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https://www.readbyqxmd.com/read/29149764/human-saliva-as-a-diagnostic-material
#1
REVIEW
Sylwia Chojnowska, Tomasz Baran, Iwona Wilińska, Paulina Sienicka, Iwona Cabaj-Wiater, Małgorzata Knaś
Today blood biochemical laboratory tests are essential elements to the diagnosis and monitoring of the treatment of diseases. However, many researchers have suggested saliva as an preferable diagnostic material. The collection of saliva is simple, painless, cheap and safe, both for patients and medical staff. An additional advantage of saliva is the fact that it may be retrieved several times a day, which makes repeat analysis much easier. Furthermore, saliva has very high durability. Although 94-99% of salivary content is water, saliva also contains numerous cellular elements and many organic and inorganic substances, including most biological markers present in the blood and urine that may be used in the early detection and monitoring of many dental and general diseases...
November 14, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29142655/maxillary-sinus-floor-augmentation-a-review-of-selected-treatment-modalities
#2
REVIEW
Thomas Starch-Jensen, Janek Dalsgaard Jensen
Objectives: The objective of the present study is to present the current best evidence for enhancement of the vertical alveolar bone height and oral rehabilitation of the atrophic posterior maxilla with dental implants and propose some evidence-based treatment guidelines. Material and Methods: A comprehensive review of the English literature including MEDLINE (PubMed), Embase and Cochrane Library search was conducted assessing the final implant treatment outcome after oral rehabilitation of the atrophic posterior maxilla with dental implants...
July 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/29142647/effects-of-staining-liquids-and-finishing-methods-on-translucency-of-a-hybrid-ceramic-material-having-two-different-translucency-levels
#3
Sebnem Ulviye Buyukkaplan, Mehmet Mustafa Özarslan, Çağatay Barutcigil, Merve Arslan, Kubilay Barutcigil, Elif Ece Yoldan
PURPOSE: Beverages may affect the translucency of esthetic dental restorative materials. The aim of the present study was to investigate the effects of coffee and red wine on the translucency of a PICN material with two translucency levels, and finished with different methods. MATERIALS AND METHODS: 2M2 high translucent and translucent VITA Enamic hybrid ceramic blocks were investigated. Rectangular specimens with the dimensions of 12 mm × 14 mm × 2 mm were prepared...
October 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29140971/effect-of-s-mutans-and-s-sanguinis-on-growth-and-adhesion-of-p-gingivalis-and-their-ability-to-adhere-to-different-dental-materials
#4
Yan Tu, Xiaolong Ling, Yadong Chen, Yuan Wang, Na Zhou, Hui Chen
BACKGROUND Caries and periodontal diseases are caused by the biofilm formed by caries- and periodontal disease-related bacteria. Specific biofilms could be formed on different filling materials in oral cavity. Thus, to explore the inhibition effect of restorative filling materials on biofilm formation is of great significance in the treatment of caries and periodontal disease. MATERIAL AND METHODS The supernatants of S. mutans, S. sanguinis, and P. gingivalis suspension were combined with BHI broth. After 24 h, the live P...
November 15, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29140381/consistency-of-dental-hygiene-therapy-utilizing-various-dental-hygiene-instrumentation-and-its-effect-on-peri-implant-health-and-survival-of-dental-implants-a-retrospective-study
#5
Sarah B Hoerler, Sandra K Nietz, Victoria L Zook, Christine M Lohse, Thomas J Salinas, Alan B Carr, Daniel A Assad
PURPOSE: The purpose of this retrospective study was to provide practice-based evidence to determine if the consistency of dental hygiene therapy, despite utilizing instrumentation literature that has proven to cause alterations to implant surfaces, affects peri-implant health or survival. MATERIALS AND METHODS: The study sample comprised patients with implant-supported full-arch fixed dental prostheses who were distributed into two groups. The consistent hygiene group patients had dental hygiene therapy at a minimum biannually and were exposed to at least three dental hygiene instrument materials...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140372/cytotoxicity-of-dental-implants-the-effects-of-ultrastructural-elements
#6
Ebru Cal, Vildan Bozok Cetintas, Hayal Boyacioglu, Pelin Güneri
PURPOSE: In this in vitro study, the purpose was to assess the cytotoxicity profiles of seven commercial dental implant materials by using cell culture methods on an osteoblastic cell line. MATERIALS AND METHODS: The microstructure of seven commercial dental implants (each given a letter code) was investigated via scanning electron microscopy and energy-dispersive x-ray analysis. Medium extracts were collected on the first and fifth days for each group and tested using MC3T3-E1 cell line...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140371/biofunctionalization-of-titanium-granules-with-simvastatin-for-improving-osteogenic-activity-and-antibacterial-properties-ex-vivo-study
#7
Zahra Gorgin Karaji, Behzad Houshmand, Shahsanam Abbasi, Sara Shafiei, Shahab Faghihi
PURPOSE: Titanium-based biomaterials present good biocompatibility, while their osseointegration and antibacterial properties need to be improved. This study aimed to enhance the bone-bonding ability of titanium-based granules, which are intended to be used as bone graft. MATERIALS AND METHODS: The titanium granules were anodized in ethylene glycol-based electrolyte and subsequently annealed to be loaded separately with simvastatin. The samples were then inspected with attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR) for drug loading...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140074/facile-and-versatile-strategy-for-construction-of-anti-inflammatory-and-antibacterial-surfaces-with-polydopamine-mediated-liposomes-releasing-dexamethasone-and-minocycline-for-potential-implants-applications
#8
Xiao Xu, Lixin Wang, Zuyuan Luo, Yaofeng Ni, Haitao Sun, Xiang Gao, Yongliang Li, Siqi Zhang, Yan Li, Shicheng Wei
Reducing early nonbacterial inflammation induced by implanted materials and infection resulting from bacterial contamination around the implant-abutment interface could greatly accelerate implant osseointegration and reduce implant failure, which would be of clinical significance. In this study, we developed a facile and versatile strategy for the construction of anti-inflammatory and antibacterial surfaces on implants, such as orthopedic/dental implants. Briefly, the surfaces of polystyrene (PS) culture plates were first coated with polydopamine and then decorated with dexamethasone plus minocycline-loaded liposomes (Dex/Mino liposomes), which was confirmed by contact angle goniometry, X-ray photoelectron spectroscopy, and fluorescence microscopy...
November 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29135351/human-studies-of-vertical-and-horizontal-alveolar-ridge-augmentation-comparing-different-types-of-bone-graft-materials-a-systematic-review
#9
Suraj Chavda, Liran Levin
Alveolar ridge augmentation can be completed with various types of bone augmentation materials (autogenous, allograft, xenograft & alloplast). Currently autogenous bone is labelled as the "gold standard" due to faster healing times and integration between native and foreign bone. No systematic review has currently determined whether there is a difference of implant success between various bone augmentation materials. The purpose of this paper was to systematically review comparative human studies of vertical and horizontal alveolar ridge augmentation comparing different types of bone graft materials (autogenous, allograft, xenograft & alloplast)...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29130804/is-metal-particle-release-associated-with-peri-implant-bone-destruction-an-emerging-concept
#10
T Fretwurst, K Nelson, D P Tarnow, H-L Wang, W V Giannobile
Peri-implant diseases affecting the surrounding structures of endosseous dental implants include peri-implant mucositis and peri-implantitis. The prevalence of peri-implantitis ranges between 15% and 20% after 10 y, highlighting the major challenge in clinical practice in the rehabilitation of dental implant patients. The widespread nature of peri-implant bone loss poses difficulties in the management of biological complications affecting the long-term success of osseointegrated implant reconstructions. Metal and titanium particles have been detected in peri-implant supporting tissues...
November 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/29130615/in-office-bleaching-efficacy-on-stain-removal-from-cad-cam-and-direct-resin-composite-materials
#11
Amal Alharbi, Stefano Ardu, Tissiana Bortolotto, Ivo Krejci
OBJECTIVE: To evaluate the efficacy of in-office bleaching on stain removal from stained resin composite and ceramic computer-assisted design/computer-assisted manufacturing (CAD/CAM) blocks and direct resin composites. METHODS: Forty disk-shaped samples were fabricated from each of nine materials: six CAD/CAM (VITABLOCS Mark II, Paradigm MZ100, Exp Vita Hybrid Ceramic, VITA ENAMIC, Exp Kerr, and LAVA Ultimate) and three direct resin composites (Filtek Supreme, Venus Diamond, and Filtek Silorane)...
November 11, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29128128/cad-fe-modeling-and-analysis-of-class-ii-restorations-incorporating-resin-composite-glass-ionomer-and-glass-ceramic-materials
#12
Pietro Ausiello, Stefano Ciaramella, Massimo Martorelli, Antonio Lanzotti, Antonio Gloria, David C Watts
OBJECTIVES: To investigate the influence of specific resin-composite, glass ceramic and glass ionomer cement (GIC) material combinations in a "multi-layer" technique to replace enamel and dentin in class II mesio-occlusal-distal (MOD) dental restorations using 3D-Finite Element Analysis (FEA). METHODS: Four 3D-FE models (A-D) of teeth, adhesively restored with different filling materials, were created and analyzed in comparison with a 3D model (E) of a sound lower molar...
November 8, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29122237/osseointegration-of-zirconia-dental-implants-in-animal-investigations-a-systematic-review-and-meta-analysis
#13
REVIEW
Stefano Pieralli, Ralf-Joachim Kohal, Emilia Lopez Hernandez, Sam Doerken, Benedikt Christopher Spies
OBJECTIVE: To determine the osseointegration rate of zirconium dioxide (ZrO2) dental implants in preclinical investigations. DATA: Data on the osseointegration rate was extracted considering the bone to implant contact (BIC), removal torque analysis (RTQ) and push-in tests. Meta analyses were conducted using multilevel multivariable mixed-effects linear regression models. The Šidák method was used in case of multiple testing. SOURCES: An electronic screening of the literature (MEDLINE/Pubmed, Cochrane Library and Embase) and a supplementary manual search were performed...
November 6, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29121452/3d-maskless-micropatterning-for-regeneration-of-highly-organized-tubular-tissues
#14
Chi Ma, Tiejun Qu, Bei Chang, Yan Jing, Jerry Q Feng, Xiaohua Liu
Micropatterning is a widely used powerful tool to create highly ordered microstructures on material surfaces. However, due to technical limitations, the integration of micropatterned microstructures into bioinspired 3D scaffolds to successfully regenerate well-organized functional tissues is not achieved. In this work, a unique maskless micropatterning technology is reported to create 3D nanofibrous matrices with highly organized tubular architecture for tissue regeneration. This micropatterning method is a laser-guided, noncontact, high-precision, flexible computer programming of machining process that can create highly ordered tubules with the density ranged from 1000 to 60 000 mm(-2) and the size varied from 300 nm to 30 µm in the bioinspired 3D matrix...
November 9, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29118464/eocene-squalomorph-sharks-chondrichthyes-elasmobranchii-from-antarctica
#15
Andrea Engelbrecht, Thomas Mörs, Marcelo A Reguero, Jürgen Kriwet
Rare remains of predominantly deep-water sharks of the families Hexanchidae, Squalidae, Dalatiidae, Centrophoridae, and Squatinidae are described from the Eocene La Meseta Formation, Seymour Island, Antarctic Peninsula, which has yielded the most abundant chondrichthyan assemblage from the Southern Hemisphere to date. Previously described representatives of Hexanchus sp., Squalus weltoni, Squalus woodburnei, Centrophorus sp., and Squatina sp. are confirmed and dental variations are documented. Although the teeth of Squatina sp...
October 2017: Journal of South American Earth Sciences
https://www.readbyqxmd.com/read/29118084/perceptions-of-registered-dental-hygienists-in-alternative-practice-regarding-silver-diamine-fluoride
#16
Salina K Chhokar, Lory Laughter, Dorothy J Rowe
Purpose: Silver diamine fluoride (SDF) is an inexpensive, non-invasive, antimicrobial liquid used to treat carious lesions and decrease sensitivity. The purpose of this study was to assess the perceptions of registered dental hygienists in alternative practice (RDHAP) regarding the use of SDF to treat dental caries.Methods: A 16-item survey designed to evaluate RDHAP's familiarity and perceptions of SDF was electronically distributed to 222 RDHAPs practicing in the state of California. A survey research software program collected and tabulated responses, calculated response frequencies for each survey item, and determined statistical relationships among variables, using cross tabulation analysis...
August 2017: Journal of Dental Hygiene: JDH
https://www.readbyqxmd.com/read/29116000/effect-of-mouthrinses-on-color-stability-of-monolithic-zirconia-and-feldspathic-ceramic-an-in-vitro-study
#17
Reza Derafshi, Hooman Khorshidi, Mohamadhasan Kalantari, Ilyad Ghaffarlou
BACKGROUND: Patients susceptible to periodontal disease and dental caries, including those who undergo fixed prosthodontic treatments use chemical plaque control agents. However, these mouthrinses may result in adverse effects such as discoloration of the restorative materials. The aim of this study was to compare the color stability of monolithic zirconia and feldspathic porcelain after immersion in two different mouthrinses: 0.2% Chlorhexidine digluconate (CHX), or Listerine®. Color change was evaluated by color spectrophotometer and according to the Commission Internationale de l'Eclairage (CIELab) system...
November 7, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/29114432/eye-related-trauma-and-infection-in-dentistry
#18
REVIEW
Hasan Ekmekcioglu, Meral Unur
Despite numerous technological and medical developments achieved in recent years, a significant amount of occupational health problems still exist in modern dentistry. The risk of eye injury is mostly attributed to the use of high-speed hand pieces and ultrasonic devices. A dental clinic may be the source of eye-related infection and injury because of mechanical, chemical, microbiological and electromagnetic irritants. Accidents may cause facial injuries that involve eyes of the clinicians, patients as well as dental assistants...
2017: J Istanb Univ Fac Dent
https://www.readbyqxmd.com/read/29111620/readying-community-water-fluoridation-advocates-through-training-surveillance-and-empowerment
#19
C Veschusio, M K Jones, J Mercer, A B Martin
This paper describes the Community Water Fluoridation Advocacy Training Project that was designed to develop networks of community water fluoridation advocates in rural communities. The South Carolina (SC) Department of Health and Environmental Control Division of Oral Health staff and the SC Dental Association were responsible for developing and facilitating the training sessions for key policy influencers, which included medical and dental providers, early childhood educators, and water system operators and managers...
November 10, 2017: Community Dental Health
https://www.readbyqxmd.com/read/29110921/3d-printed-versus-conventionally-cured-provisional-crown-and-bridge-dental-materials
#20
Anthony Tahayeri, MaryCatherine Morgan, Ana P Fugolin, Despoina Bompolaki, Avathamsa Athirasala, Carmem S Pfeifer, Jack L Ferracane, Luiz E Bertassoni
OBJECTIVES: To optimize the 3D printing of a dental material for provisional crown and bridge restorations using a low-cost stereolithography 3D printer; and compare its mechanical properties against conventionally cured provisional dental materials. METHODS: Samples were 3D printed (25×2×2mm) using a commercial printable resin (NextDent C&B Vertex Dental) in a FormLabs1+ stereolithography 3D printer. The printing accuracy of printed bars was determined by comparing the width, length and thickness of samples for different printer settings (printing orientation and resin color) versus the set dimensions of CAD designs...
October 27, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
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