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dental implant

Thomas Young Ho Yoon, Richard A Michaud, Mitesh Patel, Alexandra M Manibo
OBJECTIVE: This study was conducted to evaluate variations in and the prevalence of the lingual concavity. MATERIALS & METHODS: This study used images taken between January 1st, 2011 and August 31st, 2015 from a total of 104 patient charts randomly selected from a private practice. These images were all acquired from a single cone beam computed tomography (CBCT) machine. The CBCT's were reviewed in cross sectional images of both the left and right anterior incisor and posterior molar regions...
October 19, 2016: Journal of Oral Implantology
Pier Paolo Poli, Marco CicciÃ, Mario Beretta, Carlo Maiorana
The clinical condition involving dental implants, characterized by soft tissue inflammation, bleeding, suppuration and rapid bone loss is widely known as peri implantitis. The main objective in the treatment of peri-implantis is to arrest the progression of the disease and at the same time to keep the dental implant in the mouth solving the inflammations signs of bleeding and pain. The aim of this paper is to highlight the effectiveness of the use of titanium brush and antimicrobial photodynamic therapy (aPDT) to decontaminate the implant surface, in association with regenerative procedures by means of autologous bone and demineralized bovine bone mineral (DBBM) in the treatment of peri-implantitis defects...
October 19, 2016: Journal of Oral Implantology
Vinay V Kumar, P C Jacob, Vikram Kekatpure, Naveen Hedne, Felix P Koch, Moni A Kuriakose
AIM: The aim of this clinical paper is to introduce a technique to plan for functional maxillofacial reconstructions. MATERIALS AND METHODS: Preoperative dental casts were made of the patient and mock surgery performed on the casts. A fibula analogue was then placed in an ideal functional reconstruction position. New dentures were fabricated on the fibula analogue and drill holes for the placement of implants were placed through the denture. This denture formed as a guide to position the fibula transplant during surgery...
September 2016: Journal of Maxillofacial and Oral Surgery
Hari Ram, Hardik Makadia, Gagan Mehta, Shadab Mohammad, Rakesh Kumar Singh, Nimisha Singh, Geeta Singh
INTRODUCTION: The term oro-antral fistula is understood to mean of fistular canal covered with epithelia which may or may not be filled with granulation tissue or polyposis of the sinus mucous membrane. With the presence of a fistula the sinus is permanently open, which enables the passage of microbial flora of the oral cavity into the maxillary sinus and the occurrence of inflammation with all possible consequences. Every now and then various researchers have proposed innumerable techniques to treat this defect...
September 2016: Journal of Maxillofacial and Oral Surgery
L Westover, G Faulkner, W Hodgetts, D Raboud
This study presents the Advanced System for Implant Stability Testing (ASIST) which provides a non-invasive, quantitative measure of the stability of percutaneous implants used for craniofacial rehabilitation such as bone anchored hearing aids or dental implants. The ASIST uses an impact technique coupled with an analytical model which allows the measure to be independent of the system components. This paper presents a laboratory evaluation of the ASIST for the Oticon Medical Ponto and the Cochlear Baha Connect bone anchored hearing aid (BAHA) systems...
October 6, 2016: Journal of Biomechanics
Mohammed Alshehri, Fahad Alshehri
PURPOSE: The aim of this review was to assess the effect of implant shape (tapered vs cylindrical) on the survival of dental implants placed in the posterior maxilla. METHODS: Databases were searched from 1977 up to and including February 2015 using various key words. Only original clinical studies were included. Experimental studies, letters to the editor, review articles, case reports, and unpublished literature were excluded. The pattern of the present review was customized to mainly summarize the relevant information...
October 4, 2016: Implant Dentistry
Rachel A Sheridan, Ann M Decker, Alexandra B Plonka, Hom-Lay Wang
PURPOSE: Occlusal overload may cause implant biomechanical failures, marginal bone loss, or even complete loss of osseointegration. Thus, it is important for clinicians to understand the role of occlusion in implant long-term stability. This systematic review updates the understanding of occlusion on dental implants, the impact on the surrounding peri-implant tissues, and the effects of occlusal overload on implants. Additionally, recommendations of occlusal scheme for implant prostheses and designs were formulated...
October 4, 2016: Implant Dentistry
Claudia Dellavia, Michele Giammattei, Daniela Carmagnola, Federica Musto, Elena Canciani, Matteo Chiapasco
PURPOSE: The aim of this work was to compare histologically bone biopsies obtained during dental implant placement in atrophic jaws reconstructed with fresh-frozen bone (FFB) or autologous bone blocks. MATERIALS AND METHODS: Twenty partially or totally edentulous patients were treated either with iliac crest FFB grafts (14 patients; group A) or with iliac crest autografts (6 patients; group B). Seven to 9 months later, dental implants were placed in the reconstructed jaws and bone biopsies were harvested...
September 28, 2016: Implant Dentistry
Jaume Miranda-Rius, Eduard Lahor-Soler, Lluís Brunet-Llobet, Xavier Sabaté de la Cruz
Patients with cardiac implantable electrical devices should take special precautions when exposed to electromagnetic fields. Proximity to equipment used in clinical dentistry may cause interference. This study evaluated in vitro the risks associated with different types/makes of cardiac devices and types of dental equipment. Six electronic dental tools were tested on three implantable cardioverter defibrillators and three pacemakers made by different manufacturers. Overall, the risk of interference with the pacemakers was 37% lower than with the implantable cardioverter defibrillators...
October 17, 2016: European Journal of Oral Sciences
Michael Clayton May, Paul Nielsen Andrews, Shadi Daher, Uday Nitin Reebye
BACKGROUND: Oral health care of patients with acquired immune deficiency syndrome (AIDS) due to human immunodeficiency virus (HIV) is a growing area of concern, taking into consideration the increased life expectancy of patients resulting from antiretroviral therapy. There is insufficient literature regarding the impact of dental implants in AIDS patients. This study investigated the long-term clinical outcome of implant placement in patients diagnosed with AIDS. METHODS: This monocentric study included AIDS patients with CD4 <200 cells/μL, age 18 years or older, and a minimum of one edentulous space requiring implant...
December 2016: Int J Implant Dent
Oscar G Bodelón, Celia Clemente, Miguel Angel Alobera, Soledad Aguado-Henche, María Lorenza Escudero, María Cristina García Alonso
BACKGROUND: In this work, the effect of the heat treatment on Ti6Al4V implants and topical administration of growth hormone to address a better osseointegration in osteoporotic patients has been analysed. METHODS: The osseointegration process of Ti6Al4V implants modified by oxidation treatment at 700 °C for 1 h and the influence of local administration of growth hormone (GH) in osteoporotic female rabbits after 15 and 30 days of implantation have been studied. Bone response was analysed through densitometric and histomorphometric studies...
December 2016: Int J Implant Dent
Yuta Shimura, Yuji Sato, Noboru Kitagawa, Miyuki Omori
BACKGROUND: Proper implant placement is very important for long-term implant stability. Recently, numerous biomechanical studies have been conducted to clarify the relationship between implant placement and peri-implant stress. The placement of multiple implants in the edentulous posterior mandible has been studied by geometric analysis, three-dimensional finite element analysis (FEA), model experimentation, etc. Offset placement is a technique that reduces peri-implant load. However, few studies have used multiple analyses to clarify the value of the offset placement under identical conditions...
December 2016: Int J Implant Dent
Takahiro Kaneko, Satoshi Nakamura, Shunsuke Hino, Norio Horie, Tetsuo Shimoyama
BACKGROUND: Sinus lift is a bone augmentation procedure that improves the alveolar crest height in an atrophic posterior maxilla. However, the regenerated bone volume can vary and generally has a tendency to decrease after sinus operation. This article describes nongrafted maxillary sinus lift using a bioresorbable unsintered hydroxyapatite combined with poly L-lactide (HA/PLLA) mesh plate device and dental implant placement in an atrophic posterior maxilla, after which continuous bone gain was observed around the implant apex during a postoperative follow-up period of 3 years...
December 2016: Int J Implant Dent
German Gomez-Roman, Steffen Launer
BACKGROUND: The purpose of this retrospective long-term study was to evaluate the peri-implant bone changes in immediate implants and matched non-immediate implants as a control group using a specific and proven measurement protocol over a 10-year period, because there are no similar studies published. METHODS: One hundred and thirty-three patients received 174 implants (immediate implants (IM) n = 87; control group (CG) n = 87). The two groups were matched following specific criteria for comparison: implant length, diameter, site of the implant, and patient's gender...
December 2016: Int J Implant Dent
Fumihiro Nishimaki, Hiroshi Kurita, Shinya Tozawa, Yuji Teramoto, Rishiho Nishizawa, Shin-Ichi Yamada
BACKGROUND: The purpose of this retrospective study was to accumulate data regarding the quality of postoperative neurosensory function after inferior alveolar nerve (IAN) transposition for dental implant placement. METHODS: The study included seven consecutive patients who underwent IAN transposition surgery for the insertion of a dental implant into the atrophic posterior mandible. Of these, six patients (seven sides) were available for long-term assessment of postoperative IAN function...
December 2016: Int J Implant Dent
Marcelo Augusto Pinto Cardoso Goularte, Gustavo Frainer Barbosa, Nilson Cristino da Cruz, Luciana Mayumi Hirakata
BACKGROUND: Search for materials that may either replace titanium dental implants or constitute an alternative as a new dental implant material has been widely studied. As well, the search for optimum biocompatible metal surfaces remains crucial. So, the aim of this work is to develop an oxidized surface layer on tantalum using plasma electrolytic oxidation (PEO) similar to those existing on oral implants been marketed today. METHODS: Cleaned tantalum samples were divided into group 1 (control) and groups 2, 3, and 4 (treated by PEO for 1, 3, and 5 min, respectively)...
December 2016: Int J Implant Dent
Yuji Teramoto, Hiroshi Kurita, Takahiro Kamata, Hitoshi Aizawa, Nobuhiko Yoshimura, Humihiro Nishimaki, Kazunobu Takamizawa
A little is known about the effect of radiotherapy on the dental implants that have previously been osseointegrated and charged. Here, we reported a case of osteoradionecrosis which arose around dental implants placed before radiation therapy.
December 2016: Int J Implant Dent
Christian Walter, Bilal Al-Nawas, Tim Wolff, Eik Schiegnitz, Knut A Grötz
OBJECTIVE: Bisphosphonate-associated osteonecrosis of the jaws (BP-ONJ) is triggered by inflammatory processes. Typical trigger factors are periodontal disease, denture pressure sores, and surgical interventions such as tooth extractions. Unfortunately there is only little data on how to proceed with implant therapy in patients with bisphosphonate treatment. This topic is not addressed in the German guidelines on medication-associated osteonecrosis. Therefore a systematic literature review was performed...
December 2016: Int J Implant Dent
Lorenzo Trevisiol, Pasquale Procacci, Antonio D'Agostino, Francesca Ferrari, Daniele De Santis, Pier Francesco Nocini
PURPOSE: Several authors have described zygoma implants as a reliable surgical option to rehabilitate severe maxillary defects in case of extreme atrophy or oncological resections. The aim of this study is to report a new technical approach to the rehabilitation of a complex oronasal defect by means of a zygoma-implant-supported full-arch dental prosthesis combined with a nasal epithesis. PATIENTS AND METHODS: The patient presented with a subtotal bilateral maxillectomy and total rhinectomy defect because of a squamous cell carcinoma of the nose...
December 2016: Int J Implant Dent
Jan Wolff, K Hakki Karagozoglu, Jochen H Bretschneider, Tymour Forouzanfar, Engelbert A J M Schulten
Dental implants have been in routine clinical use for over three decades and are a predictable treatment modality. However, as with all other aspects of dentistry, complications occur. A 50-year-old female patient with complaints of a long ongoing unpleasant altered nasal airflow presented herself at the VU University Medical Center Amsterdam. Visual inspection of the right nasal cavity revealed that the apical part of a dental implant placed in the upper right first incisor region had perforated the nasal floor and was partially protruding into the nasal cavity...
December 2016: Int J Implant Dent
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