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https://www.readbyqxmd.com/read/29787632/peri-implant-soft-tissue-status-and-crestal-bone-levels-around-adjacent-implants-placed-in-patients-with-and-without-type-2-diabetes-mellitus-6-years-follow-up-results
#1
Mohammed N Alasqah, Mohammed Alrabiah, Khulud Abdulrahman Al-Aali, Sameer A Mokeem, Abdulelah M Binmahfooz, Aws S ArRejaie, Tariq Abduljabbar
BACKGROUND: The long-term success and survival of dental implants type-2 diabetic subjects is debatable. PURPOSE: The present 6 years' follow-up prospective clinical study compared the peri-implant soft tissue status and crestal bone loss (CBL) around adjacent implants placed among type-2 diabetic and nondiabetic subjects. MATERIALS AND METHODS: Type-2 diabetic (Group-1) and nondiabetic individuals (Group-2) with adjacent dental implants were included...
May 22, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29786135/scientific-update-on-nanoparticles-in-dentistry
#2
REVIEW
Gottfried Schmalz, Reinhard Hickel, Kirsten L van Landuyt, Franz-Xaver Reichl
Nanoparticles having a size from 1 to 100 nm are present in nature and are successfully used in many products of daily life. In dental materials, nanoparticles are typically embedded but they may also exist as by-products from milling processes. Possible adverse effects of nanoparticles have gained increased interest, with the lungs being the main target organ. Exposure to nanoparticles in the dental laboratory is addressed by legal regulations. In dental practice, nanoparticles are mainly produced by intra-oral grinding/polishing and removal of materials, by wear of restorations or release from dental implants...
May 22, 2018: International Dental Journal
https://www.readbyqxmd.com/read/29781765/individualized-titanium-mesh-combined-with-platelet-rich-fibrin-and-deproteinized-bovine-bone-a-new-approach-for-challenging-augmentation
#3
Jonas Lorenz, Sarah Al-Maawi, Robert Sader, Shahram Ghanaati
Autologous bone transfer is regarded as the gold standard for ridge augmentation before dental implantation, especially in severe bony defects caused by tumor resection or atrophy. In addition to the advantages of autologous bone, transplantation has several disadvantages, such as secondary operation, increased morbidity and pain. The present study reports, for the first time, a combination of a xenogeneic bone substitute (BO) with platelet-rich fibrin (PRF), which is a fully autologous blood concentrate derived from the patient's own peripheral blood by centrifugation...
May 21, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29779289/-orthodontic-intrusion-of-the-first-and-second-mandibular-molars-with-a-vacuum-formed-removable-appliance-a-case-report
#4
Qing Liu, Xin-Qi Huang, Dan Jiang, Hao-Jun Chi, Ling-Jie Wang, Wen-Tian Sun, Jun Liu
This case report focused on a patient with supraeruption of the first and second mandibular molars as a result of loss of the first and second maxillary molars for a long time. We adopted a combination of a vacuum-formed removable appliance and elastics to intrude the first and second mandibular molars by using a continuous, light force to acquire sufficient restoration space for maxillary molars. Thus, the dental-implant treatment was successful, and a good and stable occlusal relationship was established.
April 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29779182/locator%C3%A2-versus-ceramic-electroplated-double-crown-attachments-a-prospective-study-on-the-intraindividual-comparison-of-implant-supported-mandibular-prostheses
#5
Silvia Brandt, Jan Brandt, Ali-Reza Ketabi, Hans-Christoph Lauer, Anna Kunzmann
OBJECTIVES: Implant-supported overdentures are an established dental treatment mode. The aim of this prospective study was and interindividual comparison of patient satisfaction with restorations retained by a prefabricated and thus inexpensive attachment system (Locator®) or with a technologically complex and thus expensive attachment system (ceramic/electroplated double crowns) with similar retentive performance. MATERIALS AND METHODS: Twelve patients received a Locator and a double-crown prosthesis in a crossover study for test periods of 3 months each...
May 19, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29770239/comparison-of-marginal-bone-loss-between-internal-and-external-connection-dental-implants-in-posterior-areas-without-periodontal-or-peri-implant-disease
#6
Dae-Hyun Kim, Hyun Ju Kim, Sungtae Kim, Ki-Tae Koo, Tae-Il Kim, Yang-Jo Seol, Yong-Moo Lee, Young Ku, In-Chul Rhyu
Purpose: The purpose of this retrospective study with 4-12 years of follow-up was to compare the marginal bone loss (MBL) between external-connection (EC) and internal-connection (IC) dental implants in posterior areas without periodontal or peri-implant disease on the adjacent teeth or implants. Additional factors influencing MBL were also evaluated. Methods: This retrospective study was performed using dental records and radiographic data obtained from patients who had undergone dental implant treatment in the posterior area from March 2006 to March 2007...
April 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29763504/investigational-clinical-trial-of-a-prototype-optoelectronic-computer-aided-navigation-device-for-dental-implant-surgery
#7
Asbjørn Jokstad, Brenton Winnett, Joseph Fava, David Powell, Eszter Somogyi-Ganss
PURPOSE: New digital technologies enable real-time computer-aided (CA) three-dimensional (3D) guidance during dental implant surgery. The aim of this investigational clinical trial was to demonstrate the safety and effectiveness of a prototype optoelectronic CA-navigation device in comparison with the conventional approach for planning and effecting dental implant surgery. MATERIALS AND METHODS: Study participants with up to four missing teeth were recruited from the pool of patients referred to the University of Toronto Graduate Prosthodontics clinic...
May 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29763494/expression-levels-of-semaphorins-3a-3b-4a-and-4d-on-human-peri-implantitis
#8
Marta Ferreira Bastos, Leonardo de Franco, Andressa Cristina Garcia Tebar, Gabriela Giro, Jamil Awad Shibli
PURPOSE: To evaluate the gene expression levels of semaphorins 3A, 3B, 4A, and 4D in both healthy and diseased implants. MATERIALS AND METHODS: Subjects with peri-implantitis presented clinical attachment loss, probing depth ≥ 5 mm, bleeding on probing and/or suppuration, and radiographic bone loss > 4 mm. Peri-implant tissue biopsy specimens were sampled for analysis of the mRNA expression levels for semaphorins 3A, 3B, 4A, and 4D. A real-time polymerase chain reaction was performed, and the gene expression levels of semaphorins in relation to the housekeeping gene were analyzed by using the nonparametric Mann-Whitney test (P < ...
May 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29763343/clinical-and-patient-related-outcomes-of-a-tapered-implant-system-with-switched-platform-conical-abutments-a-private-practice-field-trial
#9
Jacob Horwitz, Eli E Machtei, Shai Frankental, Eran Gabay, Yaniv Mayer, Livia Joseph, Omer Cohen
The aim of this prospective cohort observational field trial was to examine 1-year survival and success rates of a recently introduced tapered implant system with switched platform conical abutments and to evaluate patient related outcomes of therapy. Partially edentulous patients aged between 18-75, with available bone height for dental implants ≥ 10mm mm. desiring to restore the missing tooth/teeth with implant supported restoration, were recruited by seven periodontists in their respective private practices...
May 15, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29736606/a-multiscale-analytical-approach-to-evaluate-osseointegration
#10
REVIEW
Anders Palmquist
Osseointegrated implants are frequently used in reconstructive surgery, both in the dental and orthopedic field, restoring physical function and improving the quality of life for the patients. The bone anchorage is typically evaluated at micrometer resolution, while bone tissue is a dynamic composite material composed of nanoscale collagen fibrils and apatite crystals, with defined hierarchical levels at different length scales. In order to understand the bone formation and the ultrastructure of the interfacial tissue, analytical strategies needs to be implemented enabling multiscale and multimodal analyses of the intact interface...
May 7, 2018: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/29732681/incidental-finding-of-a-degrading-zirconia-dental-implant-29-months-after-implantation-histological-and-histomorphometrical-analysis
#11
Alireza Houshmand, Phil Donkiewicz, Ralf Smeets, Ole Jung, Mike Barbeck
With the emerging development and improvement of biomaterials, the application of ceramics in restorative medicine has experienced a renaissance. New production processes have reportedly helped to overcome unfavorable biomechanical characteristics of these materials, which lead to a wide application of zirconia as ground material for dental implants. Zirconia-based implants are biocompatible, demonstrate ability to osseointegrate and have a teeth-like color, rendering them to be an ideal replacement for titanium-based implant systems, which represent the current gold standard in implantology...
May 7, 2018: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29728889/comparative-evaluation-of-soft-and-hard-tissue-changes-following-endosseous-implant-placement-using-flap-and-flapless-techniques-in-the-posterior-edentulous-areas-of-the-mandible-a-randomized-controlled-trial
#12
Divya Kumar, G Sivaram, B Shivakumar, Tss Kumar
BACKGROUND: Dental implant-supported restorations have long been used as a successful modality for replacing missing teeth. There are two well-established methods of implant placement. The traditional approach to implant surgery involves raising a mucoperiosteal flap and the alternative approach does not involve reflecting a flap, each having its own advantages and disadvantages. The purpose of the present study was to compare and evaluate the soft and hard tissue changes around endosseous implants placed using flap and flapless surgery in mandibular posterior edentulous sites over a period of time...
May 5, 2018: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29723319/prosthetic-tooth-replacement-in-a-german-population-over-the-course-of-11-years-results-of-the-study-of-health-in-pomerania
#13
Torsten Mundt, Christian Schwahn, Carsten Oliver Schmidt, Reiner Biffar, Stefanie Samietz
PURPOSE: To evaluate changes in distribution of teeth and in prosthodontic tooth replacement during an 11-year period in an adult population. MATERIALS AND METHODS: Information on prosthetic status was collected from 4,288 participants aged 20 to 81 years at baseline in the Study of Health in Pomerania (SHIP-0) and from 2,244 participants aged 30 to 92 years who reappeared in the 11-year follow-up (SHIP-2). The tooth distribution per arch was classified into one of the six following classes: class 0 (edentulous), class 1 (one to three remaining teeth), class 2 (extended tooth-bounded space or extreme shortened dental arch), class 3 (small anterior space), class 4 (small posterior space with one or more missing premolars), or class 5 (functional dentition)...
May 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29723313/a-five-year-retrospective-assay-of-implant-treatments-and-complications-in-private-practice-restorative-treatment-profiles-of-long-span-implant-supported-fixed-and-removable-dental-prostheses
#14
Vahed Parzham, Roy B Judge, Denise Bailey
PURPOSE: To describe the restorative treatment profiles of long-span (> three units), implant-supported dental prostheses (LIDPs) prescribed in 27 private practices in the state of Victoria, Australia, during the period from January 1, 2005, to December 31, 2009. The restorative treatment profiles of these prostheses refer to the framework/veneering materials, number of prosthetic units/supporting implants, location in the oral cavity, retention methods, and cantilever designs. LIDPs refer to implant-supported prostheses of fixed or removable design; namely, fixed partial dentures (IFPDs), fixed complete dentures (IFCDs), removable partial dentures (IRPDs), and complete overdentures (IODs)...
May 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29714491/importance-of-prototype-use-for-implant-supported-complete-fixed-dental-prosthesis-icfdp
#15
Jonathan H Dawson, Grady Dix, Bryan T Harris, Wei-Shao Lin
Restorative material options for implant-supported complete fixed dental prostheses (ICFDP) have progressed from traditional metal-acrylic or metal-ceramic combinations to today's monolithic zirconia or high-performance polymer designs. To avoid potential errors that may be introduced into the restorative process in the interim phase and to provide a more predictable clinical outcome of the definitive ICFDP, a clinical protocol utilizing a prototype prosthesis is described in this case report.
May 2018: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/29707613/an-overview-of-development-and-status-of-fiber-reinforced-composites-as-dental-and-medical-biomaterials
#16
REVIEW
Pekka K Vallittu
Fibr-reinforced composites (FRC) have been used successfully for decades in many fields of science and engineering applications. Benefits of FRCs relate to physical properties of FRCs and versatile production methods, which can be utilized. Conventional hand lamination of prefabricated FRC prepregs is utilized still most commonly in fabrication of dental FRC devices but CAD-CAM systems are to be come for use in certain production steps of dental constructions and medical FRC implants. Although metals, ceramics and particulate filler resin composites have successfully been used as dental and medical biomaterials for decades, devices made out of these materials do not meet all clinical requirements...
2018: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/29700442/evidence-based-knowledge-on-the-aesthetic-and-maintenance-of-peri-implant-soft-tissues-osteology-foundation-consensus-report-part-3-aesthetics-of-peri-implant-soft-tissues
#17
(no author information available yet)
For single-tooth implants, the papilla height between an implant and a tooth is predominantly dependent on the clinical attachment level of the tooth. In cases with two adjacent implants, it is not possible to define the optimal horizontal distance between two adjacent implants restored with fixed dental prostheses.  et al.  2018; 29 (Suppl 15): 14-17.
April 27, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29692571/a-clinical-assessment-of-the-volume-of-interproximal-papilla-after-definitive-prosthesis-around-immediate-and-delayed-loading-implants-placed-in-the-maxillary-esthetic-zone-an-in-vivo-study
#18
Rushad Hosi Nariman, Umesh Yeshwanth Pai, M K Soumya, Rakshith Hegde
Background: The presence of the dental papilla is critical to achieve esthetics in a single tooth implant restoration. Aim: The purpose of this study was to determine if there were differences in the papilla fill between implant and teeth comparing immediate implant placement and provisionalised single tooth implant restorations with delayed implant placement and provisionalised single tooth implant restorations. The papilla fill in these two groups was evaluated using the Jemt papilla index...
April 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29687096/improved-volume-and-contour-stability-with-thin-socket-shield-preparation-in-immediate-implant-placement-and-provisionalization-in-the-esthetic-zone
#19
Serhat Aslan
Tooth replacement with a dental implant in the esthetic zone is a challenging treatment modality for the clinician. Each step of the treatment from tooth extraction to the definitive restoration should be performed meticulously to achieve a good esthetic outcome. Negative effects of the extraction can be minimized by various treatment protocols. Recent developments involving partial root retention (socket-shield technique) offer enhanced buccal tissue contour in these cases. This clinical report presents a slight modification to the socket-shield technique by preparing a thin shield and performing immediate implant placement...
2018: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/29673708/fractographic-analyses-of-failed-one-piece-zirconia-implant-restorations
#20
Marit Øilo, Dwayne Arola
BACKGROUND: Promising results of initial clinical trials with yttria-stabilized zirconia have led to more extensive use of zirconia in dental implant superstructures. The applications have extended to abutments and complex individually designed crown-abutment one-piece structures. Little is known about their clinical success and the primary cause of failures. PURPOSE: The aim of this study was to identify the cause of fracture of retrieved implant-retained one-piece prostheses that failed during clinical use...
April 16, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
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