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https://www.readbyqxmd.com/read/29352637/the-ability-of-topical-and-systemic-statins-to-increase-osteogenesis-around-dental-implants-a-systematic-review-of-histomorphometric-outcomes-in-animal-studies
#1
REVIEW
V Moraschini, D C F Almeida, J A Calasans-Maia, M Diuana Calasans-Maia
The purpose of this systematic review was to evaluate the quantitative histomorphometric outcomes of animal studies investigating statins as a pro-osteogenic agent to enhance the osseointegration of dental implants. Some animal studies have suggested a beneficial action of statins on bone tissue. Electronic and manual literature searches, without date or language restriction, ​​were performed by two independent review authors up to February 2017. Eligibility criteria included animal trials quantitatively analysing the pro-osteogenic effect of statins on dental implants...
January 15, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29349504/oral-bacterial-colonization-on-dental-implants-restored-with-titanium-or-zirconia-abutments-6-month-follow-up
#2
Alice Ramos de Freitas, Thalisson Saymo de Oliveira Silva, Ricardo Faria Ribeiro, Rubens Ferreira de Albuquerque Junior, Vinícius Pedrazzi, Cássio do Nascimento
OBJECTIVE: This investigation aimed to characterize in a 6-month follow-up the microbial profile of implants restored with either titanium or zirconia abutments at the genus or higher taxonomic levels. METHODS: Twenty healthy individuals indicative for implant-retained single restorations were investigated. Half of participants were restored with titanium and half with zirconia abutments. Biofilm was collected from the implant-related sites after 1, 3, and 6 months of loading...
January 18, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29342830/methods-to-improve-osseointegration-of-dental-implants-in-low-quality-type-iv-bone-an-overview
#3
REVIEW
Hamdan S Alghamdi
Nowadays, dental implants have become more common treatment for replacing missing teeth and aim to improve chewing efficiency, physical health, and esthetics. The favorable clinical performance of dental implants has been attributed to their firm osseointegration, as introduced by Brånemark in 1965. Although the survival rate of dental implants over a 10-year observation has been reported to be higher than 90% in totally edentulous jaws, the clinical outcome of implant treatment is challenged in compromised (bone) conditions, as are frequently present in elderly people...
January 13, 2018: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/29340355/human-histologic-evidence-of-new-bone-formation-and-osseointegration-between-root-dentin-unplanned-socket-shield-and-dental-implant-case-report
#4
Charles Schwimer, Gregory A Pette, Howard Gluckman, Maurice Salama, Jonathan Du Toit
The socket-shield technique described 7 years ago has since grown in its reporting in the literature as a valid method of ridge preservation at immediate implant placement. To date, large clinical cohorts with up-to-4-year follow-up have been reported. Additionally, evidence of tissue histology at the dental implant and socket-shield has been demonstrated in the animal model. However, human histologic evidence has not yet been available, and the clinician's uncertainty regarding the tissues that may form between the socket-shield and dental implant may remain unanswered until now...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29340346/effects-of-local-drug-and-chemical-compound-delivery-on-bone-regeneration-around-dental-implants-in-animal-models-a-systematic-review-and-meta-analysis
#5
Ali Alenezi, Bruno Chrcanovic, Ann Wennerberg
PURPOSE: One of the suggested methods for enhancing osseointegration is the local application of drug agents around implant surfaces. The aim of this review was to evaluate the methods most commonly used for local drug and chemical compound delivery to implant sites and assess their influence on osseointegration. MATERIALS AND METHODS: An electronic search was undertaken in three databases (PubMed, Scopus, Embase). The search was limited to animal experiments using endosseous implants combined with local drug delivery systems...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29336173/genome-analysis-and-clinical-implications-of-the-bacterial-communities-in-early-biofilm-formation-on-dental-implants-restored-with-titanium-or-zirconia-abutments
#6
Flávia Correa Raffaini, Alice Ramos Freitas, Thalisson Saymo Oliveira Silva, Tarsis Cavagioni, Jessica Felix Oliveira, Rubens Ferreira Albuquerque Junior, Vinícius Pedrazzi, Ricardo Faria Ribeiro, Cássio do Nascimento
This cross-sectional study aimed to identify and quantify up to 42 target species colonizing the early biofilm of dental implants restored with titanium or zirconia abutments. A total of 720 samples from 20 healthy individuals were investigated. Biofilm samples were collected from the peri-implant sulci, inner parts of implants, abutment surfaces and prosthetic crowns over a functioning period of 30 days. Checkerboard DNA-DNA hybridization was used for microbial detection and quantitation. Clinical characteristics (probing depth, bleeding on probing, clinical attachment level and marginal bone loss) were also investigated during the monitoring period...
January 16, 2018: Biofouling
https://www.readbyqxmd.com/read/29329120/re-osseointegration-of-dental-implants-after-periimplantitis-treatments-a-systematic-review
#7
Marwa Madi, Moe Htet, Osama Zakaria, Adel Alagl, Shohei Kasugai
PURPOSE: This review considers possible surgical treatment modalities for induced periimplantitis to regain re-osseointegration as reported in the recent literature. MATERIALS AND METHODS: Electronic searches in MEDLINE/PubMed and Google Scholar databases were performed on experimental studies considering induced periimplantitis and attempts to achieve re-osseointegration from 2003 up to December 2016. Conflicts about articles were solved by authors' discussion...
January 11, 2018: Implant Dentistry
https://www.readbyqxmd.com/read/29325889/early-cell-response-of-osteogenic-cells-on-differently-modified-implant-surfaces-sequences-of-cell-proliferation-adherence-and-differentiation
#8
Sebastian Blatt, Andreas Max Pabst, Eik Schiegnitz, Marco Hosang, Thomas Ziebart, Christian Walter, Bilal Al-Nawas, Marcus Oliver Klein
OBJECTIVES: Osseointegration of dental implants is a crucial prerequisite for long-term survival. Therefore, surface modifications are needed to interact with the extracellular environment and to trigger osteogenic cell responses such as cell proliferation, adherence, and differentiation. The purpose of this study was to investigate different surface modifications in vitro over 2 weeks. MATERIALS AND METHODS: Commercially available cells from a human osteogenic cell line (HHOB-c) were cultivated on the following surfaces: titanium with smooth surfaces (polished titanium (P), machined titanium (M), polyetheretherketone (Peek)), titanium with rough and hydrophilised surfaces (acid etched titanium (A), sandblasted acid etched titanium (SA and SA2), sandblasted acid etched hydrophilised (SAH), titanium plasma painted titanium (TPS)), titanium with calcium phosphate-containing surfaces (titanium plasma painted calcium phosphate modified titanium (TPS-CaP), sandblasted calcium phosphate modified titanium (S-CaP), sandblasted acid etched calcium phosphate modified titanium (SA-CaP)), and zirconium-oxide (yttrium amplified zirconium (Z), yttrium amplified Ca2+ delivering zirconium (Z-Ca))...
December 26, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29316380/implant-insertion-into-an-augmented-bone-region-using-the-canine-mandible-augmented-by-the-casing-method
#9
Wataru Ono, Kiichi Maruyama, Makoto Ogiso, Seiji Mineno, Yuichi Izumi
The purpose of this study was to examine the efficacy of bone augmentation using the "Casing Method", which enables large-scale osteogenesis, and the feasibility of using the augmented bone in dental implants. Three Beagle dogs were used. After tooth extraction, a polyethylene terephthalate case (20 mm × 5 mm × 10 mm) was placed on the buccal surface of the mandible. A mixture of hydroxyapatite and beta-tricalcium phosphate (volume ratio=1:1) was infiltrated into a suspension of autologous superfine bone powder and plasma, and the resulting mixture was packed into the case...
January 6, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29306080/hybrid-micro-nanostructural-surface-offering-improved-stress-distribution-and-enhanced-osseointegration-properties-of-the-biomedical-titanium-implant
#10
Ping-Jen Hou, Keng-Liang Ou, Chin-Chieh Wang, Chiung-Fang Huang, Muhammad Ruslin, Erwan Sugiatno, Tzu-Sen Yang, Hsin-Hua Chou
OBJECTIVES: The aim of the present study was to investigate the surface characteristic, biomechanical behavior, hemocompatibility, bone tissue response and osseointegration of the optimal micro-arc oxidation surface-treated titanium (MST-Ti) dental implant. MATERIALS AND METHODS: The surface characteristic, biomechanical behavior and hemocompatibility of the MST-Ti dental implant were performed using scanning electron microscope, finite element method, blood dripping and immersion tests...
November 27, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29303758/response-of-soft-tissue-to-different-abutment-materials-with-different-surface-topographies-a-review-of-the-literature
#11
Feras Al Rezk, Georgia Trimpou, Hans-Christoph Lauer, Paul Weigl, Nadine Krockow
Soft tissue integration in the transmucosal zone of dental abutments supports the peri-implant tissues, improves esthetics, ensures soft tissue seal against microorganisms, and preserves crestal bone level. The aim of this literature review was to define the most favorable surface topography and macrodesign of the transmucosal zone of abutments to achieve optimal soft tissue seal. An electronic search of the PubMed/MEDLINE database was performed, seeking relevant English-language articles published between January 1, 2003, and October 11, 2014...
January 2018: General Dentistry
https://www.readbyqxmd.com/read/29303754/surface-treatment-of-implant-materials-with-antimicrobial-nanoparticulates
#12
Nathalia Ferraz Oliscovicz, Denise Tornavoi de Castro, Mariana Lima da Costa Valente, Evandro Watanabe, César Penazzo Lepri, Andréa Cândido Dos Reis
This study analyzed nanostructured silver vanadate (AgVO3) films on certain substrate surfaces found in dental implant devices in order to see if these films promote antimicrobial activity. Enamel and glaze vehicles were used to apply the nanomaterial (0.0% [control], 2.5%, 5.0%, and 10.0% concentrations) on 3 substrates (280 specimens per substrate): polytetrafluoroethylene (PTFE), polyacetal, and acrylic resin. An agar diffusion method was performed in triplicate to determine the antimicrobial activity against 8 microorganisms...
January 2018: General Dentistry
https://www.readbyqxmd.com/read/29303416/application-of-plasma-sprayed-zirconia-coating-in-dental-implant-study-in-implant
#13
Zhengfei Huang, Zhifeng Wang, Chuanhua Li, Kaifeng Yin, Dan Hao, Jing Lan
The aim was to investigate the osseointegration of a novel coating-plasma-sprayed nanostructured zirconia (NSZ) in dental implant. Nanostructured zirconia coating on non-thread titanium implant was prepared by plasma spraying, the implant surface morphology, surface roughness and wettability were measured. In vivo, nanostructured zirconia-coated implants were inserted in rabbit tibia and animals were respectively sacrificed at 2, 4, 8 and 12 weeks after implantation. The bond strength between implant and bone was measured by removal torque (RTQ) test...
January 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29301451/dopamine-self-polymerized-along-with-hydroxyapatite-onto-the-preactivated-titanium-percutaneous-implants-surface-to-promote-human-gingival-fibroblast-behavior-and-antimicrobial-activity-for-biological-sealing
#14
Minggang Yang, Peipei Jiang, Yang Ge, Fang Lan, Xuedong Zhou, Jing He, Yao Wu
The clinical success of dental implants requires not only the optimum osseointegration but also the integration of implant surface with soft tissues to form biological sealing. In this study, alkali-heat treatment was applied to modify the pure titanium surface constructing a unique micro-and nano-structure. Then, poly(dopamine), along and with the additional incorporation of hydroxyapatite and carboxymethyl chitosan have been successfully infiltrated into the preactivated Ti surface during dopamine self-polymerization proceeding...
January 1, 2018: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/29297554/survival-success-of-dental-implants-with-acid-etched-surfaces-a-retrospective-evaluation-after-8-to-10-years
#15
Lélis Gustavo Nicoli, Guilherme José Pimentel Lopes de Oliveira, Beatriz Maria Valério Lopes, Cláudio Marcantonio, Daniela Leal Zandim-Barcelos, Elcio Marcantonio
The aim of this study was to conduct a retrospective evaluation of the survival and success rates of dental implants with acid-etched surfaces after 8-10 years of function. Forty-four patients who received 183 implants 8-10 years ago were evaluated. Clinical examinations were performed around the implants and natural teeth. The following parameters were measured: visible plaque index (VPI), marginal bleeding index (MBI), probing depth (PD), bleeding on probing (BOP) and clinical attachment level (CAL). To considerer an implant as a success case, the following criteria were considered: absence of peri-implant infection and suppuration, absence of implant mobility, absence of persistent pain and dysesthesia and absence of radiolucency around the implant...
May 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29297552/analyses-of-biofilm-on-implant-abutment-surfaces-coating-with-diamond-like-carbon-and-biocompatibility
#16
Patricia Milagros Maquera Huacho, Marianne N Marques Nogueira, Fernanda G Basso, Miguel Jafelicci Junior, Renata S Francisconi, Denise M P Spolidorio
The aim of this study was to evaluate the surface free energy (SFE), wetting and surface properties as well as antimicrobial, adhesion and biocompatibility properties of diamond-like carbon (DLC)-coated surfaces. In addition, the leakage of Escherichia coli through the abutment-dental implant interface was also calculated. SFE was calculated from contact angle values; R a was measured before and after DLC coating. Antimicrobial and adhesion properties against E. coli and cytotoxicity of DLC with human keratinocytes (HaCaT) were evaluated...
May 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29295701/evaluation-of-fibroblasts-cells-viability-and-adhesion-on-six-different-titanium-surfaces-an-in-vitro-experimental-study
#17
Sergio Alexandre Gehrke, Leticia Perez-Diaz, Berenice Anina Dedavid
BACKGROUND: The topographical surficial characteristics and properties of materials can induce different cell reactions regards to the viability and adhesion according to the recent patents. The aim of this in vitro experimental study was to evaluate the viability and adhesion of fibroblastic cells seeded on titanium disks with different surface topography. In addition, we revised all patents relating to sintering process titanium powder surface treatment for a of dental implants. METHODS: Fibroblast cells were cultured on 6 surfaces models: mA disks corresponding to titanium surfaces without additional treatment (machined surface) were compared with mB disks, where surfaces were sandblasting etching using aluminum oxide; mC disks where titanium oxide was used for sandblasting etching; mD disks where triple acid conditioning was used, mE disks with laser treated surface and mF disks which were made of titanium powder by a sintering process...
January 1, 2018: Recent Patents on Biotechnology
https://www.readbyqxmd.com/read/29287979/an-evaluation-of-the-biocompatibility-and-osseointegration-of-novel-glass-fiber-reinforced-composite-implants-in-vitro-and-in-vivo-studies
#18
Ya-Hui Chan, Wei-Zhen Lew, Emily Lu, Thomas Loretz, Luke Lu, Che-Tong Lin, Sheng-Wei Feng
OBJECTIVES: The aim of this study was to evaluate the in vitro biocompatibility and in vivo osseointegration of three novel bioactive glass fiber reinforced composite (GFRC) implants and to compare these with metal (Ti6Al4V) implants. METHODS: The surfaces of these experimental substrates were characterized by scanning electron microscopy (SEM), a 2D profilometer and by contact angle measurement. In vitro biological performance was assessed using MG-63 human osteoblast-like cell morphology, cell proliferation assays and the alkaline phosphatase (ALP) activity testing...
December 26, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29284956/effect-of-surface-modifications-on-the-retention-of-cement-retained-implant-crowns-under-fatigue-loads-an-in-vitro-study
#19
R Ajay, K Suma, Seyed Asharaf Ali, Jambai Sampath Kumar Sivakumar, V Rakshagan, V Devaki, K Divya
Background: Masticatory forces cause fatigue to the dental luting agents, adversely affecting the retention of these cement-retained crowns. Sandblasting (SB) and diamond abrading the abutment surface improves the bond strength of luting agents. However, the effect of acid etching (AE) on the implant abutment surface and the effect of other surface modifications under masticatory load are yet to be documented. Purpose: The aim of the study was to evaluate the effect of abutment surface modifications on the retention of cement-retained restorations subjected to cyclic fatigue loads...
November 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/29282849/laser-assisted-removal-of-all-ceramic-fixed-dental-prostheses-a-comprehensive-review
#20
REVIEW
Sergio Varela Kellesarian, Vanessa Ros Malignaggi, Khaled M Aldosary, Fawad Javed
OBJECTIVE: The aim of this comprehensive review was to assess the effectiveness of erbium lasers in the removal of all ceramic fixed dental prostheses (FDPs). OVERVIEW: Indexed databases were searched without language or time restriction up to and including December 2017 using different combinations of the following keywords: "lasers"; "phototherapy"; "crowns"; "prostheses and implants"; "inlays"; "ceramics"; "dental porcelain"; "zirconium"; "removal"; "debonding"; "fixed dental prostheses"; "veneers"; "laminates"; and "fixed bridge...
December 28, 2017: Journal of Esthetic and Restorative Dentistry
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