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https://www.readbyqxmd.com/read/28231345/in-vitro-evaluation-of-three-methods-for-the-retrieval-of-fractured-screw-fragments-from-dental-implants
#1
Rubén Agustín-Panadero, Carlos Labaig-Rueda, Beatriz Castillo-Rodriguez, Alberto Ferreiroa, María Fernanda Solá-Ruíz
PURPOSE: To compare the effectiveness of different methods of fractured screw fragment retrieval from dental implants, comparing a conventional method (use of an exploration probe and ultrasonic tips) with two mechanical retrieval kits. MATERIALS AND METHODS: One hundred thirty-five screws in implant internal connections were fractured to test fragment retrieval comparing three methods: conventional method with the use of an explorer probe and ultrasonic tips (group CE), extraction with a mechanical kit with a guide cylinder (group MK1), and extraction with a mechanical kit without a guide cylinder (group MK2)...
February 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28231040/evaluation-of-the-alteration-of-occlusal-distribution-in-unilateral-free-end-and-intermediate-missing-cases
#2
Kazuhiro Kon, Makoto Shiota, Aoi Sakuyama, Maho Ozeki, Wataru Kozuma, Sawako Kawakami, Shohei Kasugai
The present study aimed to evaluate the effect of implant prostheses on the occlusal force and area as well as the distribution of occlusal loading in unilateral free-end and intermediate missing cases. Fourteen healthy subjects (7 free-end missing cases in the first and second molars and 7 intermediate missing cases in the first molar region) were included. Six months after the implant prosthesis was placed, an occlusal evaluation was performed with or without the implant superstructure by using Dental Prescale film and an occluder device...
February 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28231038/medication-related-osteonecrosis-of-the-jaw-and-dental-implants-failures-a-systematic-review
#3
Riccardo Guazzo, Luca Sbricoli, Sara Ricci, Eriberto Bressan, Adriano Piattelli, Flavia Iaculli
No well-established evidence supporting safe use of bisphosphonates (BPs) or other antiresorptive agents prior, during, or after dentoalveolar surgery, are currently available; moreover, the real risk of osteonecrosis of the jaw (ONJ) development is still unknown. The aim of the present systematic review was to assess the scientific literature concerning the implants placement in antiresorptive agent users and the related risk of implants failure and ONJ development. English papers published from January 2003 until December 2014 were identified on the MEDLINE database...
February 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28230597/histomorphometric-evaluation-of-two-different-bone-substitutes-in-sinus-floor-augmentation-procedures
#4
Marco Portelli, Marco Cicciù, Floriana Lauritano, Gabriele Cervino, Maurizio Manuelli, Enrico Felice Gherlone, Alessandra Lucchese
The aim of this study is to compare the histomorphometric data of deproteinized bovine bone (DBB) and a fully synthetic bone substitute, poly (lactic-co-glycolic) acid/hydroxyapatite (PLGA/HA) applied for sinus floor augmentation technique. Twelve maxillary atrophic ridges of 8 patients requiring major maxillary sinus floor augmentation were studied; the sites were randomly assigned to the study groups and reexamined at 6 months after grafting using cone beam computed tomography scans and biopsy samples harvested during dental implant placement...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28228727/post-operative-bleeding-risk-in-dental-surgery-for-patients-on-oral-anticoagulant-therapy-a-meta-analysis-of-observational-studies
#5
Quan Shi, Juan Xu, Tong Zhang, Bin Zhang, Hongchen Liu
Background and Objective: Minor dental surgery is invasive and hemorrhagic. Thus, in patients treated with anticoagulants, the bleeding risk related to these invasive procedures is concerning. The aim of this meta-analysis is to evaluate this risk by comparing the post-operative bleeding rates of oral anticoagulation treatment (OAT) patients (without interrupted or altered anticoagulant intake) with non-OAT patients. Methods: PubMed, Embase and the Cochrane Library were searched for eligible studies that compared the post-operative (following minor dental surgery) bleeding rates of OAT patients without interrupted or altered therapy with those of non-OAT patients...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28228135/comparison-of-digital-panoramic-radiography-versus-cone-beam-computerized-tomography-for-measuring-alveolar-bone
#6
Zunan Tang, Xianchu Liu, Kejia Chen
BACKGROUND: Cone beam computerized tomography (CBCT) has been widely used in dental implanting. However, the local hospitals usually don't have access to CBCT due to the cost and medical investment, especially in West of China. The doctors in local hospitals have to make reasonable dental planting using orthopantomography (OPG) to reduce risks. Therefore, it is clinically meaningful to determine the magnification rate of OPG to obtain correct diagnosis. This study investigated the magnification rate of OPG in measuring different maxillofacial loci compared with CBCT...
February 22, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/28227792/an-innovative-therapy-for-peri-implantitis-based-on-radio-frequency-electric-current-numerical-simulation-results-and-clinical-evidence
#7
G Cosoli, L Scalise, G Tricarico, E P Tomasini, G Cerri, G Cosoli, L Scalise, G Tricarico, E P Tomasini, G Cerri, G Cosoli, E P Tomasini, G Cerri, G Tricarico, L Scalise
Peri-implantitis is a severe inflammatory pathology that affects soit and hard tissues surrounding dental implants. Nowadays, only prevention is effective to contrast peri-implantitis, but, in recent years, there is the clinical evidence of the efficiency of a therapy based on the application of radio frequency electric current, reporting that 81% of the cases (66 implants, 46 patients) were successfully treated. The aim of this paper is to present the therapy mechanism, exploring the distribution of the electric currents in normal and pathologic tissues...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222946/is-the-intake-of-selective-serotonin-reuptake-inhibitors-associated-with-an-increased-risk-of-dental-implant-failure
#8
B R Chrcanovic, J Kisch, T Albrektsson, A Wennerberg
The aim of this retrospective study was to investigate the association between the intake of selective serotonin reuptake inhibitors (SSRIs) and the risk of dental implant failure. Patients were included if they were taking SSRIs only and no other medication, did not present any other systemic condition or compromising habits (bruxism, smoking, snuff), and complied with the use of prophylactic antibiotics for implant surgery. The multivariate generalized estimating equation (GEE) method and multilevel mixed-effects parametric survival analysis were used to test the association between SSRI exposure (predictor variable) and the risk of implant failure (outcome variable), adjusting for several potential confounders (other variables)...
February 17, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28222928/reconstruction-of-complex-mandibular-defects-using-integrated-dental-custom-made-titanium-implants
#9
A Rachmiel, D Shilo, O Blanc, O Emodi
No abstract text is available yet for this article.
February 17, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28222883/simplified-digital-workflow-for-dental-implant-restoration-on%C3%A2-a%C3%A2-stock%C3%A2-abutment-using-an-intraoral-scanner-a%C3%A2-dental%C3%A2-technique
#10
Jong-Eun Kim, Ji-Hyun Park, Hong-Seok Moon, June-Sung Shim
A straightforward digital restorative method based on a library of stock abutments is presented. Precisely scanned data of laboratory analog components of the stock abutment were obtained using a tabletop scanner to produce the library. The stock abutment and surrounding teeth, opposing arch, and occlusal information were recorded using an intraoral scanner. After transferring the scanned data to computer-aided design software, an appropriate library file for the abutment connected within the mouth was matched in order to design the prosthesis...
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28222882/in-office-fabrication-of-dental-implant-surgical-guides-using-desktop-stereolithographic-printing-and-implant-treatment-planning-software-a-clinical-report
#11
Daniel Whitley, R Scott Eidson, Ivan Rudek, Sompop Bencharit
Guided surgery is accepted as the most accurate way to place an implant and predictably relate the implant to its definitive prosthesis, although few clinicians use it. However, recent developments in high-quality desktop 3-dimensional stereolithographic printers have led to the in-office fabrication of stereolithographic surgical guides at reduced cost. This clinical report demonstrates a protocol for using a cost-effective, in-office rapid prototyping technique to fabricate a surgical guide for dental implant placement...
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28222881/a-method-of-facilitating-the-fabrication-of-access-openings-for-implant-supported-complete-fixed-dental-prostheses
#12
Seok-Hwan Cho, Geoffrey A Thompson
This report describes a method for fabricating access openings for implant-supported complete fixed dental prostheses (ICFP) by using a dental milling machine and silicone putty matrix. The method can help clinicians achieve the accurate and precise fabrication of access openings for ICFPs without excessive grinding.
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28222880/success-rate-and-strength-of-osseointegration-of-immediately-loaded-uv-photofunctionalized-implants-in-a-rat-model
#13
Pooya Soltanzadeh, Amirreza Ghassemi, Manabu Ishijima, Miyuki Tanaka, Wonhee Park, Chika Iwasaki, Makoto Hirota, Takahiro Ogawa
STATEMENT OF PROBLEM: Despite its clinical benefits, the immediate loading protocol might have a higher risk of implant failure than the regular protocol. Ultraviolet (UV) photofunctionalization is a novel surface enhancement technique for dental implants. However, the effect of photofunctionalization under loading conditions is unclear. PURPOSE: The purpose of this animal study was to evaluate the effect of photofunctionalization on the biomechanical quality and strength of osseointegration under loaded conditions in a rat model...
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28222876/evaluation-of-the-effect-of-an-offset-implant-configuration-in-the-posterior-maxilla-with-external-hexagon-implant-platform-a-3-dimensional-finite-element-analysis
#14
Victor Eduardo de Souza Batista, Fellippo Ramos Verri, Daniel Augusto de Faria Almeida, Joel Ferreira Santiago Junior, Cleidiel Aparecido Araújo Lemos, Eduardo Piza Pellizzer
STATEMENT OF PROBLEM: Slight displacement of the central implant in 3-unit implant-supported prostheses has been reported to improve biomechanical behavior. However, studies that assessed the effects of an offset implant configuration in the posterior maxilla are scarce. PURPOSE: The purpose of this 3-dimensional (3D) finite element analysis was to assess the effects of splinting in 3-unit implant-supported prostheses with varying implant positions (straight-line or offset configuration) in terms of the stress/strain distribution on bone tissue and the stress distribution on abutment screws...
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28222867/prosthodontic-treatment-of-a-retrognathic-edentulous-maxilla-demonstrating-limited-interarch-distance-3-5-year-results-with-fixed-and-removable-implant-prostheses
#15
Won-Suk Oh, Furat George, Ju-Mi Park
The prosthodontic treatment of patients with a retrognathic edentulous maxilla should consider the restoration of the lower facial profile and access for oral hygiene. This clinical report describes prosthodontic treatments of a patient with edentulism who presented with repeated fractures of the denture teeth of a maxillary implant-supported complete fixed dental prosthesis (ICFDP) and a mandibular implant-supported overdenture. Considerable plaque accumulation was noted on the ICFDP, which was replaced with an open palatal design implant-supported overdenture...
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28222128/what-do-sales-data-tell-us-about-implant-survival
#16
Rudolf Seemann, Alexander Jirku, Florian Wagner, Arno Wutzl
OBJECTIVE: The aim of this study was to evaluate the influence of implant diameter, length and shape on a surrogate parameter of implant survival; i.e. the implant return rate in a big data analysis. MATERIALS AND METHODS: A retrospective study was conducted and the factors influencing the success rates of 69,377 sold implants over a seven-year period were evaluated. The osseointegration program of a reseller provides reliable data of a single country. Implant loss rates were investigated using logistic regression models and regressed by implant type, diameter, and length...
2017: PloS One
https://www.readbyqxmd.com/read/28218863/marsupialization-of-large-residual-cyst-and-subsequent-dental-implant-insertion-technical-note
#17
Amin Rahpeyma, Saeedeh Khajehahmadi
Marsupialization is an option for treatment of large jaw cysts. In this article with a case report successful marsupialization of a large residual cyst is demonstrated. Selecting appropriate case and device is necessary for success. Dental implant insertion at the end of treatment restores the function. This article presents a simple device, made from disposable hypodermic syringe as marsupialization device.
February 20, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28218482/osteoblastic-differentiation-of-periodontal-ligament-stem-cells-on-non-stoichiometric-calcium-phosphate-and-titanium-surfaces
#18
L Winning, L Robinson, A R Boyd, I A El Karim, F T Lundy, B J Meenan
Bioactive materials offer particular clinical benefits in the field of dental implantology, where differentiation of stem cells towards an osteoblastic lineage is required for osseointegration and appropriate function of implants in vivo. The aim of this study was to evaluate the osteoblastic response of Stro-1+ve periodontal ligament stem cells (PDLSCs) to three well-characterised biomaterial surfaces: an abraded titanium surface (cpTi) control; a polycrystalline titanium surface, with both micro and nano-topography produced by radio frequency magnetron sputtering (TiTi); and the same surface incorporating a sputter deposited calcium phosphate coating (CaP-TiTi)...
February 20, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28218025/dental-implants-and-incisor-bridge-placement-in-a-dog
#19
Rocco E Mele, Anthony Caiafa, Gregori M Kurtzman
Veterinary dentistry has tended to follow the trends and advancements in the human dental field. As for any procedure performed on a patient, whether human or animal, an informed decision is based on the available evidence regarding treatment options. This is certainly true for the more involved treatments in veterinary dentistry which can include the disciplines of endodontics and dental implantology. A number of published case reports have been accepted by the specialty that endodontic therapy is indeed a predictable and a valuable service that can be offered to pet owners...
December 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28216844/effect-of-technique-and-impression-material-on-the-vertical-misfit-of-a-screw-retained-three-unit-implant-bridge-an-in-vitro-study
#20
Hamidreza Rajati Haghi, Masoud Shiehzadeh, Mohammadreza Nakhaei, Fatemeh Ahrary, Saeid Sabzevari
INTRODUCTION: A dental impression is a negative imprint of an oral structure that can be used to produce a positive cast of a patient's teeth as a permanent record. The accuracy of the impression affects the accuracy of the cast, and a precise impression is needed in order to create prosthesis with optimal fitting. Minimization of misfit is an important aim in prosthesis science and dental implants. The aim of this study was to evaluate the effects of the materials and techniques used to take an impression on the vertical misfit of implant-supported, screw-retained, three-unit bridges...
January 2017: Journal of Indian Prosthodontic Society
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