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Implant Prosthodontics

Hyung-In Yoon
OBJECTIVE: This report is to present the treatment procedure and clinical considerations of prosthodontic management of a patient who had undergone a partial mandibulectomy and fibular free flap surgery. DESIGN: A 59-year-old man with a squamous cell carcinoma received a partial mandibular resection. Microsurgical reconstruction with a fibular free flap surgery and implant-supported zirconia-fixed prosthesis produced by computer-aided manufacturing led to successful results for the oral rehabilitation of mandibular defects...
October 2016: Journal of Craniofacial Surgery
Yoshiyuki Hagiwara, Tatsuya Narita, Yohei Shioda, Keisuke Iwasaki, Takayuki Ikeda, Shunsuke Namaki, Thomas J Salinas
BACKGROUND: There are many implant cases in which dental technicians take initiative with regard to the design of implant prostheses, and to a certain extent, this area of care is one in which dentists do not necessarily play the leading role. Moreover, inadequate communication between dental technicians and dentists and insufficient instructions for technicians has been highlighted as issues in the past. The purpose of this questionnaire is to improve the quality of implant prostheses and thereby contribute to patient service by clarifying, among other aspects of treatment, problem areas and considerations in the fabrication of implant prostheses, conceptual-level knowledge, and awareness of prosthodontics on the part of the dentists in charge of treatment and methods for preventing prosthetic complications...
December 2015: Int J Implant Dent
Mansi Manish Oswal, Ulhas N Amasi, Manish S Oswal, Ashish S Bhagat
PURPOSE: Clinical success of implant prosthodontics is dependent in part upon the type of implant thread design. The selection of implant thread design plays an important role in the outcome of the treatment. This study was undertaken to evaluate the pattern of stress distribution using a finite element analysis; hence, the area which would be bearing maximum load for a given design would be arrived. MATERIALS AND METHODS: Three implants with different thread designs, namely V-thread, buttress, and reverse buttress thread designs were considered and dimensions were standardized...
October 2016: Journal of Indian Prosthodontic Society
S Listl, C M Faggion, H J Staehle
Dental treatment planning is usually expected to take account of the individual patient's clinical risks and benefits. Ideally, the therapeutic choice for each and every patient should be based on adequate clinical diagnostics and risk assessment that facilitates stabilization of the patient's clinical condition as well as prevents further oral impairment. However, identification of the most suitable approach tends to become more and more challenging as the number of therapeutic alternatives continues to increase due to medical innovation...
September 2016: Operative Dentistry
Krysta Sellers, John M Powers, Sudarat Kiat-Amnuay
STATEMENT OF PROBLEM: The optimal retention of implant-supported ceramic crowns on zirconia abutments is a goal of prosthodontic treatment. PURPOSE: The purpose of this in vitro study was to evaluate the retentive strength of implant-supported IPS e.max CAD-CAM (e.max) crowns bonded to custom zirconia implant abutments with different cements. MATERIAL AND METHODS: An optical scan of a zirconia custom abutment and a complete-coverage modified crown was designed using an intraoral E4D scanner...
September 24, 2016: Journal of Prosthetic Dentistry
Anders Ekfeldt, Björn Fürst, Gunnar E Carlsson
OBJECTIVES: To evaluate the clinical outcome of custom-made zirconia abutments for implant-supported single-tooth restorations 10-11 years after insertion. MATERIAL AND METHODS: The study comprises a clinical examination of 23 patients with 30 restorations placed 10-11 years ago. Oral surgeons placed the implants. The prosthodontic treatment was provided at a prosthodontic specialist clinic. The restoration was either an all-ceramic crown for cementation or a screw-retained one-piece restoration with the veneering porcelain baked directly to the zirconia abutment...
September 24, 2016: Clinical Oral Implants Research
Sofia Papadiochou, Eleni Kotsiomiti, Argirios L Pissiotis
PURPOSE: A survey was conducted in the Dental School, Aristotle University, Thessaloniki, Greece, (i) to assess the perceptions and experiences of senior dental students, Classes of 2014 and 2015, toward the old, specialty-specific (OC) and new, holistic-oriented (NC) undergraduate curriculum, respectively, in removable prosthodontics and (ii) to identify areas of improvement in prosthodontic training. MATERIALS AND METHODS: Structural components of both curricula were collected, including the total number of (i) laboratory/lecture/clinical training hours, (ii) written examinations, (iii) mandatory clinical cases, and (iv) European Credit Transfer and Accumulation System (ECTS) credits...
September 6, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
Tim Joda, Marco Ferrari, Urs Bragger
OBJECTIVES: The aim of this prospective clinical cohort study was to validate implant crowns with a novel Functional Implant Prosthodontic Score (FIPS). MATERIAL AND METHODS: Twenty patients were restored with cement-retained crowns on soft tissue level implants (Institut Straumann AG, Basel, Switzerland) in posterior sites and annually followed-up for 3 years. FIPS was applied for the objective outcome assessment including clinical and radiographic examinations...
August 23, 2016: Clinical Oral Implants Research
Yasemin Nur Korkmaz, Filiz Yagci
OBJECTIVE: Tooth transposition is a rare dental anomaly that could lead to undesirable side effects on other teeth. This case report aims to describe the multidisciplinary treatment of a patient with a severely resorbed permanent maxillary central incisor due to transposition with the permanent canine. CLINICAL CONSIDERATIONS: A girl aged 13 years and 7 months with a chief complaint of a pink spot on her maxillary left incisor with a slightly erupted tooth above it was referred to our clinic...
August 5, 2016: Journal of Esthetic and Restorative Dentistry
Sunyoung Ma, J Neil Waddell, Momen A Atieh, Nabeel Hm Alsabeeha, Alan Gt Payne
PURPOSE: This study aimed to evaluate the 10-year prosthodontic outcomes with splinted and unsplinted designs for maxillary overdentures on three implants opposing mandibular two-implant overdentures. MATERIALS AND METHODS: Using two similar implant systems, 40 edentulous participants with existing mandibular two-implant overdentures were randomly allocated to two prosthodontic treatment groups (splinted design with bar units; unsplinted design with ball attachments)...
July 2016: International Journal of Prosthodontics
Pascal Auroy, Emanuel Nicolas, Yvan Bedouin
STATEMENT OF PROBLEM: No data are available on the ability of an impression coping to resist the manual placement of an abutment replica (implant analog) during prosthodontic laboratory procedures after a direct (pick-up) impression. PURPOSE: The purpose of this in vitro study was to evaluate the torque resistance of impression copings after a direct impression, that is, the amount of rotational torque sufficient to induce irreversible displacement of impression copings in the impression material bulk once the impression has been made...
July 28, 2016: Journal of Prosthetic Dentistry
Charlotte Grenade, Marie-Claire De Pauw-Gillet, Patrick Gailly, Alain Vanheusden, Amélie Mainjot
OBJECTIVES: Polymer-infiltrated-ceramic-network (PICN) materials constitute an innovative class of CAD-CAM materials offering promising perspectives in prosthodontics, but no data are available in the literature regarding their biological properties. The objective of the present study was to evaluate the in vitro biocompatibility of PICNs with human gingival fibroblasts (HGFs) in comparison with materials typically used for implant prostheses and abutments. METHODS: HGF attachment, proliferation and spreading on discs made of PICN, grade V titanium (Ti), yttrium zirconia (Zi), lithium disilicate glass-ceramic (eM) and polytetrafluoroethylene (negative control), were evaluated using a specific insert-based culture system (IBS-R)...
September 2016: Dental Materials: Official Publication of the Academy of Dental Materials
Floriana Lauritano, Michele Runci, Gabriele Cervino, Luca Fiorillo, Ennio Bramanti, Marco CICCIù
BACKGROUND: Aim of this work is to underline the prosthodontics components features of two different overdenture retention systems on dental implants The use of titanium, dental implants for replacing missing teeth is today considered to be a predictable procedure giving the patients aesthetic and function for long time. METHODS: Fem investigation and Von Mises analyses have been applied for evaluating the stress distribution over two different prosthodontics retention systems...
June 30, 2016: Minerva Stomatologica
J Ahlqvist
The aims of this study were; i) to determine the accuracy by which two intra-oral radiographic examinations performed on patients with edentulous mandibles treated with dental implants can be matched. ii) to determine whether prosthodontic supra-construction is important for matching. iii) to investigate whether there is a difference between oral and maxilla-facial radiologists (OMR) and dental practitioners, not specialized in oral and maxillofacial radiology (NOMR), regarding their ability to match. The specific features of the radiographs used by the operators to acquire a match were also investigated...
2016: Journal of Forensic Odonto-stomatology
G Makhviladze, L Tsitaishvili, M Kalandadze, V Margvelashvili
The aim of the present study is to identify the level of edentulism among the adult population of Georgia, to assess the prosthodontics status and normative needs for prosthetic treatment. Cluster- stratified method was used for sampling. Overall, 2370 adults including 1289 women and 1081 men and four age groups I - 20-34, II - 35-44, III - 45-64, IV - 65-74 in nine regions of Georgia and the capital, Tbilisi, were examined. The loss of teeth due to caries or periodontitis was observed to differing extents throughout the population...
April 2016: Georgian Medical News
Stuart J Froum, Sang-Choon Cho, Salvatore Florio, Craig M Misch
The edentulous anterior atrophic maxilla represents a challenge for the surgeon and restorative dentist. Soft- and hard-tissue augmentation procedures are often required prior to, or simultaneously with, implant placement. A well-planned treatment protocol, patient compliance, and collaboration between the treating clinicians and the laboratory are requirements in achieving predictable long-term outcomes that satisfy patient expectations. Avoiding transmucosal loading and movement of the graft during the healing phase are crucial factors in achieving lasting success...
May 2016: Compendium of Continuing Education in Dentistry
Toshihito Takahashi, Tomoya Gonda, Akiko Tomita, Yoko Mizuno, Yoshinobu Maeda
PURPOSE: As maxillary implant overdentures are being increasingly used in clinical practice, prosthodontic complications related to these dentures are also reported more often. The purpose of this study was to examine the influence of palatal coverage and implant distribution on the shear strain of maxillary implant overdentures. MATERIALS AND METHODS: A maxillary edentulous model with implants inserted in the anterior, premolar, and molar areas was fabricated. Two kinds of experimental overdentures, with and without palatal coverage, were also fabricated, and two strain gauges were attached at the midline of the labial and palatal sides...
May 2016: International Journal of Oral & Maxillofacial Implants
Rudolf Fürhauser, Georg Mailath-Pokorny, Robert Haas, Dieter Busenlechner, Georg Watzek, Bernhard Pommer
PURPOSE: Failing residual dentition gives rise to patient concerns about the surgical and prosthodontic management of immediate implant rehabilitation. The purpose of this study was to assess subjective patient experiences of full-arch immediate implant loading. MATERIALS AND METHODS: Patients made a transition from poor dentition in the maxilla (25 patients) or mandible (25 patients) to full-arch rehabilitation on the day of extraction using four interantral or interforaminal implants...
May 2016: International Journal of Oral & Maxillofacial Implants
Eduardo Anitua, Laura Piñas, Mohammad Hamdan Alkhraisat
BACKGROUND: There is a paucity of studies examining long-term outcomes of immediate loading of dental implants immediately placed into infected sites. This study aims to evaluate long-term outcomes of immediate loading of postextraction implants placed in infected sites. METHODS: Patients were selected if they had postextraction implants in the anterior maxilla that were inserted in the period from December 2006 to June 2015 and immediately loaded. Information collected about patients included: 1) demographic data; 2) implant details; 3) soft tissue stability; and 4) prosthodontics data...
October 2016: Journal of Periodontology
Aljomar José Vechiato-Filho, Aldiéris Alves Pesqueira, Grace M De Souza, Daniela Micheline dos Santos, Eduardo Piza Pellizzer, Marcelo Coelho Goiato
PURPOSE: This systematic review aimed to evaluate whether the survival rate and predictability of zirconia abutments are similar to those of titanium abutments for single implant crowns in the posterior area. MATERIALS AND METHODS: A systematic search of two databases (Medline/PubMed and Cochrane Library) was performed by two independent reviewers for articles published between January 2004 and July 2014. The electronic search was complemented by a hand search of the following journals from the same period: Journal of Periodontology, Clinical Oral Implants Research, International Journal of Prosthodontics, and International Journal of Oral and Maxillofacial Implants...
May 2016: International Journal of Prosthodontics
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