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https://www.readbyqxmd.com/read/29054679/cost-effectiveness-analysis-of-two-impression-methods-for-the-fabrication-of-mandibular-complete-dentures
#1
Anna Miyayasu, Manabu Kanazawa, Ayami Jo, Yusuke Sato, Shunsuke Minakuchi
OBJECTIVES: To compare the cost and to evaluate cost-effectiveness of fabricating mandibular complete dentures (CDs) using two different impression methods. METHODS: A crossover randomized controlled trial including 27 edentulous participants was performed. Mandibular CDs were fabricated using two different impression methods, as follows: (i) conventional method using a custom tray border moulded with impression compound and silicone and (ii) simplified method using a stock tray and alginate...
October 17, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29053645/comparison-of-peri-implant-bone-loss-between-conventional-drilling-with-irrigation-versus-low-speed-drilling-without-irrigation
#2
H Pellicer-Chover, D Peñarrocha-Oltra, A Aloy-Prosper, J- Sanchis-Gonzalez, M A Peñarrocha-Diago, M Peñarrocha-Diago
BACKGROUND: To compare the technique of high speed drilling with irrigation and low speed drilling without irrigation in order to evaluate the success rate and peri-implant bone loss at 12 months of follow-up. MATERIAL AND METHODS: A randomized, controlled, parallel-group clinical trial was carried out in patients requiring dental implants to rehabilitate their unitary edentulism. Patients were recruited from the Oral Surgery Unit of the University of Valencia (Spain) between September 2014 and August 2015...
October 20, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29052336/radiographic-and-clinical-outcomes-of-rooted-platform-switched-microthreaded-implants-with-a-sandblasted-large-grid-and-acid-etched-surface-a-5-year-prospective-study
#3
Dong Mei Mei, Baodong Zhao, Hao Xu, Yanhui Wang
BACKGROUND: There is no data available on the long-term outcomes of a rooted, platform-switched, microthreaded implant with a sandblasted, large-grid, and acid-etched surface. PURPOSE: This prospective, longitudinal study evaluated the clinical and radiographic outcomes of rooted, platform-switched, microthreaded and sandblasted, large-grid, and acid-etched (SLA) surface implants for 5 years. MATERIALS AND METHODS: Sixty implants were placed in sixty patients with partially edentulous maxillae or mandibles...
October 20, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29045800/survival-and-complications-of-single-dental-implants-in-the-edentulous-mandible-following-immediate-or-delayed-loading-a-randomized-controlled-clinical-trial
#4
M Kern, W Att, E Fritzer, S Kappel, R G Luthardt, T Mundt, D R Reissmann, M Rädel, M Stiesch, S Wolfart, N Passia
It was the aim of this 24-mo randomized controlled clinical trial to investigate whether the survival of a single median implant placed in the edentulous mandible to retain a complete denture is not compromised by immediate loading. Secondary outcomes were differences in prosthetic complications between the loading principles. Each of the 158 patients who received an implant was randomly assigned to the immediate loading group ( n = 81) or the delayed loading group ( n = 77). Recall visits were performed 1 mo after implant placement (for only the delayed loading group) and 1, 4, 12, and 24 mo after implant loading...
October 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/29042738/prosthetic-rehabilitation-of-mandibular-defects-with-fixed-removable-partial-denture-prosthesis-using-precision-attachment-a-twin-case-report
#5
Vimal Kantilal Munot, Ramesh P Nayakar, Raghunath Patil
The restoration of normal function and esthetic appearance with a dental prosthesis is a major challenge in the rehabilitation of patients who have lost their teeth and surrounding bone because of surgery for oral cyst or tumor. Rehabilitation with fixed or removable prosthesis is even more challenging when the edentulous span is long and the ridge is defective. Anatomic deformities and unfavorable biomechanics encountered in the region of resection add to the misery. In such situation, a fixed-removable prosthesis allows favorable biomechanical stress distribution along with restoration of esthetics, phonetics, comfort, hygiene, and better postoperative care and maintenance...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29042117/restoring-masticatory-function-in-a-patient-with-severe-microstomia-using-rapid-prototyped-mesh-and-a-custom-made-hinge-and-swing-lock-prosthesis
#6
Ibrahim Tulunoglu, Meng Huan Lee, Mohammed Louay Taifur, Ozlem Tulunoglu
This clinical report describes the use of rapid prototyped mesh in a complete swing-lock prosthesis to restore masticatory function in an edentulous patient with severe microstomia and perioral scar tissue after an industrial hot tar accident.
October 14, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29034578/a-prospective-split-mouth-study-comparing-tilted-implants-with-angulated-connection-versus-conventional-implants-with-angulated-abutment
#7
Manú Van Weehaeghe, Hugo De Bruyn, Stefan Vandeweghe
BACKGROUND: An angulation of the implant connection could overcome the problems related to angulated abutments. PURPOSE: This study compares conventional implants with angulated abutment to tilted implants with an angulated connection. MATERIALS AND METHODS: Twenty patients were treated in the edentulous mandible. In the posterior jaw locations, one conventional tilted implant with angulated abutment and one angulated implant without abutment were placed...
October 16, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29028847/is-history-of-periodontitis-a-risk-factor-for-peri-implant-disease-a-pilot-study
#8
Mehmet Ali Altay, Sinan Tozoğlu, Nelli Yıldırımyan, Mehmet Mustafa Özarslan
PURPOSE: The aim of this pilot study was to evaluate clinical outcomes of implant treatment in periodontally compromised patients. MATERIALS AND METHODS: Partially edentulous patients who were diagnosed and treated for chronic periodontitis and later rehabilitated with implant-supported single crowns or fixed partial dentures were enrolled in this study. At the final follow-up, data on probing pocket depth and bleeding on probing were collected, and changes in peri-implant bone levels were assessed on periapical radiographs...
October 13, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29023615/the-lip-tooth-ridge-classification-a-guidepost-for-edentulous-maxillary-arches-diagnosis-risk-assessment-and-implant-treatment-indications
#9
Adrien Pollini, Jack Goldberg, Ricardo Mitrani, Dean Morton
Prosthetic rehabilitation of the edentulous maxilla is known to be challenging and requires meticulous planning. The purpose of this article is to describe a novel classification system, the Lip-Tooth-Ridge (LTR), that offers a guidepost for treatment planning the edentulous maxilla for fixed or removable prostheses. This tool will help clinicians identify the final prosthetic design and will provide a case-specific risk assessment guide regarding two different areas. A high (HER) or low (LER) esthetic risk will be determined based on lip dynamics, as well as a high or low structural risk according to the prosthetic space availability...
November 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28993381/prevalence-of-and-factors-associated-with-fewer-than-20-remaining-teeth-in-taiwanese-adults-with-disabilities-a-community-based-cross-sectional-study
#10
Mei-Yu Pan, Tsung-Cheng Hsieh, Hung-Cheng Tai, Ming-Shyan Lin, Yu-Chen Lin, Mei-Yen Chen
OBJECTIVES: To examine the prevalence of and the factors associated with a number of remaining teeth (NRT) <20 among adults with disabilities. DESIGN: A community-based, cross-sectional descriptive study. SETTING: This study was part of a health promotion programme designed for community-dwelling adults with disabilities. PARTICIPANTS: A total of 549 adults with disabilities, aged 20-80 years, living in the community in Chiayi County in Taiwan...
October 8, 2017: BMJ Open
https://www.readbyqxmd.com/read/28979109/alveolar-ridge-atrophy-related-to-facial-morphology-in-edentulous-patients
#11
Joanna Kuć, Teresa Sierpińska, Maria Gołębiewska
OBJECTIVES: The morphology of the alveolar process determines the retention and stability of prosthetic restorations, thereby determining the result of the therapy. Considering that the edentulous jaws may be affected by the atrophy process, it was hypothesized that the morphology of the alveolar process of the maxilla may be dependent on the anterior facial height and anatomy of the mandible. SUBJECTS AND METHODS: Twenty-five healthy edentulous Caucasian individuals were randomly chosen...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28974373/effect-of-the-macintosh-curved-blade-size-on-direct-laryngoscopic-view-in-edentulous-patients
#12
Hyerim Kim, Jee-Eun Chang, Sung-Hee Han, Jung-Man Lee, Soohyuk Yoon, Jin-Young Hwang
OBJECTIVE: In the present study, we compared the laryngoscopic view depending on the size of the Macintosh curved blade in edentulous patients. METHODS: Thirty-five edentulous adult patients scheduled for elective surgery were included in the study. After induction of anesthesia, two direct laryngoscopies were performed alternately using a standard-sized Macintosh curved blade (No. 4 for men and No. 3 for women) and smaller-sized Macintosh curved blade (No. 3 for men and No...
September 28, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28973883/heterochronic-truncation-of-odontogenesis-in-theropod-dinosaurs-provides-insight-into-the-macroevolution-of-avian-beaks
#13
Shuo Wang, Josef Stiegler, Ping Wu, Cheng-Ming Chuong, Dongyu Hu, Amy Balanoff, Yachun Zhou, Xing Xu
Beaks are innovative structures characterizing numerous tetrapod lineages, including birds, but little is known about how developmental processes influenced the macroevolution of these important structures. Here we provide evidence of ontogenetic vestigialization of alveoli in two lineages of theropod dinosaurs and show that these are transitional phenotypes in the evolution of beaks. One of the smallest known caenagnathid oviraptorosaurs and a small specimen of the Early Cretaceous bird Sapeornis both possess shallow, empty vestiges of dentary alveoli...
September 25, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28971532/new-bone-formation-and-trabecular-bone-microarchitecture-of-highly-porous-tantalum-compared-to-titanium-implant-threads-a-pilot-canine-study
#14
Jin Whan Lee, Hai Bo Wen, Prabhu Gubbi, Georgios E Romanos
AIM: This study evaluated new bone formation activities and trabecular bone microarchitecture within the highly porous region of Trabecular Metal™ Dental Implants (TM) and between the threads of Tapered Screw-Vent® Dental Implants (TSV) in fresh canine extraction sockets. MATERIALS AND METHODS: Eight partially edentulated dogs received four implants (4.1 mmD × 13 mmL) bilaterally in mandibular fresh extraction sockets (32 TM, 32 TSV implants), and allowed to heal for 2, 4, 8, and 12 weeks...
October 2, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28968326/intraoral-observation-of-the-mentalis-and-incisivus-labii-inferioris-muscles
#15
Joe Iwanaga, Puhan He, Koichi Watanabe, Yasuhiko Kamura, Rod J Oskouian, R Shane Tubbs
The mentalis (MT) and the incisivus labii inferioris (ILI), which are accessory muscles of the orbicularis oris (OO) muscle, form an intertwined and three-dimensionally related complex. The purpose of this study is to clarify the relationship between the MT, ILI, and OO muscles via intraoral dissection. Twenty-two sides from 11 fresh adult Caucasian cadaveric heads were used, and the MT, ILI, and OO dissected under the surgical microscope. Next, measurements of the bony attachment were carried out on another 12 sides...
September 29, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28965674/stress-distribution-of-single-implant-retained-overdenture-reinforced-with-a-framework-a-finite-element-analysis-study
#16
Camilla F Amaral, Rafael S Gomes, Renata C M Rodrigues Garcia, Altair A Del Bel Cury
STATEMENT OF PROBLEM: Studies have demonstrated the effectiveness of a single-implant-retained mandibular overdenture for elderly patients with edentulism. However, due to the high concentration of stress around the housing portion of the single implant, this prosthesis tends to fracture at the anterior region more than the 2-implant-retained mandibular overdenture. PURPOSE: The purpose of this finite-element analysis study was to evaluate the stress distribution in a single-implant-retained mandibular overdenture reinforced with a cobalt-chromium framework, to minimize the incidence of denture base fracture...
September 28, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28965369/patient-satisfaction-with-occlusal-scheme-ofconventional-complete-dentures-a-randomized-clinical-trial-part-i
#17
Hedaiat Moradpour, Mohaddese Arbabzade, Omid Savabi, Mohammadjavad Shirani
BACHGROUND: Occlusal scheme can affect denture retention, stability, occlusal force distribution, esthetics, masticatory function, patient comfort, and general patient satisfaction with dentures. OBJECTIVES: This study aimed to compare the patient satisfaction with three types of complete denture occlusion including fully bilateral balanced occlusion (FBBO), newly presented buccalized occlusion (BO), and lingualized occlusion (LO). METHODS: In this parallel randomized clinical trial, new conventional complete dentures (CCDs) were fabricated for 86volunteers...
October 1, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28944373/misfit-of-implant-prostheses-and-its-impact-on-clinical-outcomes-definition-assessment-and-a-systematic-review-of-the-literature
#18
Joannis Katsoulis, Takuro Takeichi, Ana Sol Gaviria, Lukas Peter, Konstantinos Katsoulis
BACKGROUND AND AIM: Compromised fit between the contact surfaces of screw-retained implant-supported fixed dentures (IFDs) is thought to create uncontrolled strains in the prosthetic components and peri-implant tissues, thus evoking biological and technical complications such as bone loss, screw loosening, component fractures and, at worst, loss of implants or prostheses. The aim of this systematic review was to evaluate the impact of marginal misfit on the clinical outcomes of IFDs, and to elucidate definition and assessment methods for passive fit...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28944367/clinical-outcomes-of-full-arch-fixed-implant-supported-zirconia-prostheses-a-systematic-review
#19
Avinash Bidra, Patchanee Rungruanganunt, Marissa Gauthier
AIM: The primary aim of this systematic review was to study the clinical outcomes of one-piece fixed complete dentures (complete arch fixed implant-supported prostheses) made of zirconia for edentulous patients. The secondary aim was to compare the clinical outcomes of monolithic zirconia vs zirconia veneered with porcelain (conventional, minimal or gingival) for fixed complete dentures. MATERIALS AND METHODS: Two investigators conducted an independent electronic search of the literature, using PubMed and Scopus search engines from January 1, 2000, to August 31, 2016...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28944366/fixed-vs-removable-complete-arch-implant-prostheses-a-literature-review-of-prosthodontic-outcomes
#20
Charles Goodacre, Brian Goodacre
AIM: To compare implant fixed complete dentures with implant overdentures relative to prosthodontic outcomes. MATERIAL AND METHODS: An electronic Medline (PubMed) with MeSH terms, and Cochrane library search was performed, focusing on studies that included implant fixed complete dentures and implant overdentures in the same study, with the results based on studies that included both types of prostheses. RESULTS: The following six categories of comparative studies were identified in the literature: 1) Implant and prosthesis survival; 2) Prosthesis maintenance/complications; 3) Bone changes; 4) Patient satisfaction and quality of life; 5) Cost-effectiveness; and 6) Masticatory performance...
2017: European Journal of Oral Implantology
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