included a 10-mm wide/4-mm deep box with addition of four round holes in group 4, and groups 5 and 6 also included a 20-mm wide/4-mm deep box with addition of four round holes in group 6...
January 19, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28091858/will-wearing-dentures-affect-edentulous-patients-breathing-during-sleep
#19
Qiuwen Chen, Dong Zou, Hailan Feng, Shaoxia Pan
PURPOSES: The purpose of this study is to investigate the effect of wearing dentures on obstructive sleep apnea and hypopnea among completely edentulous patients. METHODS AND MATERIALS: A self-controlled study was conducted among 30 edentulous patients. Polysomnograms were recorded in the sleep laboratory on two consecutive nights. Participants slept with their dentures in one night and without dentures in the other. The apnea and hypopnea index (AHI), lowest oxygen saturation (L-SpO2), and morning blood pressure (MBP) were collected for statistical analysis...
January 14, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28089334/masticatory-function-and-oral-health-related-quality-of-life-in%C3%A2-patients-after-partial-maxillectomies-with-closed-or%C3%A2-open%C3%A2-defects
#20
Mohamed M Said, Takafumi Otomaru, Yesiboli Yeerken, Hisashi Taniguchi
STATEMENT OF PROBLEM: The healing pattern after surgical resection of tumors of the oral cavity involving the maxilla may vary from one patient to another. The result may be open communication between the oral and nasal cavities (open defect) or complete oronasal separation after healing of the defect area (closed defect). PURPOSE: The purpose of this clinical study was to compare masticatory function and oral health-related quality of life (OHRQoL) between patients with closed and open defects who had undergone a partial maxillectomy and were wearing dentomaxillary prostheses...
January 12, 2017: Journal of Prosthetic Dentistry
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