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Prosthodontic attachments

Weerapan Aunmeungtong, Thongnard Kumchai, Frank P Strietzel, Peter A Reichart, Pathawee Khongkhunthian
BACKGROUND: Dental implant-retained overdentures have been chosen as the treatment of choice for complete mandibular removable dentures. Dental implants, such as mini dental implants, and components for retaining overdentures, are commercially available. However, comparative clinical studies comparing mini dental implants and conventional dental implants using different attachment for implant-retained overdentures have not been well documented. PURPOSE: To compare the clinical outcomes of using two mini dental implants with Equator(®) attachments, four mini dental implants with Equator attachments, or two conventional dental implants with ball attachments, by means of a randomized clinical trial...
November 1, 2016: Clinical Implant Dentistry and related Research
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
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: The aim of this paper 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 esthetic and function for long time. METHODS: Finite element analysis (FEA) and tests based on the Von Mises criterion have been applied in order to evaluate the stress distribution over two different prosthodontics retention systems...
December 2016: Minerva Stomatologica
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
Ashlesha Subhash Marathe, Prasad Shankarrao Kshirsagar
Loss of mandibular continuity results in deviation of remaining mandibular segment toward the resected side primarily because of the loss of tissue involved in the surgical resection. The success in rehabilitating a patient with hemimandibulectomy depends upon the nature and extent of the surgical defect, treatment plan, type of prosthesis, and patient co-operation. The earlier the mandibular guidance therapy is initiated in the course of treatment; the more successful is the patient's definitive occlusal relationship...
April 2016: Journal of Indian Prosthodontic Society
Rania Livada, Jacob Shiloah, Timothy L Hottel
AIM: To illustrate the reversibility of "pathologic tooth migration" in several patients that were managed by periodontal therapy alone, along with a review of the relevant literature. BACKGROUND: Pathologic tooth migration (PTM) is a common phenomenon among patients seeking dental care. Different etiologic factors have been implicated in PTM: loss of periodontal support, occlusal interferences, posterior bite collapse, and various oral habits such as: lip biting, tongue thrusting, and playing wind instruments...
October 2015: Journal of the Tennessee Dental Association
X Liu, Y Zhang, Z Zhou, S Ma
AIMS: This retrospective study evaluated the clinical performance of combining a fiber-reinforced, composite-resin (FRC) bonded splint; bridge; fiber post; and/or resin veneer for the restoration of periodontally-involved anterior teeth. METHODS: Sixty-three patients with periodontally-involved anterior teeth each received one of the following splinting restorations: FRC-bonded splint-bridges (SB), a combination of an FRC-bonded splint and resin veneer (SV), or FRC-bonded splints (S)...
March 11, 2016: British Dental Journal
Sandy Cepa, Beatrice Koller, Benedikt Christopher Spies, Susanne Stampf, Ralf-Joachim Kohal
OBJECTIVE: To evaluate implant survival, peri-implant tissue conditions, prosthodontic maintenance requirements and patient satisfaction of two differently retained implant-supported mandibular overdentures (IOD) after the 3 years of observation. MATERIALS AND METHODS: Twenty-five patients with edentulous mandibles received two implants each. Twelve patients were randomly selected to receive ball attachments, whereas 13 patients received prefabricated coni. Implant survival, peri-implant parameters (modified Plaque Index, Bleeding on Probing, modified Gingival Index, probing depth and marginal bone loss) and patient satisfaction were assessed...
January 27, 2016: Clinical Oral Implants Research
Kostas Zygogiannis, Daniel Wismeijer, Irene Ha Aartman, Reham B Osman
PURPOSE: Different treatment protocols in terms of number, diameter, and suprastructure design have been proposed for immediately loaded implants that are used to support mandibular overdentures opposed by maxillary conventional dentures. The aim of this study was to investigate the influence of these protocols on survival rates as well as clinical and prosthodontic outcomes. MATERIALS AND METHODS: Several electronic databases were searched for all relevant articles published from 1966 to June 2014...
January 2016: International Journal of Oral & Maxillofacial Implants
Alan G T Payne, Andrew Tawse-Smith, Daniel Wismeijer, Rohana K De Silva, Sunyoung Ma
OBJECTIVE: To determine implant survival and prosthodontic maintenance of implant-assisted mandibular removable partial dentures in a multicentre prospective study up to 10 years. MATERIALS AND METHODS: Forty-eight participants with mandibular distal extension partial dentures were selected. A control group of 12 New Zealand participants had new conventional mandibular partial dentures made. Three test groups of 36 participants in New Zealand (n = 12), the Netherlands (n = 12) and Colombia (n = 12) had bilateral distal implants placed...
January 22, 2016: Clinical Oral Implants Research
Karnik Shah, Damian J Lee
In contemporary implant and prosthodontic practice, high levels of surgical and biologic success rates have been achieved. However, mechanical and technical complications continue to exist. Of these, one of the biggest challenges to the clinician is the conservative retrieval of fractured screw fragments from within the implants and/or abutments. While removal is desirable, the fragments cannot always be removed, and alternative solutions for the management of such clinical situations must be considered. This clinical report describes the replacement of 2 fractured, irretrievable, Locator abutment screws of a mandibular implant-retained overdenture with a cast dowel and laser welded Locator attachments...
April 2016: Journal of Prosthetic Dentistry
Ahmed Yaseen Alqutaibi
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Attachment systems for mandibular implant overdentures: a systematic review. Kim HY, Lee JY, Shin SW, Bryant SR.J Advanced Prosthodont 2012;4(4):197-203. REVIEWER: Ahmed Yaseen Alqutaibi, BDS, MDSc, PhD(c) PURPOSE/QUESTION: To address treatment outcomes depending on attachment systems for two-implant mandibular-supported overdentures in terms of (1) implant survival rate, (2) prosthetic maintenance and complications, and (3) patient satisfaction...
December 2015: Journal of Evidence-based Dental Practice
Blessy Susan Bangera, Satyabodh Shesharaj Guttal, Sudhindra S Kulkarni, Adarsh Kudva, Srinath Thakur
Surgical treatment of malignancies in the oral cavity (mandible, tongue, floor of the mouth, alveolus, buccal sulcus) often results in an unfavourable anatomic condition for prosthodontic rehabilitation. Hence, maxillofacial prosthetic rehabilitation becomes a mightier task when resection is accompanied by radiation therapy. In selected cases, implant therapy comes to rescue. The following report throws light on the case of prosthetic rehabilitation of a patient who underwent right marginal mandibulectomy and right partial glossectomy, with the aid of a single implant, semi precision attachment and magnet supported partial denture...
September 2015: Journal of Clinical and Diagnostic Research: JCDR
Tushar Vitthalrao Bhagat, Ashwini Nareshchandra Walke
The ideal goal of good dentist is to restore the missing part of oral structure, phonetics, his look and the most important is restored the normal health of the patient, which is hampered due to less or insufficient intake of food. Removable partial denture (RPD) treatment option is considered as a notion, which precludes the inevitability of "floating plastic" in edentulous mouth, that many times fail to fulfill the above essential of the patients. In modern dentistry, though the dental implants or fixed partial denture is the better options, but they have certain limitations...
September 2015: Journal of International Oral Health: JIOH
Necla Demir, Pınar Cevik, Yener Okutan, A Nilgun Ozturk, Bahar Colpan
Replacement of missing ears is a challenging task in which extensive array of materials and techniques have been employed. This article describes a different and simplified procedure for fabricating auricular prostheses very similar to the intact left ear of the patient. A 65-year-old male patient was referred to the Department of Prosthodontics with the loss of the right ear. In this case, the impression was made using hydrocolloid material (alginate) from the both defected and the opposite side. After hardening of the stone casts, a custom-made transparent splint plate was designed for the left auricular side...
July 2015: European Journal of Dentistry
Purwar Anupam, G N Anandakrishna, Shetty Vibha, Janya Suma, Khanna Shally
The preservation of remaining root structure and alveolar bone covering them with denture has been used since many years. Tooth-retained overdentures transfer occlusal forces to the alveolar bone through the periodontal ligament of the retained tooth roots and thereby prevent bone resorption. Applications of magnets in overdenture technique has been widely used in dentistry in the field of prosthodontics, as they can be manufactured in small dimensions as retentive devices for complete denture, removable partial dentures, obturators and maxillofacial prosthesis...
December 2014: Journal of Indian Prosthodontic Society
Cristian Schuh, Jovito Adiel Skupien, Mauro Elias Mesko, Fernanda Valentini, Tatiana Pereira-Cenci, Noéli Boscato
The present clinical report describes the prosthodontic management for a patient with uncontrolled bleeding and diabetes mellitus treated with a maxillary complete denture and a mandibular partial fixed dental prosthesis designed to interface with a removable cast framework partial denture retained by 2 ERA attachments. This approach was undertaken to improve both retention and stability of the distal extension Kennedy Class I removable partial denture. The rehabilitation provided better anterior esthetics than if treated with a conventional clasp retained removable partial denture, by employing a simple, practical design and offering a significant biomechanical advantages, restoring both oral health and function...
December 2014: Journal of Indian Prosthodontic Society
Momen A Atieh, Nabeel H M Alsabeeha, Alan G T Payne, Warwick Duncan, Clovis M Faggion, Marco Esposito
BACKGROUND: Alveolar bone changes following tooth extraction can compromise prosthodontic rehabilitation. Alveolar ridge preservation (ARP) has been proposed to limit these changes and improve prosthodontic and aesthetic outcomes when implants are used. OBJECTIVES: To assess the clinical effects of various materials and techniques for ARP after tooth extraction compared with extraction alone or other methods of ARP, or both, in patients requiring dental implant placement following healing of extraction sockets...
2015: Cochrane Database of Systematic Reviews
Sanjna Nayar, S Bhuminathan, R Mahadevan
Successful restoration of the dentition requires plenty of contemporary and conventional treatment techniques and planning and attachment retained partial dentures are one such kind of treatment modality in prosthodontics. Satisfactory restoration in a patient with a partially edentulous situation can be challenging especially when unilateral or bilateral posterior segment of teeth is missing. One such treatment modality is attachment-retained cast partial dentures. The purpose of this article is to provide an overview of a case with maxillary complete denture and opposing cast partial denture with precision attachment...
April 2015: Journal of Pharmacy & Bioallied Sciences
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