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https://www.readbyqxmd.com/read/29772035/two-step-immediate-loading-of-mandibular-overdentures-retained-by-mini-implants-a-prospective-clinical-study
#1
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
#2
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
#3
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/29766545/association-of-handgrip-strength-with-various-oral-functions-in-82-to-84-year-old-community-dwelling-japanese
#4
Yusuke Mihara, Ken-Ichi Matsuda, Kazunori Ikebe, Koudai Hatta, Motoyoshi Fukutake, Kaori Enoki, Taiji Ogawa, Hajime Takeshita, Chisato Inomata, Yasuyuki Gondo, Yukie Masui, Kei Kamide, Ken Sugimoto, Mai Kabayama, Tatsuro Ishizaki, Yasumichi Arai, Yoshinobu Maeda
OBJECTIVE: The purpose of this study was to elucidate the associations between muscle strength and several oral functions in a large cohort of community-dwelling, 82- to 84-year-old community-dwelling Japanese people. BACKGROUND DATA DISCUSSING THE PRESENT STATUS OF THE FIELD: Several studies have examined the relationships between physical performance and oral functions. However, no studies have investigated the associations of muscle strength with various objectively evaluated oral functional parameters in a large cohort of very old adults...
May 15, 2018: Gerodontology
https://www.readbyqxmd.com/read/29761988/-research-on-preparation-and-performance-of-ceramic-denture-materials-applied-for-three-dimensional-printing
#5
Jing Zhou, Guolin Duan
The micro-flow extrusion forming of ceramic material has not been developed in three dimensional (3D) printing field. The shape forming of material is by bonding and stacking of filaments of ceramic slurry extruded through micro-sized pores with rather large gaps and porosities, which can affect material's density after sintering and its mechanical property thereafter. Aiming at such a deficiency of this process, the preparation method of ceramic denture printing paste applicable to the process is studied, and the properties of slurry and sintering performance are analyzed and tested...
December 1, 2017: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29761544/effect-of-dietary-counselling-with-prosthetic-restoration-on-fruit-and-vegetable-intake-in-partially-dentate-patients-a-prospective-study
#6
Gen Nabeshima, Kenji Fueki, Yuka Inamochi, Noriyuki Wakabayashi
The aim of this study was to investigate the effects of a counselling-based dietary intervention on nutritional status in partially dentate patients receiving removable partial dentures (RPDs). Thirty-eight patients [mean age (standard deviation): 73.2 (7.7) years] who were scheduled to receive RPDs at a dental hospital and were currently eating < 350 g of vegetables per day were included in the study. A dentist provided basic dietary counselling aimed at increasing dietary fruit and vegetable intake and improving dietary habits...
May 14, 2018: Journal of Oral Rehabilitation
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
#7
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/29760817/telescopic-denture
#8
REVIEW
Mohammad Ayham Hakkoum, Ghassan Wazir
Aim: This article explains the concept of telescopic denture. Procedure: It describes the different types of telescopic attachment (or double crown), and provides an overview of the advantages and the disadvantages of this type of prosthodontic treatment. Conclusion: The indications and the clinical applications of telescopic denture are discussed.
2018: Open Dentistry Journal
https://www.readbyqxmd.com/read/29759652/the-severity-of-denture-stomatitis-as-related-to-risk-factors-and-different-candida-spp
#9
Mirjana Perić, Rade Živković, Aleksandra Milić Lemić, Milena Radunović, Biljana Miličić, Valentina Arsić Arsenijević
OBJECTIVES: 1) To select patients with Candida-related denture stomatitis (DS) and to study possible risk factors associated with DS, 2) to evaluate the severity of DS according to Newton's classification, and 3) to investigate the association between the presence of non-albicans Candida spp. (NAC) or mixed Candida spp. and the severity of DS. STUDY DESIGN: Eighty-two patients with Candida-positive DS have undergone 1) filling in the interview questionnaire, 2) clinical examination, and 3) microbiologic examination...
March 22, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
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
#10
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/29753276/impaction-of-swallowed-dentures-in-the-sigmoid-colon-requiring-sigmoid-colectomy
#11
Michael Flanagan, Cillian Clancy, Micheal G O Riordain
INTRODUCTION: Foreign body (FB) ingestion results in perforation in 1% of cases and is associated with significant morbidity and rarely mortality. Clinical presentation is variable and can present a diagnostic challenge. We report our experience and management of a patient with a delayed presentation of a sigmoid colon foreign body as a result of ingestion of a dental plate. PRESENTATION OF CASE: A 67 year old female attended the colorectal outpatient clinic following an incidental finding of a sigmoid mass on computed tomography (CT) abdomen...
May 7, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29747193/contemporary-teaching-of-bridges-fixed-partial-dentures-in-ireland-and-united-kingdom-dental-schools
#12
S S Virdee, C D Lynch, L Sadaghiani, L D Addy, A S M Gilmour, I R Blum, N H F Wilson
No abstract text is available yet for this article.
May 11, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29745321/selected-applications-for-current-polymers-in-prosthetic-dentistry-state-of-the-art
#13
Maciej Kawala, Joanna Smardz, Lukasz Adamczyk, Natalia Grychowska, Mieszko Wieckiewicz
BACKGROUND: Polymers are widely applied in medicine, including dentistry, i.e. in prosthodontics. AIM: The following paper is aimed at demonstrating the applications of selected modern polymers in prosthetic dentistry based on the reported literature. MATERIAL AND METHODS: The study was conducted using the PubMed, SCOPUS and CINAHL databases in relation to documents published during 1999-2017. The following keywords were used: polymers with: prosthetic dentistry, impression materials, denture base materials, bite registration materials, denture soft liners, occlusal splint materials and 3D printing...
May 10, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29742260/porosity-water-sorption-and-solubility-of-denture-base-acrylic-resins-polymerized-conventionally-or-in-microwave
#14
Rosana Marques Silva Figuerôa, Bruna Conterno, César Augusto Galvão Arrais, Carolina Yoshi Campos Sugio, Vanessa Migliorini Urban, Karin Hermana Neppelenbroek
The proper selection of polymerization cycle is important to prevent overheating of the monomer that could cause degradation, porosity and, consequently, deleterious effects on the denture base properties. Objective This study evaluated the porosity, water sorption and solubility of acrylic resins (Vipi Cril-VC and Vipi Wave-VW) after conventional or microwave polymerization cycles. Material and Methods Specimens (n = 10) were made and cured: 1-WB = 65°C during 90 min + boiling during 90 min (VC cycle - control group); 2-M25 = 10 min at 270 W + 5 min at 0 W + 10 min at 360 W (VW cycle); 3-M3 = 3 min at 550 W; and 4-M5 = 5 min at 650 W...
2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29741216/the-development-of-nonanatomic-denture-occlusion-part-ii
#15
Robert L Engelmeier
This second part of a four-part series concerned with the development of nonanatomic denture occlusion follows nonanatomic tooth design from the time of Victor Sears' first nonanatomic tooth patent through the mid-1930s. Many of the designs featured in this series exhibit genius, while others are pure nonsense. Sears claimed that a new nonanatomic tooth design appeared every 9 months on average during the first 30 years of nonanatomic tooth production. Many current nonanatomic tooth patents are further refinements of those earlier designs...
May 9, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29734781/mechanical-and-physicochemical-properties-of-newly-formed-zno-pmma-nanocomposites-for-denture-bases
#16
Mariusz Cierech, Izabela Osica, Adam Kolenda, Jacek Wojnarowicz, Dariusz Szmigiel, Witold Łojkowski, Krzysztof Kurzydłowski, Katsuhiko Ariga, Elżbieta Mierzwińska-Nastalska
AIM: The aim of this study was to investigate the selected properties of zinc oxide- polymethyl methacrylate (ZnO-PMMA) nanocomposites that can influence the microorganism deposition on their surface. MATERIALS AND METHODS: Non-commercial ZnO-NPs were prepared, characterized and used for the preparation of PMMA nanocomposite. Roughness, absorbability, contact angle and hardness of this new nanomaterial were evaluated. PMMA without ZnO-NPs served as control. OUTCOMES: Compared to unenriched PMMA, incorporation of ZnO-NPs to 7...
May 6, 2018: Nanomaterials
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/29731487/development-of-antibacterial-denture-cleaner-for-brushing-containing-tea-tree-and-lemongrass-essential-oils
#18
Yusaku Koseki, Rika Tanaka, Hiroshi Murata
We evaluated effectiveness of tea tree oil (TO) and lemongrass oil (LO) for removal of Candida biofilm from denture base resin and their influence on that surface. Biofilm of C. albicans was formed on resins, and immersed in various concentrations of each oil and distilled water (DW). The biofilm removal effect was determined by incubating specimens in RPMI medium containing Alamar blue (AB) and measuring absorbance. Wear test was also conducted, and surface condition of resins was determined using laser scanning microscope and digital microscope...
May 2, 2018: Dental Materials Journal
https://www.readbyqxmd.com/read/29728554/bilateral-condylar-hyperplasia-nonsurgical-management-a-clinical-report
#19
Adrian Seto, Michael G Botelho, Edward Ht Ho, Nithya Jagannathan
Background: Patients present with malocclusions in the form of bilateral open bite with functional and esthetic challenges. These are particularly so whereby these are acquired through growth anomalies that create a change in the occlusal status whereby a patient has to adapt to the challenge of the occlusal change. While surgical intervention is a considered option to correct such changes, not all patients are willing to endure the consequences of this intervention and as such this report presents a conservative minimally invasive approach...
April 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29728082/influence-of-denture-surface-roughness-and-host-factors-on-dental-calculi-formation-on-dentures-a-cross-sectional-study
#20
Keisuke Matsumura, Yuji Sato, Noboru Kitagawa, Toshiharu Shichita, Daisuke Kawata, Mariko Ishikawa
BACKGROUND: Dental calculi formation on dentures can worsen the oral cavity environment by complicating oral hygiene. However, few studies have investigated the effect of how patients use and manage their dentures, denture surface roughness, and host factors such as oral cavity dryness and saliva properties on denture cleanliness and denture dental calculi formation. Accordingly, we conducted the present survey to evaluate these factors to clarify the strength of the influence of each factor...
May 4, 2018: BMC Oral Health
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