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https://www.readbyqxmd.com/read/28637230/perceived-stress-and-its-relationship-with-chronic-conditions-and-multimorbidity-among-229-293-community-dwelling-adults-in-44-low-and-middle-income-countries
#1
Davy Vancampfort, Ai Koyanagi, Philip B Ward, Nicola Veronese, André F Carvalho, Marco Solmi, James Mugisha, Simon Rosenbaum, Marc De Hert, Brendon Stubbs
This study assessed the association of chronic conditions and multimorbidity with perceived stress among community-dwelling adults in 44 low- and middle-income countries. Data were analyzed from the World Health Survey (2002-2004) including 229,293 adults. A perceived stress score [range 0 (lowest stress) -100 (highest stress)] was computed based on two questions from the Perceived Stress Scale. Eleven chronic conditions were assessed. Multivariable linear regression analyses were conducted to explore the associations...
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28631408/resonance-frequency-analysis-of-dental-implants-placed-at-the-posterior-maxilla-varying-the-surface-treatment-only-a-randomized-clinical-trial
#2
Marcelo M Novellino, Newton Sesma, Piero R Zanardi, Dalva C Laganá
BACKGROUND: Chemical modifications of the dental implant surface that improve the wettability result in a faster and better osseointegration. PURPOSE: The aim of this randomized clinical trial was to evaluate the implant stability quotient (ISQ) of implants with similar designs, treated with 2 surfaces, sandblasted acid-etched (SAE) and hydrophilic SAE, within the initial 16 weeks of healing. MATERIAL AND METHODS: A total of 64 implants (32 SAE-control group and 32 modified SAE-test group) with the same design, length, and diameter (conical and compressive, 4...
June 20, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28630862/influence-of-deformation-and-stress-between-bone-and-implant-from-various-bite-forces-by-numerical-simulation-analysis
#3
Hsin-Chung Cheng, Boe-Yu Peng, May-Show Chen, Chiung-Fang Huang, Yi Lin, Yung-Kang Shen
Endosseous oral implant is applied for orthodontic anchorage in subjects with multiple tooth agenesis. Its effectiveness under orthodontic loading has been demonstrated clinically and experimentally. This study investigates the deformation and stress on the bone and implant for different bite forces by three-dimensional (3D) finite element (FE) methods. A numerical simulation of deformation and stress distributions around implants was used to estimate the survival life for implants. The model was applied to determine the pattern and distribution of deformations and stresses within the endosseous implant and on supporting tissues when the endosseous implant is used for orthodontic anchorage...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28628951/cranial-indicators-identified-for-peak-incidence-of-otitis-media
#4
Anthony Pagano, Eugene Wang, Derek Yuan, Daniel Fischer, Charles Bluestone, Samuel Marquez, Jeffrey Laitman
Acute otitis media (AOM) is one of the most common pediatric conditions worldwide. Peak age of occurrence for AOM has been identified within the first postnatal year and it remains frequent until approximately six postnatal years. Morphological differences between adults and infants in the cartilaginous Eustachian tube (CET) and associated structures may be responsible for development of this disease yet few have investigated normal growth trajectories. We tested hypotheses on coincidence of skeletal growth changes and known ages of peak AOM occurrence...
June 19, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28628357/continuous-periosteal-strapping-sutures-cpss-for-fixation-of-osseous-grafts-with-resorbable-membranes-for-buccal-ridge-augmentation
#5
Tamir Shalev, Gregori M Kurtzman, Alon H Shalev, Deborah K Johnson, Mark Elias Kersten
GBR is a technique sensitive procedure that routinely involves placement of particulate bone with or without fixation screws and either a resorbable or a non-resorbable membrane. Grafting of the buccal-crestal aspect of the implant site can be particularly challenging as external pressure from the flap or occlusal forces may displace the graft laterally and apically resulting in deficient bone in the desired region. A novel technique for stabilizing a resorbable membrane and underlying particulate graft allowing for predictable bone grafting across multiple edentulous sites...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28628356/clips-versus-resilient-liners-used-with-bilateral-posterior-prefabricated-bars-for-retaining-four-implant-supported-mandibular-overdentures
#6
Mona Gibreel, Mohammed Fouad, Fatma El-Waseef, Nesma El-Amier, Hamdy Marzook
The objective of this research was to clinically compare peri-implant tissue health of bar-clips versus silicone-resilient liners used with bilateral posterior bars for retaining four implant supported mandibular overdentures. Thirty completely edentulous male patients (mean age 65) were randomly assigned into two equal groups. Each patient received four implants in canine and first molar regions of the mandible using flapless surgical technique. Mandibular overdentures were immediately connected to the implants with bilateral prefabricated instant adjusting bars...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28628354/soft-tissue-enhancement-and-implant-placement-following-partial-mandibulectomy-due-to-squamous-cell-carcinoma
#7
Fabio Bernardello, Giampietro Bertasi, Ralph Mackey Powers, Sergio Spinato, Andrea Viaggi, Jimmie Bullock, Pietro Felice
Many dental procedures allow for implant placement in partially or totally edentulous patients. Despite the availability of various implant and abutment types on the market, it often becomes quite challenging to achieve the biological and esthetic goals in a patient who has ridge deficiencies. Where problems will arise is from the lack of adequate bone quality and quantity.1,2 Soft tissue form and maintenance is also a consideration to evaluate.3 Primary reconstructive techniques following segmental mandibulectomy is evolving and improves quality of life...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28625664/effects-of-different-numbers-of-mini-dental-implants-on-alveolar-ridge-strain-distribution-under-mandibular-implant-retained-overdentures
#8
Pongsakorn Warin, Pimduen Rungsiyakull, Chaiy Rungsiyakull, Pathawee Khongkhunthian
PURPOSE: To investigate the strains around mini-dental implants (MDIs) and retromolar edentulous areas when using different numbers of MDIs in order to retain mandibular overdentures. MATERIALS AND METHODS: Four different prosthetic situations were fabricated on an edentulous mandibular model including a complete denture (CD), and three overdentures, retained by four, three or two MDIs in the interforaminal region with retentive attachments. A static load of 200N was applied on the posterior teeth of the dentures under bilateral or unilateral loading conditions...
June 15, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/28624182/oral-appliances-for-the-management-of-osa-an-updated-review-of-the-literature
#9
REVIEW
Mona M Hamoda, Yuuya Kohzuka, Fernanda R Almeida
Oral appliances (OAs) are becoming increasingly recognized not only as an alternative, but also possibly as an adjunct treatment modality for obstructive sleep apnea (OSA). Compared to Continuous Positive Airway Pressure (CPAP), the gold standard therapy, OAs are less efficacious but are more accepted and tolerated by the patients which may in turn lead to a comparable therapeutic effectiveness. Different oral appliance designs currently exist and even more are constantly emerging. Additionally, state of the art technologies are being utilized in the fabrication of many however, all the currently available OAs employ the same mechanism of action by targeting the anatomical component involved in the pathogenesis of the disease...
June 14, 2017: Chest
https://www.readbyqxmd.com/read/28623685/two-stage-ridge-split-at-narrow-alveolar-mandibular-bone-ridges
#10
Ivo Agabiti, Daniele Botticelli
PURPOSE: When the bone ridge is corticalized, the displacement of the buccal plate may result in an unintentional malfracture. The aim of this study was to report the results of a 2-stage atrophic alveolar ridge expansion performed with a sonic-air surgical instrument. MATERIALS AND METHODS: In this retrospective cohort study, the atrophic distal segments of the mandible were treated by a split-thickness flap approach and application of an alveolar ridge expansion performed in 2 surgical phases...
May 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28621282/radiographic-screening-of-patients-in-a-dental-school-using-the-prosthodontic-diagnostic-index
#11
Sharaz Shaik, Eman Alamodi, Ghaliah Alshahrani, Khalid H Alfaifi
INTRODUCTION: Organization of the findings associated with various diagnostic aids plays a key role in formulating the treatment plan of the patients undergoing dental and medical treatment. Enhanced consistency in diagnosing and classifying prosthodontic patients is the basic purpose of various classification systems. Hence, we planned this study to classify partially edentulous patients and completely dentate patients at the undergraduate clinics using the prosthodontic diagnostic index (PDI)...
June 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28621037/gingival-morphology-controlled-design-of-the-complete-denture-baseplate
#12
Ning Dai, Xiaoling Yu, Yuchun Sun
A removable complete denture is still the main selection for edentulous patients. Over the last five years, digital technologies for producing complete dentures have rapidly developed. Nevertheless, the design method for the baseplate has become the bottleneck of digital complete denture technology development. In this study, we report a novel method for the generation of aesthetic gingiva and polished surfaces of complete dentures that are driven by the feature curve, which can be conveniently modified using the gingival shape factor...
June 16, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28618734/a-comparison-of-usage-of-the-laryngeal-mask-unique-tm-in-denticulate-and-edentulate-geriatric-patients
#13
Meltem Genez, Semih Küçükgüçlü, Şule Özbilgin, Bahar Kuvaki, Tangül Beydeş, Melek Aksoy Sari
BACKGROUND/AIM: Mask ventilation in geriatric and edentulous patients can be ineffective or even impossible because of the shape inside the patients' cheeks. For patients for whom a mask cannot be used for long, the use of a laryngeal mask can ease the administration of anesthesia. The aim of this study was to compare the use of the laryngeal mask Unique(TM) in denticulate and edentulate patients aged over 65 years. MATERIALS AND METHODS: This prospective study included patients according to the American Society of Anesthesiologists I-III classification, aged 65 years or more...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28618432/accuracy-of-digital-vs-conventional-implant-impression-approach-a-three-dimensional-comparative-in-vitro-analysis
#14
Kinga Basaki, Hasan Alkumru, Grace De Souza, Yoav Finer
PURPOSE: To assess the three-dimensional (3D) accuracy and clinical acceptability of implant definitive casts fabricated using a digital impression approach and to compare the results with those of a conventional impression method in a partially edentulous condition. MATERIALS AND METHODS: A mandibular reference model was fabricated with implants in the first premolar and molar positions to simulate a patient with bilateral posterior edentulism. Ten implant-level impressions per method were made using either an intraoral scanner with scanning abutments for the digital approach or an open-tray technique and polyvinylsiloxane material for the conventional approach...
June 14, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28613055/-comparison-of-adaptation-and-microstructure-of-titanium-upper-complete-denture-base-fabricated-by-selecting-laser-melting-and-electron-beam-melting
#15
Y Ye, Y Y Xiong, J R Zhu, J Sun
Objective: To fabricate Ti alloy frameworks for a maxillary complete denture with three-dimensional printing (3DP) technique, such as selective laser melting (SLM) and electron beam melting (EBM), and to evaluate the microstructure of these frameworks and their adaptation to the die stone models. Methods: Thirty pairs of edentulous casts were divided into 3 groups randomly and equally. In each group, one of the three techniques (SLM, EBM, conventional technique) was used to fabricate Ti alloy frameworks. The base-cast sets were transversally sectioned into 3 sections at the distal of canines, mesial of first molars, and the posterior palatal zone...
June 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28613054/-quantitative-evaluation-of-printing-accuracy-and-tissue-surface-adaptation-of-mandibular-complete-denture-polylactic-acid-pattern-fabricated-by-fused-deposition-modeling-technology
#16
K H Deng, Y Wang, H Chen, Y J Zhao, Y S Zhou, Y C Sun
Objective: To quantitatively evaluate the adaptation of polylactic acid (PLA) pattern of mandibular complete denture fabricated by fused deposition modeling (FDM) technology. Methods: A mandibular complete denture digital model was designed through a complete denture design software based on a pair of standard maxillomandibular edentulous plaster model and their occlusion bases. Ten PLA mandibular complete dentures were printed with a FDM machine. The dentures were scanned with and without the plaster model using a three-dimensional (3D) scanner...
June 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28609491/interpositional-augmentation-technique-in-the-treatment-of-posterior-mandibular-atrophies-a-retrospective-study-comparing-129-autogenous-and-heterologous-bone-blocks-with-2-to-7-years-follow-up
#17
Pietro Felice, Carlo Barausse, Antonio Barone, Giovanni Zucchelli, Maurizio Piattelli, Roberto Pistilli, Daniela Rita Ippolito, Massimo Simion
The aim of this retrospective study was to compare clinical and radiographic outcomes of the interpositional (inlay) augmentation technique in atrophic posterior partially edentulous mandibles using three different types of block bone grafts: autogenous bone block harvested from the iliac crest, deproteinized bovine bone mineral block, and collagenated equine bone block. A total of 115 patients were included with a 4.2-year mean after-loading follow-up. Data seem to suggest that heterologous bone blocks are similar in results to autogenous bone blocks, so they might be considered preferable as they avoid invasive harvesting surgeries...
July 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28605598/dental-status-and-compression-of-life-expectancy-with-disability
#18
Y Matsuyama, J Aida, R G Watt, T Tsuboya, S Koyama, Y Sato, K Kondo, K Osaka
This study examined whether the number of teeth contributes to the compression of morbidity, measured as a shortening of life expectancy with disability, an extension of healthy life expectancy, and overall life expectancy. A prospective cohort study was conducted. A self-reported baseline survey was given to 126,438 community-dwelling older people aged ≥65 y in Japan in 2010, and 85,161 (67.4%) responded. The onset of functional disability and all-cause mortality were followed up for 1,374 d (follow-up rate = 96...
June 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28602825/comparative-evaluation-of-the-effectiveness-of-the-implantation-in-the-lateral-part-of-the-mandible-between-short-tissue-level-te-and-bone-level-bl-implant-systems
#19
Jakub Hadzik, Ute Botzenhart, Maciej Krawiec, Tomasz Gedrange, Friedhelm Heinemann, Andras Vegh, Marzena Dominiak
Short dental implants can be an alternative method of treatment to a vertical bone augmentation procedure at sites of reduced alveolar height. However, for successful treatment, an implant system that causes a minimal marginal bone loss (MBL) should be taken into consideration. The aim of the study has been to evaluate implantation effectiveness for bone level and tissue level short implants provided in lateral aspects of partially edentulous mandible and limited alveolar ridge height. The MBL and primary as well as secondary implant stability were determined in the study...
June 7, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28600815/neutral-zone-or-conventional-mandibular-complete-dentures-a-randomized-cross-over-trial-comparing-oral-health-related-quality-of-life
#20
Greta A V M Geerts
There is widespread consensus that the neutral zone (NZ) concept contributes to improved stability for mandibular complete dentures (CDs). However, little is known about its impact on oral health-related quality of life (OHRQoL) of edentulous patients compared to conventionally (CV) manufactured dentures. In this prospective cross-over trial, performed at the Oral Health Centre of the University of the Western Cape, CV and NZ mandibular dentures were made for each patient. Scores from the 20-item oral health impact profile (OHIP-20) for both types of dentures were compared with pre-treatment scores using paired t-tests...
June 10, 2017: Journal of Oral Rehabilitation
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