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https://www.readbyqxmd.com/read/29912886/complete-denture-tooth-arrangement-technology-driven-by-a-reconfigurable-rule
#1
Ning Dai, Xiaoling Yu, Qilei Fan, Fulai Yuan, Lele Liu, Yuchun Sun
The conventional technique for the fabrication of complete dentures is complex, with a long fabrication process and difficult-to-control restoration quality. In recent years, digital complete denture design has become a research focus. Digital complete denture tooth arrangement is a challenging issue that is difficult to efficiently implement under the constraints of complex tooth arrangement rules and the patient's individualized functional aesthetics. The present study proposes a complete denture automatic tooth arrangement method driven by a reconfigurable rule; it uses four typical operators, including a position operator, a scaling operator, a posture operator, and a contact operator, to establish the constraint mapping association between the teeth and the constraint set of the individual patient...
2018: PloS One
https://www.readbyqxmd.com/read/29911064/evaluation-of-satisfaction-perceived-by-prosthetic-patients-compared-to-clinical-and-technical-variables
#2
Ettore Epifania, Roberto Sanzullo, Roberto Sorrentino, Pietro Ausiello
Objectives: The purpose of this study is to relate the clinical quality of the complete denture and specific anamnestic factors to the level of satisfaction perceived by patients. Also identifying possible prognostic parameters that could be predictive of future satisfaction. Materials and Methods: On the basis of a substantial existing literature, the most appropriate parameters to determine the prosthetic quality have been determined to evaluate the satisfaction perceived by patients about their denture; a completely new questionnaire has been drawn up...
May 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29905545/-a-comparative-evaluation-of-the-effect-of-dentures-from-various-materials-on-the-oral-cavity-s-immunological-and-redox-dependent-homeostasis
#3
Z Nakudashvili, I Mgebrishvili, I Barbakadze, T Sanikidze
The purpose of our study was a comparative analysis of the effect of dentures from various materials on the immunological and redox-dependent homeostasis of the oral cavity. We studied 60 patients with removable dentures made based on plastics Prothyl Hot, Vertex BasiQ 20 (differing by polymerization regime) and elastic thermoplastic polymer Perflex Flexi Nylon. The control group consisted of 15 volunteers with a practically healthy oral cavity, who did not use dentures. Saliva collected on an empty stomach in a glass tube without the use of a stimulator before the establishment of a denture and 3 days and 1 month after...
May 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29900923/utility-of-facebow-in-the-fabrication-of-complete-dentures-occlusal-splints-and-full-arch-fixed-dental-prostheses-a-systematic-review
#4
REVIEW
Farhan Raza Khan, Rabia Ali, Aiman Sheikh
Objective: The objective of this study is to assess the utility of facebow transfer in the fabrication of occlusal splints, complete dentures and full arch fixed dental prosthesis. Materials and Methods: A systematic review protocol was registered at PROSPERO registry, University of York, UK (CRD42016041919). Following databases were explored: PubMed, CINAHL, Cochrane, and Web of knowledge. The PICO model included participants who received occlusal splint or complete denture or full arch fixed dental prosthesis at the centric relation position...
May 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29896904/a-comparison-of-the-flexural-and-impact-strengths-and-flexural-modulus-of-cad-cam-and-conventional-heat-cured-polymethyl-methacrylate-pmma
#5
Ziad N Al-Dwairi, Kawkab Y Tahboub, Nadim Z Baba, Charles J Goodacre
PURPOSE: The introduction of computer-aided design/computer-aided manufacturing (CAD/CAM) technology to the field of removable prosthodontics has recently made it possible to fabricate complete dentures of prepolymerized polymethyl methacrylate (PMMA) blocks, which are claimed to be of better mechanical properties; however, no published reports that have evaluated mechanical properties of CAD/CAM PMMA. The purpose of this study was to compare flexural strength, impact strength, and flexural modulus of two brands of CAD/CAM PMMA and a conventional heat-cured PMMA...
June 13, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29895978/a-pilot-study-of-digital-recording-of-edentulous-jaw-relations-using-a-handheld-scanner-and-specially-designed-headgear
#6
Weiwei Li, Qiufei Xie, Yong Wang, Yuchun Sun
The present study aimed to establish and evaluate a method for recording edentulous jaw relations digitally without occlusal bases, using a handheld scanner and specially designed headgear. The headgear maintained the mandibular position. Ten edentulous patients' upper (U) and lower edentulous jaw models (L) were prepared and scanned. A handheld scanner was used to capture the labial alveolar ridge mucosa relations in the upper and lower anterior arches directly (Dr). U and L were registered to Dr (test group)...
June 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29852211/long-term-changes-in-oral-health-related-quality-of-life-over-a-period-of-5-years-in-patients-treated-with-narrow-diameter-implants-a-prospective-clinical-study
#7
Daniel R Reissmann, Norbert Enkling, Rim Moazzin, Marius Haueter, Andreas Worni, Martin Schimmel
OBJECTIVES: The aim of this study was to assess long-term changes in oral health-related quality of life (OHRQoL) over a period of 5 years in patients treated with narrow diameter implants (NDI) in the mandible for support of an overdenture. METHODS: In this prospective clinical study, a consecutive sample of 20 edentulous patients who had worn sufficient complete dentures for at least 12 weeks was provided with four immediately loaded one-piece titanium NDIs in the mandible...
May 28, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29851120/patient-satisfaction-with-occlusal-scheme-of-conventional-complete-dentures-a-randomized-clinical-trial-part-ii
#8
Hedaiat Moradpoor, Fatemeh Salari, Behnaz Ebadian, Sahar Raissi, Mohammadjavad Shirani
BACKGROUND: The occlusion of choice is a controversial topic in conventional complete denture (CCD) treatment. OBJECTIVES: This study aimed to compare patient satisfaction with CCD with partially group-function occlusion (PGFO), fully bilateral balanced occlusion (FBBO), buccalized occlusion (BO), lingualized occlusion (LO) and the entire balanced group. METHODS: Participants received new CCDs with PGFO. All steps of patient enrolment, denture fabrication, assessments during the follow-up period, and data collection were done exactly the same as part 1 of this research project...
May 31, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29807976/a-comprehensive-review-on-the-errors-that-occur-during-ideal-teeth-arrangement-for-complete-denture-prosthesis
#9
S Sriram Balaji, Vinaya Bhat
AIM: The aim of this article is to present a comprehensive review and a classification system on the various errors that occur during the ideal arrangement of artificial teeth for complete denture prosthesis. MATERIALS AND METHODS: Assessment of various classification systems presented for errors in artificial tooth arrangement and identifying the lacunae in each system. RESULTS: A comprehensive review and a classification system on the various errors that occur during the ideal arrangement of artificial teeth for complete denture prosthesis have been presented...
May 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29797848/prosthetic-rehabilitation-with-implant-supported-mandibular-overdenture-after-partial-glossectomy-and-radiation-therapy-a-case-report
#10
E Rissa, T Kurki, J Laine, T Närhi
Implant-supported overdenture is a well-established treatment option for many patients who have functional problems with conventional dentures. It may be primary choice for patients with altered jaw anatomy, neuromuscular disorders, pronounced gag reflex, severe residual ridge resorption and oral tissue defects. In this article we describe a case report, where tongue cancer patients occlusion was rehabilitated with an implantretained overdenture. In 2001 patient was operated for squamous cell carcinoma on the left side of the tongue...
May 30, 2018: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/29781555/dependence-on-others-for-oral-hygiene-and-its-association-with-hand-deformities-and-functional-impairment-in-elders-with-a-history-of-leprosy
#11
Raquel Conceição Ferreira, Talita Xavier Gonçalves, Anna Rachel Dos Santos Soares, Luísa Rodrigues de Abreu Carvalho, Fernanda Lamounier Campos, Marco Túlio de Freitas Ribeiro, Andrea Maria Eleutério de Barros Lima Martins, Efigênia Ferreira E Ferreira
OBJECTIVE: To analyse the frequency of dependence on others for oral hygiene and its association with hand deformities, frailty and dependence on others for basic activities of daily living (BADL) among elders with a history of leprosy. BACKGROUND: Dependence on others for oral hygiene has not been considered in multifunctional geriatric assessments. MATERIAL AND METHODS: Edentulous elders with a history of leprosy who used complete dentures and resided in a former leprosy colony were classified as independent or partially/completely dependent on others for brushing their dentures or rinsing and for BADL, and as frail or robust...
May 21, 2018: Gerodontology
https://www.readbyqxmd.com/read/29772035/two-step-immediate-loading-of-mandibular-overdentures-retained-by-mini-implants-a-prospective-clinical-study
#12
Jin-Hong Park, Sang-Wan Shin, Jeong-Yol Leea
PURPOSE: This study aimed to evaluate treatment outcomes of mandibular overdentures retained by two different mini-implant systems with ball attachments under a two-step immediate loading protocol. MATERIALS AND METHODS: This clinical trial investigated treatment outcomes of mandibular mini-implant overdentures in 45 edentulous patients. MDI implants (3M ESPE) and SlimLine implants (Dentium) were randomly selected for placement in the anterior mandible in each group (MDI = 21; SlimLine = 24) with a flapless surgical approach...
May 17, 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29772031/stresses-in-implant-supported-fixed-complete-dentures-with-different-screw-tightening-sequences-and-torque-application-modes
#13
Leonardo H Barcellos, Marina Lobato Palmeiro, Marcos M Naconecy, Tomás Geremia, André Cervieri, Rosemary S Shinkai
PURPOSE: To compare the effects of different screw-tightening sequences and torque applications on stresses in implant-supported fixed complete dentures supported by five abutments. MATERIALS AND METHODS: Strain gauges fixed to the abutments were used to test the sequences 2-4-3-1-5; 1-2-3-4-5; 3-2-4-1-5; and 2-5-4-1-3 with direct 10-Ncm torque or progressive torque (5 + 10 Ncm). Data were analyzed using analysis of variance and standardized effect size. RESULTS: No effects of tightening sequence or torque application were found except for the sequence 3-2-4-1-5 and some small to moderate effect sizes...
May 17, 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29768340/the-patient-general-satisfaction-of-mandibular-single-implant-overdentures-and-conventional-complete-dentures-study-protocol-for-a-randomized-crossover-trial
#14
Manabu Kanazawa, Mariko Tanoue, Anna Miyayasu, Shin Takeshita, Daisuke Sato, Mari Asami, Thuy Vo Lam, Khaing Myat Thu, Ken Oda, Yuriko Komagamine, Shunsuke Minakuchi, Jocelyne Feine
BACKGROUND: Mandibular overdentures retained by a single implant placed in the midline of edentulous mandible have been reported to be more comfortable and function better than complete dentures. Although single-implant overdentures are still more costly than conventional complete dentures, there are a few studies which investigated whether mandibular single-implant overdentures are superior to complete dentures when patient general satisfaction is compared. The aim of this study is to assess patient general satisfaction with mandibular single-implant overdentures and complete dentures...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29760818/short-term-crossover-study-on-the-effect-of-orthogonalized-deep-grooved-posterior-artificial-teeth-on-the-masticatory-efficiency-of-complete-denture-wearers
#15
Yuki Hashimoto, Kyoko Sugimoto, Yuki Tanaka, Hikaru Sugimoto, Shogo Minagi
Background: Mastication has been regarded to play an important role in achieving quality daily life for the elderly. On the occlusal surface of posterior artificial teeth, parallel grooves of 1 mm depth and 1 mm width with an inter-groove distance of 2 mm have been found to significantly improve masticatory efficiency on a mechanical simulator. Materials and Methods: In the present study, the effect of the grooved design on masticatory efficiency in edentulous subjects using a short-term crossover trial was evaluated...
2018: Open Dentistry Journal
https://www.readbyqxmd.com/read/29758255/do-traditional-techniques-produce-better-conventional-complete-dentures-than-simplified-techniques-a-10-year-follow-up-of-a-randomized-clinical-trial
#16
Yasuhiko Kawai, Hiroshi Muarakami, Jocelyne S Feine
OBJECTIVES: The use of a simplified method (S) of fabricating complete dentures has been shown to be more cost-efficient than the traditional method (T), and there are no negative consequences that detract from the cost savings in the short term. However, it is not clear whether this remains constant over a decade. The objective of this study was to clarify patients' perspectives and determine any differences between the dentures fabricated with these two different techniques after a decade of use...
May 11, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29732017/evaluation-of-strain-in-mandibular-denture-supporting-area-in-three-different-occlusal-schemes-during-jaw-movements
#17
Ali Hafezeqoran, Roodabeh Koodaryan, Seyed Gholamreza Noorazar, Masoud Hajialilue-Bonab, Mehran Hassanzadeh, Neda Yasamineh
Background. Various occlusal schemes have been introduced over the years to enhance the stability, comfort, beauty and function of complete denture, of which lingualized, bilateral balanced and monoplane occlusions are the most recommended. The aim of this study was to compare the strain in mandibular denture-supporting structures in three different occlusal schemes. Methods. Two mandibular and maxillary models were simulated using epoxy resin, and strain gauges were embedded on each side of the mandible in mental foramen, buccal shelf and distolingual area...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/29724562/impact-of-crestal-bone-resorption-on-quality-of-life-and-professional-maintenance-with-conventional-dentures-or-locator-retained-mandibular-implant-overdentures
#18
Carine Matthys, Stijn Vervaeke, Wolfgang Jacquet, Hugo De Bruyn
STATEMENT OF PROBLEM: The influence of the mandibular resorption profile on clinical outcome after converting a conventional complete denture into a Locator-retained implant overdenture is unknown. PURPOSE: The purpose of this prospective study was to assess the oral health-related quality of life (OHRQoL) and prosthetic maintenance of mandibular overdentures on 2 Locator abutments in relation to the resorption degree of the edentulous mandible. MATERIAL AND METHODS: Twenty-five participants were treated and classified according to the Cawood and Howell (CAW-H) resorption classification for the resorption profile of the mandible, CAW-H group III-IV (n=14) and CAW-H group V (n=11)...
April 30, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29724546/postmortem-evaluation-of-mandibular-implant-supported-fixed-complete-denture-after-30-years-of-service
#19
WookJin Seong, James Lee, Luis Delima, Hari S Prasad, Heather J Conrad, Dennis Tarnow
A postmortem evaluation of a 5-implant-supported mandibular fixed complete denture that had successfully opposed a maxillary conventional complete denture for 30 years was undertaken. Before embalming, radiographs, implant stability measurements, push-in failure load tests, and histomorphometric analyses were performed on the implants and the mandible. Evaluation of this cadaver suggests that an edentulous mandible restored with an implant-supported fixed prosthesis can function successfully for over 30 years with few complications...
April 30, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29723324/relationship-between-quality-of-complete-dentures-and-user-satisfaction-at-1-and-5-years-postinsertion
#20
Marília Miranda da Conceição Araújo, Mara Rodrigues Martins, Anna Rachel Dos Santos Soares, Luísa Rodrigues de Abreu Carvalho, Viviane Elisângela Gomes, Efigênia Ferreira E Ferreira, Luís Otávio Miranda Cota, Maria Inês Barreiros Senna, Raquel Conceição Ferreira
AIMS: To evaluate the effects of complete denture (CD) quality and user satisfaction on the use of CDs provided by primary care services at 1 and 5 years postinsertion. MATERIALS AND METHODS: A random sample of 233 individuals were evaluated regarding the use of maxillary and/or mandibular CDs at 1 and 5 years after insertion; at both time points, denture quality, integrity, and user satisfaction were measured. The covariates included age, gender, marital status, years of education, family income, past use of CD, time since maxillary teeth loss, mandibular ridge height, and frequency of return visits to the dentist after receiving the prostheses...
May 2018: International Journal of Prosthodontics
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