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prosthodontics,dental implant,crowns and bridges

Bernhard Pommer, Lukas Hingsammer, Robert Haas, Georg Mailath-Pokorny, Dieter Busenlechner, Georg Watzek, Rudolf Fürhauser
Prosthodontically driven biomechanical considerations are essential for longterm successful outcomes in dental implant therapy. Correct protocols seek to preclude potential consequences associated with functional and parafunctional occlusal overload such as screw loosening, component fracture, compromised marginal bone maintenance, and the integrity of the induced osseointegration response. Other concerns also need to be addressed, more especially when other implants are selected, for example: bridge insertion torque (BIT) in cases of immediate loading, cantilever length-anteroposterior spread ratio (CL-AP), overall crown-to-implant ratio (oCIR), total bone-to-implant surface area (tBICA), and the status of the opposing dentition...
July 2015: International Journal of Prosthodontics
R Tizzoni, L Veneroni, C A Clerici
BACKGROUND: During the last three decades dental implants have become increasingly used in partially edentulous periodontally compromised patients. The type of bacteria in the peri-implant sulcus is influenced by the periodontal bacteria present on the surfaces of the remaining teeth. Peri-implant sulci of partially edentulous individuals harbour more motile rods and spirochetes than those of fully edentulous individuals. If Peri-implantitis arises, it may lead to implant failure. This complication occurs more frequently in patients with poor oral hygiene...
March 2013: Oral & Implantology
Andreas Kurbad
The role and function of provisional restorations has changed significantly in recent years. The reasons include the improvement of material properties and the CAD/CAM production option using polymer blanks, which are offered by various manufacturers. Besides their classic indications in crown and bridge prosthodontics, provisional restorations are now used for soft-tissue management, preparation and adaptation in complex restorations that include changes in vertical relations, and as mock-ups in esthetic dentistry...
2013: International Journal of Computerized Dentistry
Koichi Yoshino, Noriaki Kariya, Daisuke Namura, Ichinari Noji, Kenichiro Mitsuhashi, Hiroyuki Kimura, Akiharu Fukuda, Ikuo Kikukawa, Tomoko Hayashi, Naoyuki Yamazaki, Morihiro Kimura, Koken Tsukiyama, Kazuie Yamamoto, Ai Fukuyama, Daijiro Hidaka, Jun Shinoda, Hideaki Mibu, Yozo Shimakura, Akihito Saito, Shuji Ikumi, Kazuhiro Umehara, Fumio Kamei, Hirofumi Fukuda, Tomohiko Toake, Yoshito Takahashi, Yasushi Miyata, Shogo Shioji, Masamoto Toyoda, Natsuo Hattori, Hideshi Nishihara, Ryoji Matsushima, Masakazu Nishibori, Osamu Hokkedo, Masahiko Nojima, Toshiyuki Kimura, Masatsugu Fujiseki, Shinichiro Okudaira, Kazunari Tanabe, Masahiro Nakano, Koji Ito, Masahiko Kuroda, Takashi Matsukubo
The main reasons for loss of autotransplanted teeth are different from those involved in natural teeth loss. The aim of this study was to investigate which procedures were employed to treat spaces vacated when autotransplanted teeth were lost. Participating dentists were requested to provide information on transplantations they had undertaken. A total of 614 teeth in 552 patients (37 dentists) ranging in age from 17 to 79 years (mean age: 44.1 years) were examined. A total of 102 transplanted teeth were lost during the observation period...
2013: Bulletin of Tokyo Dental College
Sybille Scheuber, Stefan Hicklin, Urs Brägger
AIM: To systematically evaluate the existing evidence to answer the focused question: For a patient with a single tooth to be replaced, is the implant crown, based on economic considerations, preferred to a conventional fixed partial denture? MATERIAL AND METHODS: PubMed MEDLINE, Cochrane-Central and Embase databases were searched using an extended list of search terms related to economics, which were then combined with the terms "prosthodontics" and "dental implant...
October 2012: Clinical Oral Implants Research
Rong Liao, Yunfeng Zhao
Finite element stress analysis has been widely used in stomatology. In this article, we summarized the stress distributions of all-ceramic crowns, post crowns, fixed partial dentures and implant support fixed dentures; and with the use of finite element method, we investigated the stress levels of the periodontal ligament of abutment. The results showed: the tensile stress and compressive stress concentrated at the cervical margin of all-ceramic crown and post crown; the stress at the surface of the crown was the highest; the stress concentration exhibited at the connector of fixed parital denture, the molar was an ideal abutment tooth for the fixed bridge; the largest stress appeared around the neck of the implant abutment...
December 2010: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
Nalan Sule Sonmez, Erhan Sonmez, Cihan Akcaboy
INTRODUCTION: Biocompatibility of a crown-bridge material is as important as its physical and mechanical properties. It is also one of the most important factors for the long-lasting clinical success of that restoration. It directly contacts the vital prepared tooth and that is the reason it has to be nontoxic to the local tissues, such as the pulp, gingiva, or the rest of the body. Materials with different physical properties are used in the conventional fixed prosthodontic restorations...
October 2010: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
Azza Al-Ani, Vincent Bennani, Nicholas P Chandler, Karl M Lyons, W Murray Thomson
OBJECTIVE: To identify the techniques most commonly used in New Zealand for gingival retraction for impressions of natural teeth and implants in fixed prosthodontics. DESIGN: Postal survey of a random sample of dentists METHODS: A questionnaire was mailed to all members of the New Zealand Dental Association (NZDA). Data were analysed using SPSS. RESULTS: The response rate was 51%. Veneer, crown and bridge treatments were routinely carried out by 89% of respondents, while implant treatment and/or implant-supported prostheses were provided by 65%...
September 2010: New Zealand Dental Journal
Giovanni E Salvi, Urs Brägger
PURPOSE: To systematically appraise the impact of mechanical/technical risk factors on implant-supported reconstructions. MATERIAL AND METHODS: A MEDLINE (PubMed) database search from 1966 to April 2008 was conducted. The search strategy was a combination of MeSH terms and the key words: design, dental implant(s), risk, prosthodontics, fixed prosthodontics, fixed partial denture(s), fixed dental prosthesis (FDP), fixed reconstruction(s), oral rehabilitation, bridge(s), removable partial denture(s), overdenture(s)...
2009: International Journal of Oral & Maxillofacial Implants
D Bartlett, A Preiskel, P Shah, A Ahmed, R Moazzez
AIMS: Before embarking upon changes to teaching in prosthodontics it is important to identify what techniques are being used in general practice. The aim of this study was to assess the current range and quantity of fixed and removable prosthodontics reported in general dental practice in the South East of England. METHOD: Structured questionnaires were sent to 191 randomly selected dentists from the GDC list in the South East of England, with 71% of the dentists completing the questionnaire...
October 24, 2009: British Dental Journal
Tetsuo Ichikawa
In this article, intrinsic problems lying in Prosthodontics research and educational field were pointed out and Prosthodontics as it ought to be as a nature science was discussed. Prospect of prosthetic dentistry/Prosthodontics as a clinical science was categorized the following four and discussed: 1) systematizing of conventional Prosthodontics, such as crown, bridge, partial and complete denture, 2) contribution to oral rehabilitation of mastication, swallowing, and speech for elderly and inpatient elderly, 3) innovation of prosthetic dentistry using more comfortable and aesthetic prosthesis, such as Implant and Adhesive Dentistry, and 4) translational research...
July 2006: Nihon Hotetsu Shika Gakkai Zasshi
Feng Sun, Gui-rong Zhang, Feng Zhang, Feng Liu, Hong Mao, Ling Huang, Peng-fei Wang
Computer assisted design/computer assisted machining (CAD/CAM) technology has received considerable clinical and research interest from modern dental practices as a means of delivering all-ceramic restorations. Up to now the CAD/CAM system with zirconia has the highest fracture strength in all all-ceramic materials, and consistently enabled the most esthetic, lifelike reproduction of natural dentition. They have been widely received by both dentists and patients. The CAD/CAM system with zirconia is indicated for crowns and bridges in natural teeth or implants and telescope dentures, the CAD/CAM with zirconia can be placed anywhere in the mouth, and can replace the porcelain crowns and bridges for single crown and bridges less than 6 units...
August 2006: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
Peter F Kurer
There are two causes of common failures in posts and implants: retention and stress distribution. Implants that were smooth metal cylinders have today become threaded metal cylinders. By using one additional hand-operated instrument, the thread cutter and an additional five minutes of time, a rigid, threaded, metal post can be placed in the root canal to support the remaining coronal dentine. The tooth can frequently be rebuilt as a single unit or a bridge abutment to last for as long as the bone supports the root...
January 2006: New York State Dental Journal
Hirofumi Yatani
PURPOSE: In order to reveal the relationship between 8020 movement and prosthodontic treatments, a systematic review was conducted concerning the clinical questions of 1) whether the longevity of abutment teeth is extended by prosthodontic treatment, 2) whether prosthodontic treatment can help extend the longevity of remaining teeth. METHODS: In order to determine the survival rate of the crown and bridge, the prognosis of the abutment of crowns and bridges, the influence of removable partial denture and dental implant therapies on the survival of remaining teeth, and the survival rates of remaining teeth between when the teeth adjacent to missing teeth are treated prosthodontically and when not treated, a systematic review using computer online searches was conducted...
April 2005: Nihon Hotetsu Shika Gakkai Zasshi
John Davliakos
No abstract text is available yet for this article.
November 2003: Dental Implantology Update
I Baucić, M Baucić, J Stipetić, D Komar, K Mehulić, D Bozić, B Klaić, A Celebić
The aim of this study was to screen patients with fixed prosthodontic appliances that were in oral cavity for a period of 5 years or more and to assess clinically and radiologically root caries, gingival recession, pocket formation, alveolar ridge resorption, as well as gingival (GI) and plaque index (PI). The aim also was to find out the differences between materials and constructions, between abutment and non-abutment teeth, and to find out the need for replacement. A total of 260 patients and their orthopantomograms were examined, with a total of 2,265 teeth, 610 being bridge abutments and 246 being crowns...
December 2002: Collegium Antropologicum
Jürgen Willer, Nicole Noack, Ulf Ellwanger, Jürgen Hoffmann
The aim of this study was to evaluate the long-term prognosis after insertion of 510 IMZ-implants in case of free-end situations of the upper and lower jaw and prosthodontic restoration. We examined 222 patients prospectively who were treated in a dental practice because of uni- or bilateral free-end situation between 1984 and 1996. Affected and crowned teeth which were neighbouring the implant-based suprastructure, were blocked with these by use of bridge-restorations or attachments. In all the other cases purely implant-based bridge or single-tooth restorations were inserted...
2002: Revue Mensuelle Suisse D'odonto-stomatologie
William S Jameson
UNLABELLED: The dynesthetic and dentogenic concept, when applied, provides a more natural, harmonious prosthesis, which not only is desired by patients, but also is a quality of care they deserve. Outstanding esthetics can be achieved by simple guidelines, using tooth molds specifically sculpted for males and females, arranging prosthetic teeth to correspond with personality and age and sculpting the matrix (visible denture base) with more natural contours. There is no reason for edentulous individuals to be provided with care of any less quality than that available with other procedures, such as crowns, bridges, veneers, or implant restorations...
2002: Journal of Esthetic and Restorative Dentistry
M Kaán, B Kaán, K Károlyházy
Sz. S. a 39-years-old patient was referred to our department in 1968. Patient's masticatory dysfunction, orofacial pain syndrome and substantial weight loss was due to a combined genuine and acquired deep vertical overbite aggravated by a marked difference between the size of the lower and upper jaw bones. The premolars and molars had already been extracted. The lower incisors bit onto the palatal gingiva in centric occlusion causing direct mechanical irritation on the palate. Consequently the centric occlusion position of the mandible was only defined by the contact between the lower central incisors and the palatal soft tissue...
April 2001: Fogorvosi Szemle
R D Westerman
Some of the most disheartening things that can happen to restorative dentists is to be faced with problems, complications, and failures in their own fixed prosthodontics. A highly advantageous technique for removing existing restorations and creating removable cement-retained fixed prosthodontics has been described. In the history of crown and bridge prosthodontics, there has not been a proven precision technique to remove these restorations, with the exception of screw-retained implant prostheses, which exhibit many disadvantages...
June 1999: Dentistry Today
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