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Results for “Mandibular Prosthesis”

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At least 145 records · Page 8Linked to original sources
PubMed1989

TMJ dysfunction: surgical management and reconstruction.

In this paper the surgical management of TMJ dysfunction-ankylosis and arthropathies-is described. The surgical techniques and the necessity of wide exposure are pointed out. Only thus are correct reshaping of the condyle, repair of the disc and radical resection of ankylotic bone tissue possible. The indication for prosthetic substitution to be interpositioned in cases with discal atrophy and perforation is discussed. There were no cases of facial paresis and no recurrence of ankylosis. The results, in regard to the functional aspects, confirm the efficiency of the methods described.

Ankylosis↗
PubMed1988

Use of the Kirschner wire for mandibular reconstruction.

An adaptation of the Kirschner wire, using tie wires for fixation of the Kirschner wire in primary mandibular reconstruction following ablative surgery, is described. Eighteen patients with a Kirschner wire serving as a prosthesis following mandibular resection were followed up. Except for three patients, who had extensive resection of the tongue, all patients were judged as having satisfactory mastication and deglutition. Only two patients required another operation for wire-related complications. The Kirschner wire, when modified as presented, proved a dependable and stable prosthesis for mandibular reconstruction.

Adult↗
PubMed1989

Mandibular reconstruction with the THORP condylar prosthesis after hemimandibulectomy.

The subject of this paper is the evaluation of the advantages pertaining to the THORP (titanium hollow screw reconstruction plate) condylar prosthesis for reconstruction after hemimandibulectomy and exarticulation. The THORP condylar prosthesis is three-dimensionally adjustable, enabling the intraoperative meticulous functional adaptation of the condyle. Various designs of the condyle make it possible to achieve optimal congruency between the articular fossa and condyle. The anchorage of the prosthesis to the stump of the mandible is achieved with perforated hollow-screws rigidly fixed to the plate, thus producing optimal functional stability. The long-term follow-up of eleven cases, reconstructed with this system, confirmed the correct guidance and functional efficiency of this type of condylar prosthesis.

Adolescent↗
PubMed1985

Total condylar prosthesis for alloplastic jaw articulation replacement.

Increasing attention has been paid to the development and testing of endoprostheses for the mandibular joint during the past few years. Theoretical considerations and knowledge of the compressive forces acting on this joint during rotational movements of the jaw induced us to concentrate our efforts on complete artificial joints right from the start. The clinical results obtained with individually-produced total endoprostheses made of Wisil for the mandibular joint are described. So far, 9 such artificial joints have been implanted in 6 patients. The post-operative assessment of jaw function by the patients, the clinical findings, tooth load measurements and jaw tracing were used to estimate the success of treatment. A total mandibular joint prosthesis which is completely different in regard both to material and shape of the artificial condyle, based on the experience gained so far, is presented.

Adult↗
PubMedDate not supplied

Peri-implant bone loss: management of a patient.

This clinical report presents the prosthodontic management of early peri-implant bone loss in a partially edentulous patient. Two narrow Brånemark implants (3.3 mm in diameter) were placed to retain a mandibular implant prosthesis in the area of the mandibular left second premolar and first molar. Two weeks after the prosthesis was put into function, the distal implant exhibited soft tissue reactions. Radiographically, bone corresponding to 4 threads and 7 threads was lost at the mesial and distal sites, respectively. After occlusal load reduction was made to the existing prosthesis, bone was observed to have regenerated sufficiently to restore the defect radiographically, though not to the original level. The bone remained at a similar level at 36 months after treatment.

Adult↗
PubMed1999

Evaluating the clinical performance of the Osseotite implant: defining prosthetic predictability.

A 5-year prospective, multicenter study is in progress at four private dental practices to determine the cumulative implant survival rate and prosthetic outcome when using the Osseotite dental implant in posterior maxillary and mandibular areas. An interim evaluation after 34.4 months of study progress is presented. A total of 219 Osseotite implants were placed in 74 patients (34 women and 40 men with a mean age of 57.8 +/- 15.2 years) using a conventional two-stage surgical protocol and 3- to 6-month healing time. Subsequently, patients were restored with fixed or removable restorations. Nineteen of the 74 patients reported smoking an average of 13.2 cigarettes per day. Restorative treatments included 40 single-unit restorations; 53 splinted 2-, 3-, 4-, and 5-unit implant-supported maxillary and mandibular prostheses; 4 full-arch fixed maxillary prostheses; 1 mandibular fixed/detachable hybrid prosthesis; and 1 mandibular overdenture. The mean time from implant placement to second stage surgery was 6.2 +/- 2.0 months; from restoration and implant loading to the most recent follow-up evaluation was 20.9 +/- 6.8 months. Of the 219 implants placed, three posterior maxillary implants developed infections and were removed prior to second stage surgery. No implant failures occurred at second stage surgery or after implant loading. Using the Kaplan-Meier method, the cumulative implant survival rate was 100% for anterior implants and 98.4% for posterior implants at 28.5 +/- 5.7 months. The cumulative postloading implant survival rate was 100% for both anterior and posterior implants. The results of this study indicate that the Osseotite dental implant achieved a high rate of integration that remained stable during nearly 2 years of implant function. In addition, because no postloading implant failures have occurred, the Osseotite implant has provided a high level of prosthetic predictability.

Dental Implantation, Endosseous↗