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https://www.readbyqxmd.com/read/29341956/microbiome-associated-with-denture-malodour
#1
S Yitzhaki, L Reshef, U Gophna, M Rosenberg, N Sterer
In the past, our inability to cultivate most of the oral microorganisms has limited our view of this complex ecosystem. In the present study, we utilized next generation deep sequencing techniques to revisit the microbiome associated with denture malodour, a growing field with the rise in life expectancy. The study population comprised 26 full dentures patients (mean age 71 ± 6.4, 10 males, 16 females) who visited the Tel Aviv University dental geriatric clinic. Denture malodour was rated organoleptically by a single odour judge, and dentures scoring 2 and above were considered malodour positive...
January 17, 2018: Journal of Breath Research
https://www.readbyqxmd.com/read/29340482/clear-cell-odontogenic-carcinoma-of-the-mandible-a-treatment-strategy
#2
Sabrina Ferreira, Leonardo Perez Faverani, Gabriel Mulinari Dos Santos, Everton Pontes Martins, Idelmo Rangel Garcia Júnior
Clear cell odontogenic carcinoma (CCOC) is a rare odontogenic tumor of the jaws, histologically characterized by the presence of agglomerates of cells with eosinophilic cytoplasm. The patient, a 62-year-old Caucasian woman, presented an intraosseous lesion in the mandibular symphysis. A clinical examination revealed a discrete volumetric increase with a hard consistency, palpable to extraoral and intraoral examinations. Imaging studies revealed an extensive radiolucent area, without defined limits, extending from the region of the right second premolar to the left canine...
January 15, 2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29340354/implant-mandibular-overdentures-retained-by-immediately-loaded-implants-a-1-year-randomized-trial-comparing-patient-based-outcomes-between-mini-dental-implants-and-standard-sized-implants
#3
Kostas Zygogiannis, Irene Ha Aartman, Daniel Wismeijer
PURPOSE: The aim of this 1-year randomized trial was to determine the stability and the magnitude of the effect of converting patients' conventional mandibular dentures to implant overdentures (IODs) on their satisfaction and oral health-related quality of life (OHRQoL). The IODs were retained either with two immediately loaded interconnected standard-diameter implants or with four immediately loaded mini dental implants (MDIs). MATERIALS AND METHODS: Fifty completely edentulous subjects complaining about insufficient retention of their mandibular dentures were randomly assigned to two groups; 25 patients received IODs retained with four MDIs and 25 patients received IODs retained with two standard-sized tissue level (STL) interconnected implants...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29340347/effect-of-attachment-type-on-denture-strain-in-maxillary-implant-overdentures-part-2-palateless-overdentures
#4
Toshihito Takahashi, Tomoya Gonda, Yoshinobu Maeda
PURPOSE: The aim of this study was to examine the deformation modality of palateless maxillary implant overdentures using isolated attachments under various implant configurations. MATERIALS AND METHODS: A maxillary edentulous model with implants inserted in the anterior, premolar, and molar areas was fabricated, and three types of unsplinted attachments-ball, locator, and magnet-were set on the implants distributed in various configurations. Experimental palateless dentures were fabricated, and two strain gauges were attached at the anterior midline of the labial and palatal sides...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29335684/association-between-self-perceived-oral-health-and-clinical-indicators
#5
Janet-Ofelia Guevara-Canales, Rafael Morales-Vadillo, Sonia-Julia Sacsaquispe-Contreras, Dora-Erika Alberca-Ramos, Hans Morgenstern-Orezzoli, Carlos-Enrique Cava-Vergiú
PURPOSE: To determine whether self-perceived oral health impact and satisfaction measure oral health in the same way as do clinical indicators in adults and older adults. MATERIALS AND METHODS: The population consisted of adult patients aged 20 to 59 years receiving care at "Juan Pablo II" Health Care Centre and older adult patients aged 60 or more years from the home for the elderly "Virgen del Amor Hermoso", Lima, Peru. The indices Oral Impacts on Daily Performance (OIDP) and Oral Satisfaction Scale of 0-10 (OSS 0-10) were used to evaluate perceived impact of and satisfaction with oral health...
January 15, 2018: Oral Health & Preventive Dentistry
https://www.readbyqxmd.com/read/29334297/perceptions-of-older-people-s-oral-health-care-among-nurses-working-in-geriatric-home-care
#6
Taru Aro, Marjo Laitala, Anna-Maija Syrjälä, Marja-Liisa Laitala, Jorma I Virtanen
OBJECTIVES: This study investigates nurses' self-reported experiences and perceptions of older people's oral health care using a qualitative method. METHODS: We interviewed 10 nurses working in geriatric home care who regularly visit and take care of older people in their homes. The interviews consisted of semi-structured questions. The interviews were then transcribed and analysed. RESULTS: All nurses were aware of the connection between oral health and general health, but more detailed knowledge about oral health was lacking and confidence in oral health care practices was limited...
January 15, 2018: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/29332104/assessment-of-the-fit-of-removable-partial-denture-fabricated-by-computer-aided-designing-computer-aided-manufacturing-technology
#7
Khalid A O Arafa
To assess the level of evidence that supports the quality of fit for removable partial denture (RPD) fabricated by computer-aided designing/computer aided manufacturing (CAD/CAM) and rapid prototyping (RP) technology. Methods: An electronic search was performed in Google Scholar, PubMed, and Cochrane library search engines, using Boolean operators. All articles published in English and published in the period from 1950 until April 2017 were eligible to be included in this review. The total number of articles contained the search terms in any part of the article (including titles, abstracts, or article texts) were screened, which resulted in 214 articles...
January 2018: Saudi Medical Journal
https://www.readbyqxmd.com/read/29330941/hydrophobic-and-hydrophilic-effects-on-water-structuring-and-adhesion-in-denture-adhesives
#8
Simrone K Gill, Nima Roohpour, Yiran An, Julien E Gautrot, Paul D Topham, Brian J Tighe
Denture adhesives are designed to be moisture-sensitive through the inclusion of a blend of polymer salts with varying degrees of water-sensitivity. This enables the adhesive to mix with saliva in vivo and activate its high tack, through the formation of a mucilaginous layer. We report for the first time, the use of differential scanning calorimetry (DSC) to study a series of hydrophobic and hydrophilic polymeric systems in order to correlate water-structuring behavior with adhesion strength. Adhesive bonding of the more hydrophobic variants was higher than that of a commercial-based control and a more hydrophilic polymer system in both lap shear and tensile configurations...
January 13, 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29326474/gerodontology-denture-loss-in-hospitals
#9
A Harrison
No abstract text is available yet for this article.
January 12, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29326443/aesthetic-possibilities-in-removable-prosthodontics-part-1-the-aesthetic-spectrum-from-perfect-to-personal
#10
J N Besford, A F Sutton
Patients requiring dentures are getting older and as a result can be difficult to treat owing to various co-morbidities. This series of papers presents an overview of the processes involved in making removable dentures which the patient considers to be functionally and aesthetically successful. We hope not only to provide technical suggestions but also to address the issue of the clinician's, technician's and dental nurse's relationships with the dentally depleted patient. It is increasingly clear from defence organisation reports that this has a decisive effect on the success of this fundamentally difficult enterprise ('The only branch of dentistry in which you are trying to attach something to nothing' [Hubert Aïche])...
January 12, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29323773/direct-fiber-reinforced-interim-fixed-partial-dentures-six-year-survival-study
#11
Luciana Maria Goguta, Adrian Candea, Diana Lungeanu, Mirela Frandes, Anca Jivanescu
PURPOSE: Mechanical and optical studies of glass fiber composites have revealed great resistance and satisfactory bonds between the glass fibers and composite resins. This study aimed to evaluate the long-term survival of anterior and posterior direct glass fiber-reinforced composite (FRC) fixed partial dentures (FPD). MATERIALS AND METHODS: Twenty-three patients (9 men, 14 women) aged 18 to 67 received 23 d-FRC-FPDs. The frameworks of the FPDs were unidirectional pre-impregnated glass fibers (ever Stick C&B)...
January 11, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29323129/comparison-of-adaptation-between-the-major-connectors-fabricated-from-intraoral-digital-impressions-and-extraoral-digital-impressions
#12
Ning Gan, Yaye Ruan, Jian Sun, Yaoyang Xiong, Ting Jiao
The objective was to compare the adaptation between the major connectors of removable partial dentures derived from intraoral digital impressions and extraoral digital impressions. Twenty-four volunteers were enrolled. Each volunteer received an intraoral digital impression and one extraoral digital impression digitized from conventional gypsum impression. A software was used to create the major connectors on digital impression datasets. After all the virtual major connectors designed from Group intraoral digital impressions (Group I) and Group extraoral digital impressions (Group E) were directly fabricated by 3D printing technique, the adaptation of the final major connectors in volunteers' mouths were measured...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322657/polyetheretherketone-overlay-prosthesis-over-high-noble-ball-attachments-to-overcome-base-metal-sensitivity-a-clinical-report
#13
Panagiotis Zoidis
A modified polyetheretherketone (PEEK) framework material in combination with heat-polymerized denture base acrylic resin was used for the fabrication of an overlay prosthesis for a patient sensitive to base metals. High noble metal was used for the fabrication of the post/coping/ball attachment assemblies to promote retention and stability. These protruding attachments into the acrylic resin could result in stress concentration; therefore, a framework is often used to strengthen the prosthesis. PEEK frameworks could be a treatment alternative to high noble or Ti frameworks since they combine good mechanical properties with biocompatibility, reduced cost, and common laboratory procedures...
January 11, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29321439/the-association-of-bite-instability-and-comorbidities-in-elderly-people
#14
Susumu Itakura, Masaaki Miyata, Atsushi Kuroda, Manabu Setoguchi, Atsushi Kusumoto, Daisuke Hokonohara, Mitsuru Ohishi
Objective The purpose was to evaluate the association between bite instability and comorbidities, comprehensive geriatric evaluations, or disabilities in elderly people. Methods A dentist examined the oral function, such as the bite stability, number of teeth, and the use of dentures, in 119 patients (93 women, mean age: 86.7±7.8) in 2 nursing homes for the elderly. The association between the oral function and the prevalence of diseases, including hypertension, diabetes mellitus, and dementia, was analyzed...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29317951/parafunctional-behaviors-and-its-effect-on-dental-bridges
#15
REVIEW
Amal Alharby, Hanan Alzayer, Ahmed Almahlawi, Yazeed Alrashidi, Samaa Azhar, Maan Sheikho, Anas Alandijani, Amjad Aljohani, Manal Obied
Parafunctional behaviors, especially bruxism, are not uncommon among patient visiting dentists' clinics daily and they constitute a major dental issue for almost all dentists. Many researchers have focused on the definition, pathophysiology, and treatment of these behaviors. These parafunctional behaviors have a considerable negative impact on teeth and dental prothesis. In this review, we focused on the impact of parafunctional behaviors on dental bridges. We summarized the definitions, epidemiology, pathophysiology, and consequences of parafunctional behaviors...
February 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29316022/association-between-buccal-mucosa-ridging-and-oral-or-occlusal-status-among-older-people
#16
Koji Morita, Takahiro Mori, Mariko Maruyama, Aya Hiraoka, Chiaki Higa, Azusa Kuroki, Mitsuyoshi Yoshida, Kazuhiro Tsuga
OBJECTIVES: The present study aimed to evaluate the association between buccal mucosa ridging and oral or occlusal statuses among older people. SUBJECTS AND METHODS: This cross-sectional study examined 262 independent older people (mean age, 74.2 ± 5.9 years) who participated in the Kyoto Elderly Physical Fitness Measurement Research Project. The predictor variables were oral statuses (number of present teeth and torus palatinus, torus mandibularis, temporomandibular joint noise, clenching, or grinding) and oral functions (occlusal pressure, cheek pressure, oral diadochokinesis, and tongue pressure)...
January 9, 2018: Oral Diseases
https://www.readbyqxmd.com/read/29314199/bilateral-balanced-occlusion-compared-to-other-occlusal-schemes-in-complete-dentures-a-systematic-review
#17
REVIEW
C A A Lemos, F R Verri, J M L Gomes, J F Santiago Júnior, S L D Moraes, E P Pellizzer
No consensus has been reached regarding the best occlusal scheme for making complete dentures. Thus, the purpose of this systematic review was to compare bilateral balanced occlusion (BBO) with other occlusal schemes (canine guidance, lingualized occlusion, and zero degree) in complete dentures. The schemes were compared in terms of quality of life/satisfaction and masticatory performance. Two independent reviewers performed a comprehensive search of studies published in or before October 2017 using the PubMed/MEDLINE, Scopus, and Cochrane Library databases...
January 4, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29311501/retrospective-clinical-evaluation-of-posterior-monolithic-zirconia-restorations-after-1-to-3-5-years-of-clinical-service
#18
Hiroto Gunge, Yoichiro Ogino, Masafumi Kihara, Yoshihiro Tsukiyama, Kiyoshi Koyano
This retrospective study analyzed clinical outcomes of monolithic zirconia restorations (MZRs) and factors related to restoration success. Patient records were searched to identify those provided MZRs (Cercon ht) for premolars or molars between April 2012 and March 2016. All MZRs were placed according to a standardized protocol. Kaplan-Meier analysis was used to assess MZR performance and failure after recall appointments at 1 year or later. In total, 101 patients received 148 MZRs. Mean duration of follow-up was 25...
December 28, 2017: Journal of Oral Science
https://www.readbyqxmd.com/read/29310881/comparison-between-masticatory-index-and-mixing-index-among-complete-denture-wearers-and-associated-factors-a-multivariate-analysis
#19
Hala A Elmoula, Nadia Khalifa, Mohammed Nasser Alhajj
STATEMENT OF PROBLEM: Masticatory performance is an important and complex multifactorial process in clinical practice. An exploration of the relationships and effects of the associated factors is lacking. PURPOSE: This clinical survey compared masticatory efficiency (mixing index) with perceived masticatory ability (masticatory index) among complete denture wearers and sought to clarify the relationship between these indices and other factors. MATERIALS AND METHODS: The study consisted of 58 complete denture wearers (37 men, 21 women) ranging between 37 and 80 years of age...
January 5, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29309351/unit-advancement-flap-for-lower-lip-reconstruction
#20
Akihiro Ogino, Kiyoshi Onishi, Emi Okada, Miho Nakamichi
BACKGROUND: Lower lip reconstruction requires consideration of esthetic and functional outcome in selecting a surgical procedure, and reconstruction with local tissue is useful. The authors reconstructed full-thickness defects with a unit advancement flap. METHODS: Reconstruction was performed using this method in 4 patients with lower lip squamous cell carcinoma in whom tumor resection with preservation of the mouth angle was possible. The lower lip resection width was 30 to 45 mm, accounting for 50% to 68% of the entire width of the lower lip...
January 5, 2018: Journal of Craniofacial Surgery
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