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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
Suguru Kimoto, Yasuhiko Kawai, Atsuko Gunji, Hisatomo Kondo, Taro Nomura, Tomohiko Murakami, Akito Tsuboi, Guang Hong, Shunsuke Minakuchi, Yusuke Sato, Gaku Ohwada, Tetsuya Suzuki, Katsuhiko Kimoto, Noriyuki Hoshi, Makiko Saita, Yoshikazu Yoneyama, Yohei Sato, Masakazu Morokuma, Joji Okazaki, Takeshi Maeda, Kenichiro Nakai, Tetsuo Ichikawa, Kan Nagao, Keiko Fujimoto, Hiroshi Murata, Tadafumi Kurogi, Kazuhiro Yoshida, Masahiro Nishimura, Yasuhiro Nishi, Mamoru Murakami, Toshio Hosoi, Taizo Hamada
BACKGROUND: Denture adhesives, characterized as medical products in 1935 by the American Dental Association, have been considered useful adjuncts for improving denture retention and stability. However, many dentists in Japan are hesitant to acknowledge denture adhesives in daily practice because of the stereotype that dentures should be inherently stable, without the aid of adhesives. The aim of this study is to verify the efficacy of denture adhesives to establish guidelines for Japanese users...
October 18, 2016: Trials
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
Brajendra S Tomar, G S Chandu, Shubhra Singh, Manish Goutam
The positive psychological effects of improving patients' smile often contribute to an improved self-image and enhanced self-esteem. Periodontal disease may lead to tooth and tissue loss that can result in esthetic problems. Combined periodontal/prosthodontic treatment for patients with advanced disease is well documented. This case report illustrates a method of treatment for an advanced tissue loss in an esthetic area using a removable silicone gingival prosthesis/mask.
October 2016: Journal of Indian Prosthodontic Society
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
X P Luo, Y Yuan, Y J Shi, D D Qian
Objective: To evaluate the clinic performance of high strength glass ceramic crowns for the painful cracked teeth during a 10-year observation period. Methods: Forty-two posterior teeth from 36 patients were diagnosed as having a crack, biting painful and sensitivity to cold were selected in the Department of Prosthodontic, Institute and Hospital of Stomatology, Nanjing University Medical School. The lost-wax hot pressed glass ceramic crowns were bonded on the minimally invasive prepared teeth by modern adhesive technology...
October 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
Francesco Ravasini, Matteo Fornari, Mauro Bonanini
BACKGROUND: The use of photogrammetry may be a new method to quantify the amount of artificial dental material removed from the surface of each teeth during the grind procedure (SG). SG is necessary in each denture to reach a correct occlusion. It consists in a refine action on the prosthesis teeth's surface using milling machine tools, aimed to remove the interferences (pre-contacts) between upper and lower teeth during chewing. This measure is achieved after a comparison between pre and post-grinding 3D models...
December 2016: Minerva Stomatologica
M O'Keeffe, J M Collins, S J Cunningham
INTRODUCTION: This study evaluated patients' experiences of the Hypodontia Care Pathway at a large teaching hospital at key stages: specifically patient expectations/experience following the diagnosis of hypodontia and then patient satisfaction with the orthodontic care received and the outcome at the end of active orthodontic treatment. METHODOLOGY: In-depth, semi-structured interviews were conducted with 20 hypodontia patients following completion of orthodontic treatment but prior to any planned prosthodontic treatment commencing...
October 5, 2016: Journal of Orthodontics
Terence A Imbery, Nicholas Diaz, Kristy Greenfield, Charles Janus, Al M Best
Preclinical fixed prosthodontics is taught by Department of Prosthodontics faculty members at Virginia Commonwealth University School of Dentistry; however, 86% of all clinical cases in academic year 2012 were staffed by faculty members from the Department of General Practice. The aims of this retrospective study were to quantify the quality of impressions, accuracy of laboratory work authorizations, and most common errors and to determine if there were differences between the rate of errors in cases supervised by the prosthodontists and the general dentists...
October 2016: Journal of Dental Education
Terence A Imbery, Kristy Greenfield, Nicholas Diaz, Charles Janus, Al M Best
The aim of this retrospective study was to quantify differences between general dentists and prosthodontists regarding appointments, treatment time, impressions, and preoperative diagnostic data in teaching predoctoral clinical fixed prosthodontics. Electronic dental records (n=356) of patients treated at one dental school in academic year 2012 were randomly selected for review to obtain the following data: faculty and student demographics, number of appointments and treatment time from preparation to cementation, number of impressions made, completion of oral disease control treatment (ODCT), and presence of preoperative periapical radiographs and diagnostic casts...
October 2016: Journal of Dental Education
James L Sheets, Judy Chia-Chun Yuan, Cortino Sukotjo, Alvin G Wee
The aim of this study was to determine the difference between the intended education by advanced education in prosthodontics (AEP) program directors and the perceived education received by AEP residents with respect to concepts of esthetic dentistry. Residents' confidence levels and current practices were also determined based on program level, with first- and second-year residents combined into "junior residents" and third- and fourth-year residents combined into "senior residents." Surveys were distributed to all U...
October 2016: Journal of Dental Education
Elena Nazarova, Melanie Martin-Peele, Judith Fifield
The aims of this study were to assess features of an academic career that dental specialty residents, as a group and by gender, find most attractive and to identify what determines their expectations for responsibilities and professional growth in academic employment. In November 2013, an invitation to participate in the study along with a link to an online survey was sent to the 407 U.S. program directors of six of the dental specialties (endodontics, oral and maxillofacial surgery, pediatric dentistry, periodontics, prosthodontics, and orthodontics), asking them to forward the survey to their residents...
October 2016: Journal of Dental Education
Stephen F Rosenstiel
No abstract text is available yet for this article.
September 28, 2016: Journal of Prosthetic Dentistry
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
John A Sorensen
The rate of innovations in prosthodontics has been picking up considerable momentum and products have emerged, demonstrating superb strength and high esthetics. Trends indicate a preference for metal-free restorations, as the offerings of zirconia products have become more nuanced. Also, innovative scanning systems provide dental teams a greater flexibility and enhanced productivity.
June 2016: Compendium of Continuing Education in Dentistry
He Cai, Shuying Yang, Xibo Pei, Hai Qing, Jian Wang
STATEMENT OF PROBLEM: Gingival displacement is recognized as a substantive and difficult procedure in fixed prosthodontics. However, a realistic simulation of gingival displacement is unavailable for preclinical dental students. PURPOSE: The purpose of this study was to evaluate whether practice-based preclinical instruction of gingival displacement with animal models could improve students' skill in patient care. MATERIAL AND METHODS: Isolated bovine mandibles (calves were younger than 6 months of age) and isolated porcine hemimandibles were prepared for this study...
September 24, 2016: Journal of Prosthetic 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
Eun-Cheol Kim, Myo-Kyoung Kim, Richard Leesungbok, Suk-Won Lee, Su-Jin Ahn
OBJECTIVE: Although cobalt-chromium (Co-Cr) dental alloys are routinely used in prosthodontics, the biocompatibility of Co-Cr alloys is controversial. The aims of the present study were to investigate the effects of Co-Cr alloys on human gingival fibroblasts (HGF) and osteoblasts in an in vitro model as well as their potential molecular mechanisms, focusing on NF-E2-related factor 2 (Nrf2) pathways. METHODS: Cells were directly seeded on prepared Co-Cr alloy discs (15...
September 23, 2016: Dental Materials: Official Publication of the Academy of Dental Materials
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
Dominique Niesten, Dick Witter, Ewald Bronkhorst, Nico Creugers
OBJECTIVES: To examine relationships between oral health (OH) factors and general health (GH) factors (including physical, mental, and social health domains), and oral health-related quality of life (OHRQoL) in a care-independent and a care-dependent older population. METHODS: Care-independent participants (n=109) were recruited from the Nijmegen dental school; care-dependent participants (n=126) from residential aged care facilities. Data collected included: OHRQoL (Geriatric Oral Health Assessment Index (GOHAI)), age, gender, socioeconomic status, number of teeth and occluding pairs, presence of carious teeth, presence of removable dental prostheses, clinically assessed treatment need (CTN), self-reported GH, and, only for care-dependent participants: care-dependency level and health domain variables: physical, mental (SF-12: Physical and Mental Component Summary scores), and social (ENRICHD social support index)...
September 20, 2016: Journal of Dentistry
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