[Vertical dimension restoration in complete and partial dentures].
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Adult↗
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Results for “Denture, Partial”
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Comparative evaluation of chewing function with removable partial dentures and fixed prostheses supported by the single-crystal sapphire implant in the Kennedy Class II partially edentulous mandible.
Differential chewing function with removable partial dentures (RPDs) and fixed prostheses supported by the single-crystal sapphire implant was evaluated in five subjects with Kennedy Class II partially edentulous mandibles by means of electromyography. Rehabilitation with the single-crystal sapphire implant resulted in regular chewing patterns with a low variation coefficient and higher activity of chewing-side masticatory muscles compared to RPD rehabilitation. This difference in chewing function between the two rehabilitation modalities could be the result of differences in stability of occlusion and neurophysiologic feedback systems.
Aluminum Oxide↗
Allergic contact stomatitis from a gold alloy--fixed partial denture.
Allergic contact stomatitis to gold is rare. To our knowledge, seven cases caused by dental restorations have been previously reported. Each of the patients was female. This report documents an allergic reaction to gold in a fixed prosthesis. A female patient, previously sensitized to gold earrings, experienced an itching and burning pain sensation and ulceration of the oral tissues adjacent to the gold restoration. Patch tests confirmed the allergy to gold. The dentist needs to be aware of the symptoms that are characteristic of the allergic manifestations of gold. Inquiries about allergies to metals and jewelry should be a part of the medical history. Any patient experiencing pain, itching, burning, and ulceration of the mucosa adjacent to a cast gold restoration should be suspected of an allergic contact stomatitis.
Adult↗
Allergy to a partial denture casting: case report.
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Adult↗
Anterior fixed partial dentures utilizing the acid-etch technique and a cast metal framework.
A technique has been described which permits the fabrication and attachment of an anterior fixed partial denture without tooth preparation. The fixed partial denture is attached to the lingual surfaces of the abutment teeth utilizing a composite resin and acid-etched enamel. Conservation of tooth structure and minimal chair time and patient expense are the primary advantages of this technique.
Acid Etching, Dental↗
Fabrication of an indirect-direct provisional fixed partial denture.
This article describes a procedure for fabricating an optimal provisional restoration before tooth preparation. The procedure involves the fabrication of an indirect-direct provisional fixed partial denture. There are several advantages to this procedure, such as reduced chair time, less heat generated in the mouth, reduced contact between resin monomer and soft tissues, and optimal esthetics.
Denture Design↗
Longevity of two-unit cantilevered resin-bonded fixed partial dentures.
PURPOSE: To examine the clinical performance of two-unit cantilevered resin-bonded fixed partial dentures that were inserted at The Prince Philip Dental Hospital, Hong Kong by students and staff between 1992 and 1998. MATERIALS AND METHODS: A search of the Hospital computer records system revealed a list of 130 patients who had received two-unit cantilevered resin-bonded fixed partial dentures (RBFPD) placed more than 24 months previous to the review date. For each patient clinically examined, the following data were recorded: gender, age, operator, cementation date, endodontic treatment if performed, bone support, tooth mobility, the presence of shimstock contacts on abutment or pontic in intercuspal position, the presence of interproximal contacts adjacent to the prosthesis assessed by dental floss. Date of any debonds with subsequent treatment was recorded and the patient was asked qualitative questions about their prosthesis. RESULTS: 82 prostheses were placed in 69 patients and were found to have a mean service life of 36.7 +/- 15.4 months and a range of 4.3 months to 95.4 months. In total, four prostheses were reported to have debonded resulting in a clinical retention rate of 95.1%. No rotation, drifting or tipping was observed for any of the prostheses during the time of this study. Overall patients' satisfaction with RBFPDs was good with an average assessment rating of 8.2.
Adolescent↗
A review of attachments for removable partial denture design: Part 2. Treatment planning and attachment selection.
Part 2 follows the initial review of attachment partial dentures presented in Part 1 and considers the analysis of specific treatment requirements to provide a rationale for appropriate attachment selection. The tooth/tissue-supported removable partial denture is carefully reviewed and several treatment philosophies for attachment use in this situation are discussed.
Dental Clasps↗
Plaque recordings as a guide to the prognosis for partial denture treatment.
Separate mean plaques scores of the proximal surfaces of abutment teeth, which faced denture saddles, were obtained from thirty-three subjects with removable partial dentures, following a period of ordinary tooth-brushing and at the end of a period following instruction in specialized tooth-brushing. With ordinary tooth-brushing, the subjects were distributed in the upper range of plaque scores which was considered dangerous to periodontal health. With specialized tooth-brushing the subjects showed lower mean plaque scores, but over a wider distribution. Thus patients are variously at risk when treated with partial dentures.
Adult↗
[Computer-assisted design in removable partial dentures. Expert system and software for framework tracing].
Stelligraph, a software program for designing the removable partial denture offers many possibilities in computer assisted technology. The design can be realized on any particular case, based on three different concepts. This software program can also provide on individual, manual and personalized design this offening complete freedom in the conception. This software program is an expert system in removable partial denture by providing the general practitioner with a rational design as well as clinical guidance for oral rehabilitation.
Denture Design↗
Histologic evaluation of the periodontium of abutment teeth in combination implant/tooth fixed partial denture.
The histologic response of the periodontal tissues of teeth rigidly joined to implants with a fixed partial denture was evaluated using light microscopy. The fourth premolar of a dog was connected to implants placed in the first and second premolar position with a fixed partial denture. The restored teeth were under function for periods of 6, 12, 18, and 24 months, with unrestored fourth premolars as controls. The histology of the periodontal ligament on the fourth premolar was found to be similar in the control and the restored teeth. The periodontal tissues contained a minimal amount of inflammatory cell infiltrate. The crestal bone was cortical in nature, showing no periodontal breakdown. The orientation of the periodontal fibers was easily determined, indicating that minimal remodeling had taken place. The number and morphology of the blood vessels were also similar in the control and the treated teeth. The lack of inflammation and stability of the periodontal tissue suggested that the use of combination implant-to-natural-teeth restorations with rigid joints in this animal model does not result in deleterious effects on the periodontal tissues and that the forces placed on the tissues are within the remodeling capabilities of the teeth.
Animals↗
[Direct retention of the partial denture].
Direct retainers or clasps are the most demanding structural elements of the partial denture. Numerous clasps which are presented in the literature are divided into two main groups according to their design and function: clasps with occlusal approach (circumferential clasps) and clasps with gingival approach (vertical projection clasps). Number of clasps described in the article are satisfactory for creative design of all removable dentures in the partially edentolous mouth.
Denture Design↗
Modification of stresses surrounding abutment teeth for fixed partial dentures induced by various levels of periodontal support: a photoelastic study.
A photoelastic replica system was used to study stresses produced within the periodontium of abutment teeth for a fixed partial denture. Three replicas, each representing a different level of periodontal support, were constructed. Abutment teeth were subjected to occlusal forces and examined in a polariscope before and after prosthesis construction. Stress distributions and concentrations produced in the periodontium of abutment teeth by an occlusal force were favorably altered by the placement of a fixed partial denture. Stress concentrations produced in the periodontium of abutment teeth were notably altered by a moderate (20%) loss of support. Further (40%) loss of periodontium did not result in appreciably additional change. The stress patterns produced in the periodontium of both replicas which simulated loss of periodontium were also favorably altered by the placement of a fixed partial denture.
Dental Abutments↗
Cross-pin fixation for fixed partial dentures.
A technique is described in which a standardized post system is used as a cross pin. The pin is partially embedded in the mesial or distal aspect of the abutment tooth and the remainder of the pin diameter is incorporated in the metallic substructure of the fixed partial denture. The cemented pin will add retention and resistance to the fixed partial denture. The differences between threaded and smooth cross pins are discussed.
Cementation↗
Oral restoration with fixed partial dentures on transplanted abutment teeth.
Thirty-five fully developed teeth were autogenously transplanted for 24 partially edentulous adult patients to enable the placement of fixed partial dentures. Restoration was successfully carried out on 22 patients during the follow-up period up to 13 years after surgery. Two restorations failed, one because of root fracture and another as a result of ankylosis of the transplanted tooth. Six transplanted abutment teeth showed root resorption and/or loss of attachment without consequence for the dental restoration. The proportion of successful tooth transplantations was 97% after 1 year, 94% after 2 years, and 88% from 6 to 13 years. Transplantation of teeth using a two-stage surgical technique could provide the necessary dental support for fixed partial dentures even for patients with atrophic alveolar bone.
Adult↗
Combining resin-bonded prostheses and removable partial dentures: report of case.
The resin-bonded prosthesis provides an alternative for tooth replacement in that the prosthesis can be combined with other dentures. The prosthesis was used conservatively in this case, with modified abutment teeth to improve the function of the removable partial denture. Decreased expense, shorter chair time, and the noninvasive nature of the procedure make the prosthesis an option for patients with special problems.
Acid Etching, Dental↗
Two-year clinical evaluation of lithia-disilicate-based all-ceramic crowns and fixed partial dentures.
OBJECTIVES: The aim of this study was to evaluate the clinical performance of crowns and fixed partial dentures (FPDs) made with the Empress 2 system over a 2-year period. METHODS: Twenty anterior or posterior all-ceramic (Empress 2) crowns and 20 anterior or posterior, three-unit fixed partial dentures were fabricated for 15 patients. Evaluations of the restorations were performed at baseline and once a year during the 2-year follow-up period. U.S. Public Health Service criteria were used to examine the marginal adaptation, color match, secondary caries and visible fractures in the restorations. Survival rate of the restorations were determined using Kaplan-Meier statistical analysis. RESULTS: U.S. Public Health Service criteria showed 100% Alpha scores concerning recurrent caries for both crowns and FPDs. No crown fractures were observed during the 2-year follow-up, however, 10 (50%) catastrophic failures of FPDs occurred. Five (25%) failures occurred within the 1-year clinical period and the others (25%) within the second year. SIGNIFICANCE: Single unit Empress 2 all-ceramic crowns exhibited a satisfactory clinical performance over 2-year period. Furthermore, the high fracture rate of Empress 2 FPDs limits the usage of Empress 2 for the fabrication of all-ceramic FPD.
Adult↗
A multifunctional, provisional, implant-retained fixed partial denture.
This article describes the modification of a procedure for fabricating a laboratory-processed, metal-reinforced, acrylic resin provisional restoration that becomes an implant-retained fixed partial denture. The modification involves the incorporation of patrix and matrix components into a cast metal framework. The prosthesis can be used as an alternative to a removable radiologic stent and surgical guide. It can function as a surgical guide during implant placement and help retract the buccal mucogingival flap during implant placement. The prosthesis also can be used as an aid in locating the implant during stage II surgery. Finally, the pontics can be converted into an implant-supported provisional restoration immediately after the implant prosthetic components are attached to the uncovered implants.
Adult↗