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https://www.readbyqxmd.com/read/28736923/applications-of-additive-manufacturing-in-dentistry-a-review
#1
REVIEW
Aishwarya Bhargav, Vijayavenkatraman Sanjairaj, Vinicius Rosa, Lu Wen Feng, Jerry Fuh Yh
Additive manufacturing (AM) or 3D printing has been hailed as the third industrial revolution as it has caused a paradigm shift in the way objects have been manufactured. Conventionally, converting a raw material to a fully finished and assembled, usable product comprises several steps which can be eliminated by using this process as functional products can be created directly from the raw material at a fraction of the time originally consumed. Thus, AM has found applications in several sectors including automotive, aerospace, printed electronics, and healthcare...
July 24, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28713760/prosthetic-consideration-in-implant-supported-prosthesis-a-review-of-literature
#2
REVIEW
Manga Snigdha Gowd, Thatapudi Shankar, Rajeev Ranjan, Arpita Singh
Modern dentistry has changed tremendously with implant therapy. For the successful implant therapy, making a proper treatment plan considering both surgical and prosthetic part in mind is the key of success. Often practitioners tend to create a treatment plan overlooking the basic principles of prosthetic part. This present review has discussed various prosthetic consideration of implant-supported prosthesis. A step-by-step detailed prosthetic option with their indications has been discussed to help all dental implant practitioners in making of an optimal treatment plan for each case...
June 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28711338/in-vitro-cytocompatibility-of-dental-resin-monomers-on-osteoblast-like-cells
#3
Dominik Kraus, Markus Wolfgarten, Norbert Enkling, Ernst-Heinrich Helfgen, Matthias Frentzen, Rainer Probstmeier, Jochen Winter, Helmut Stark
OBJECTIVES: Dental resin-based materials are widely used in modern dentistry. Especially, resin cements enjoy great popularity and are utilized in many applications. Nevertheless, monomers could be released from the resinous matrix, thus interact with surrounding tissues, cause adverse biological reactions and may lead in cases of implant retained restorations to peri-implant bone destruction. Hence, we performed an in-vitro study to determine cytotoxicity of resin monomers on osteoblast-like cells...
July 12, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28691432/effect-of-diode-lasers-with-wavelength-of-445-and-980-nm-on-a-temperature-rise-when-uncovering-implants-for-second-stage-surgery-an-ex-vivo-study-in-pigs
#4
Jacek Matys, Rafał Flieger, Marzena Dominiak
BACKGROUND: Many surgical procedures in a soft tissue are performed using diodes lasers. Recently, a novel diode laser operates in 445 nm wavelength was introduced in dentistry. OBJECTIVES: The aim of our study was to evaluate a time of surgery and an increase in temperature of a titanium implants during its uncovering using 445 and 980 nm wavelengths. MATERIAL AND METHODS: The research included 45 pig mandibles (n=45). The specimens were randomly divided into 3 groups (n=15) according to the laser irradiation mode and wavelength; G1 - 445nm laser, power: 3 W, continuous wave (CW), distance: 2 mm, power density: 7460 W/cm2, fiber: 320µm, none-contact mode; G2 - 445nm laser (power: 2 W, CW, power density: 4970 W/cm2, fiber: 320µm, contact mode; G3 (control) - 980nm laser, power: 2...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28685563/allergic-contact-dermatitis-to-acrylates
#5
P Romita, C Foti, L Masciopinto, E Nettis, E Di Leo, G Calogiuri, D Bonamonte, G Angelini, G Dipalma, A Ballini, F Inchingolo
Acrylates and methacrylates are a large group of chemically reactive monomers that are polymerized into acrylic plastics. These have very broad applications in glues, coatings and various plastic materials. Allergic contact dermatitis (ACD) caused by acrylates can be occupational, mainly in dentistry workers during the manufacturing and implantation of dental prosthesis, and in nail technicians during the sculpturing and application of artificial nails. The clinical manifestations vary according to the location of the contact...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28684815/book-review-evidence-based-implant-dentistry
#6
P Sinnott
No abstract text is available yet for this article.
July 7, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28670662/attitudes-of-orthodontists-and-laypersons-towards-tooth-extractions-and-additional-anchorage-devices
#7
Chidsanu Changsiripun, Petchpailin Phusantisampan
BACKGROUND: This study investigated the attitudes of orthodontists and laypersons towards the choice of extracting second premolars, rather than first premolars, based on tooth condition and the use of additional anchorage devices. METHODS: Questionnaires were sent to two groups: 324 orthodontists who were members of the Thai Association of Orthodontists, and 100 randomly selected Thai laypersons aged above 20 years and who were unrelated to the field of dentistry...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28643920/analysis-of-polycaprolactone-scaffolds-fabricated-via-precision-extrusion-deposition-for-control-of-craniofacial-tissue-mineralization
#8
C W Fedore, L Y L Tse, H K Nam, K L Barton, N E Hatch
OBJECTIVES: Recurrence of cranial bone fusion following surgical resection in craniosynostosis patients commonly requires additional surgical procedures. Surgical implantation of engineered 3D scaffolds that control tissue mineralization could be utilized to diminish recurrence of fusion. This study investigated the ability of composite scaffolds to control tissue mineralization when cultured in vitro. SETTING AND SAMPLE POPULATION: Precision-engineered scaffolds with calvarial cells were cultured in vitro at the Department of Orthodontics and Pediatric Dentistry, University of Michigan...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28642562/what-is-the-methodological-quality-of-published-dental-implant-guidelines
#9
Mark-Steven Howe
Data sourcesSix implant dentistry journals with impact factors (2014) assigned by Journal Citation Reports (Clinical Oral Implants Research, Clinical Implant Dentistry and Related Research, European Journal of Oral Implants, The International Journal of Oral and Maxillofacial Implants, Journal of Oral Implantology, and Implant Dentistry) and the Medline database.Study selectionTwo reviewers independently selected guidelines published between May 2009 and February 2016.Data evaluationFollowing training four reviewers independently applied the Agree II tool (http://www...
June 23, 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28633987/a-paradigm-shift-for-bone-quality-in-dentistry-a-literature-review
#10
REVIEW
Shinichiro Kuroshima, Masaru Kaku, Takuya Ishimoto, Muneteru Sasaki, Takayoshi Nakano, Takashi Sawase
PURPOSE: The aim of this study was to present the current concept of bone quality based on the proposal by the National Institutes of Health (NIH) and some of the cellular and molecular factors that affect bone quality. STUDY SELECTION: This is a literature review which focuses on collagen, biological apatite (BAp), and bone cells such as osteoblasts and osteocytes. RESULTS: In dentistry, the term "bone quality" has long been considered to be synonymous with bone mineral density (BMD) based on radiographic and sensible evaluations...
June 17, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/28629781/position-paper-for-the-evaluation-and-management-of-oral-status-in-patients-with-valvular-disease-groupe-de-travail-valvulopathies-de-la-soci%C3%A3-t%C3%A3-fran%C3%A3-aise-de-cardiologie-soci%C3%A3-t%C3%A3-fran%C3%A3-aise-de-chirurgie-orale-soci%C3%A3-t%C3%A3-fran%C3%A3-aise-de-parodontologie-et-d-implantologie
#11
REVIEW
Sarah Millot, Philippe Lesclous, Marie-Laure Colombier, Loredana Radoi, Clément Messeca, Mathieu Ballanger, Jean-Luc Charrier, Philippe Tramba, Stéphane Simon, Alain Berrebi, Fabien Doguet, Emmanuel Lansac, Christophe Tribouilloy, Gilbert Habib, Xavier Duval, Bernard Iung
Oral health is of particular importance in patients with heart valve diseases because of the risk of infective endocarditis. Recommendations for antibiotic prophylaxis before dental procedures have been restricted, but the modalities of oral evaluation and dental care are not detailed in guidelines. Therefore, a multidisciplinary working group reviewed the literature to propose detailed approaches for the evaluation and management of buccodental status in patients with valvular disease. Simple questions asked by a non-dental specialist may draw attention to buccodental diseases...
June 16, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28622020/the-effect-of-direct-and-indirect-force-transmission-on-peri-implant-bone-stress-a-contact-finite-element-analysis
#12
Annike Rand, Meike Stiesch, Michael Eisenburger, Andreas Greuling
In almost all finite element (FE) studies in dentistry, virtual forces are applied directly to dentures. The purpose of this study was to develop a FE model with non-linear contact simulation using an antagonist as force transmitter and to compare this with a similar model that uses direct force transmission. Furthermore, five contact situations were created in order to examine their influence on the peri-implant bone stresses, which are relevant to the survival rate of implants. It was found that the peri-implant bone stresses were strongly influenced by the kind of force transmission and contact number...
August 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28613063/-application-and-outlook-of-three-dimensional-printing-in-prosthetic-dentistry
#13
Y C Sun, R Li, Y S Zhou, Y Wang
At present, three-dimensional (3D) printing has been applied in many aspects in the field of prosthodontics, such as dental models, wax patterns, guide plates, dental restoration and customized implants. The common forming principles include light curing, sintering and melting-condensation, the materials include pure wax, resin, metal and ceramics. However, the printing precision and the strength of multi-material integrated forming, remains to be improved. In addition, as a technology by which the internal structure of a material can be customized manufacturing, further advantage of 3D printing used in the manufacture of dental restoration lies in the customization functional bionic micro-structures, but the related research is still in its infancy...
June 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28612700/knowledge-gaps-in-oral-and-maxillofacial-surgery-a-systematic-mapping
#14
Marie Österberg, Anders Holmlund, Bo Sunzel, Sofia Tranæus, Svante Twetman, Bodil Lund
OBJECTIVES: The aim of this study was to evaluate available knowledge and identify knowledge gaps within the field of oral and maxillofacial surgery, by systematically collecting and evaluating systematic reviews. Twelve specific domains were selected: surgical removal of teeth, antibiotic and corticosteroid prophylaxis, orofacial infections, dental and facial trauma, orthognathic surgery, reconstructive surgery, benign tumors, cysts, premalignant lesions, oral complications of treatment of malignant tumors, hyperbaric oxygen therapy, temporomandibular joint surgery, cost effectiveness of different surgical treatments, and ethics...
January 2017: International Journal of Technology Assessment in Health Care
https://www.readbyqxmd.com/read/28594999/regenerating-bone-via-multifunctional-coatings-the-blending-of-cell-integration-and-bacterial-inhibition-properties-on-the-surface-of-biomaterials
#15
Mireia Hoyos-Nogués, Ferran Velasco, Maria-Pau Ginebra, José María Manero, F Javier Gil, Carlos Mas-Moruno
In dentistry and orthopedics, it is well accepted that implant fixation is a major goal. However, an emerging concern is bacterial infection. Infection of metallic implants can be catastrophic and significantly reduce patient quality of life. Accordingly, in this work, we focus on multifunctional coatings to simultaneously address and mitigate both these problems. We have developed a tailor-made peptide-based chemical platform that integrates the well-known RGD cell adhesive sequence and the lactoferrin-derived LF1-11 antimicrobial peptide...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28590091/an-update-on-the-protocols-and-biologic-actions-of-platelet-rich-fibrin-in-dentistry
#16
Rucha Shah, Triveni M G, Raison Thomas, Dhoom Singh Mehta
Platelet rich fibrin (PRF) is a surgical biologic additive that is prepared by manipulation of autologous blood. It has now evolved to become one of the most widely used platelet concentrate in dentistry. It has almost replaced Platelet rich plasma (PRP) for usage owing to its advantages such as being 100% autogenous, easy technique, time and cost effectiveness, superior & prolonged growth factor release. It finds varied applications in dentistry including management of gingival recession, for guided bone regeneration in periodontal, peri-implant and endodontic bone defects...
June 2017: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/28584418/comparison-of-osteogenic-potential-of-poly-ether-ether-ketone-with-titanium-coated-poly-ether-ether-ketone-and-titanium-blended-poly-ether-ether-ketone-an-in-vitro-study
#17
T Anjan Kumar, J Brintha Jei, B Muthukumar
STATEMENT OF PROBLEM: Poly-ether-ether-ketone (PEEK), a high-performance semi-crystalline thermoplastic polymer, has been employed to replace the metallic implant components in orthopedics. There were various studies performed in accordance to medical grade PEEK, but the relationship between titanium dioxide (TiO2)-coated PEEK, TiO2-blended PEEK, and untreated PEEK still remains complicated, even undefined. PURPOSE: The purpose of this study was to compare and quantify the osteogenic potential of untreated PEEK, TiO2-coated PEEK and TiO2-blended PEEK...
April 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28584412/demineralized-dentin-matrix-scaffolds-for-alveolar-bone-engineering
#18
REVIEW
In-Woong Um, Young-Kyun Kim, Masaharu Mitsugi
From the point of view of implant dentistry, this review discusses the development and clinical use of demineralized dentin matrix (DDM) scaffolds, produced from the patient's own extracted teeth, to repair alveolar bone defects. The structure and the organic and inorganic components of DDM are presented to emphasize the similarities with autogenous bone. Studies of DDM properties, such as osteoinductive and osteoconductive functions as well as efficacy and safety, which are mandatory for its use as a bone graft substitute, are also presented...
April 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28578375/knowledge-aptitudes-and-preferences-in-implant-dentistry-teaching-training-among-undergraduate-dental-students-at-the-university-of-barcelona
#19
M-A Sánchez-Garcés, E Berástegui-Jimeno, C Gay-Escoda
BACKGROUND: Oral implant rehabilitation should be considered a treatment option for any edentulous patient and Implant Dentistry is currently a discipline taught in the undergraduate formation. The level of knowledge acquired and how the students perceive the quality of training in Implant Dentistry could assess to know if it is necessary to improve the syllabus. MATERIAL AND METHODS: A questionnaire was developed with 11 questions: Basic knowledge (7); Perception of training received (2); Ways in which students would receive training (2)...
July 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28578369/what-is-the-frequency-of-anatomical-variations-and-pathological-findings-in-maxillary-sinuses-among-patients-subjected-to-maxillofacial-cone-beam-computed-tomography-a-systematic-review
#20
J Ata-Ali, J-V Diago-Vilalta, M Melo, L Bagán, M-C Soldini, C Di-Nardo, F Ata-Ali, J-F Mañes-Ferrer
BACKGROUND: When considering dental implant rehabilitation in atrophic posterior sectors, the maxillary sinuses must be evaluated in detail. Knowledge of the anatomical variations and of the potential lesions found in these structures conditions the outcome of sinus lift procedures and therefore of the dental implants. A systematic review is made to determine the frequency of anatomical variations and pathological findings in maxillary sinuses among patients subjected to cone beam computed tomography (CBCT)...
July 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
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