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At least 685 records · Page 38Linked to original sources
PubMed1992

[Mandibular lesions in multiple myeloma].

A review was made of 237 cases of multiple myeloma seen at the Institute of Radiology and Hematology of the Ferrara University from 1984 through 1990. The results showed skeletal involvement of the mandible to be present in 25 patients (10.54%). The diagnosis of multiple myeloma was based on the following criteria: 1) increased number of abnormal, atypical or immature plasma cells in the bone marrow; 2) the presence of a monoclonal protein in the serum or urine; 3) bone lesions consistent with those of myeloma. Symptoms include pain and swelling of the oral cavity, tooth mobility and loss, numbness along the inferior dental nerve, and paresthesia of the lower lip. The typical radiographic appearance is a well-defined "punched-out" lytic defect, solitary or multiple; sometimes, the defect enlarges and appears "bubbly" or septated. Permeative lytic areas, with blurred outlines, are a rare pattern, which is radiologically indistinguishable from skeletal metastases. The involvement of the oral cavity and jaw in multiple myeloma has been often reported in literature: nevertheless, if radiographs of the jaws had been systematically taken in all the cases, its incidence would probably have been much higher than previously suspected.

Adult↗
PubMed2005

Root fracture. Report of case supporting decreased splint times.

This is a case presentation of a root fracture that was treated and followed intermittently for 23 years. The treatment outcome supports the newly evolving protocol that root fractures are most successfully treated using a flexible splint over a relatively short duration.

Child↗
PubMed2005

Retention of maxillary molars with Class III furcation involvement utilizing glass-ionomer: two case reports.

Advanced furcation invasion has long been a treatment dilemma for the clinician. The present two case reports used a glass ionomer restorative material as a barrier in the treatment of maxillary Class III furcation defects. One year follow-up results showed a reduction in tooth mobility and probing depths and no bleeding on probing with the use of the glass ionomer. These case reports offer another option in the treatment of a seemingly hopeless periodontally involved maxillary molar.

Bone Substitutes↗
PubMed1992

Intentional replantation of a removable partial denture abutment tooth: a case report.

Intentional tooth replantation is a last-resort procedure, recommended only when all other techniques, short of tooth extraction, have been exhausted or are impractical. Although most endodontic textbooks describe the procedure, and many reports of intentional replantation have appeared in the dental literature, none have reported use of the technique to retain a removable partial denture abutment tooth. This article presents such a case and the rationale for the decision to intentionally replant. Eighteen-month follow-up clinical and radiographic results are presented.

Bicuspid↗
PubMed2006

A novel approach to periodontal tissue regeneration with mesenchymal stem cells and platelet-rich plasma using tissue engineering technology: A clinical case report.

Tissue engineering represents one of the most exciting advances in regenerative medicine. However, little has been reported on the application of tissue engineering for regeneration of periodontal tissues. Therefore, the aim of this study was to show how a technique based on tissue engineering principles can be applied to periodontology. Mesenchymal stem cells (MSCs) were isolated from a patient's iliac crest marrow aspirates. Platelet-rich plasma (PRP) was isolated from peripheral blood. Full-thickness periodontal flaps were elevated and the root surfaces were scaled and planed. A MSCs-PRP gel was prepared and applied to the root surface and adjacent defect space. The primary outcome measures were changes in pocket depth, clinical attachment level, bleeding on probing, and defect bone fill. Re-examination demonstrated that the treatment, including the application of MSCs-PRP gel at periodontal sites with angular defects, resulted in a 4-mm reduction in probing depths and a 4-mm clinical attachment gain, while bleeding and tooth mobility disappeared. Radiographic assessments showed that the bone defect had been reduced in depth. Interdental papillae supported by this tissue engineering technology regenerated. The use of MSCs in PRP gel might be helpful for periodontal tissue regeneration, treatment of esthetically sensitive sites, and reduction of patient morbidity.

Alveolar Bone Loss↗
PubMed1991

[Reexamination of cantilever bridges-a cross-section study].

In the present study reexaminations of 28 cantilever bridges and 26 conventional bridges were carried out. The aim was to evaluate the periodontal conditions and to give recommendations for use. Parameters were PI, GI, tooth mobility, pocket depth, gingival recession and BOP. Deducing from the results, which were statistical analysed, we recommend the cantilever bridges by right using. Special attention should be directed to antagonistical dentition.

Analysis of Variance↗
PubMedDate not supplied

Review of the Swinglock removable partial denture.

The author's experience with the swinglock removable partial denture concept is described. This infrequently utilized technique allows the use of undercuts that are unapproachable with other partial denture designs. Indications include missing or weakened key abutment teeth, tooth mobility, aesthetics, economic considerations, and the presence of certain ablative defects following oncologic surgery. The clinician must consider lip position, facial sulcus depth, position of frena, and the periodontal health of potential abutment teeth when considering a swinglock removable partial denture. Specific instructions for blockout, relief, and position of hinge and clasp assemblies should be part of the written laboratory instructions.

Denture, Partial, Removable↗
PubMed1990

Applicability of osseointegrated oral implants in the rehabilitation of partial edentulism: a prospective multicenter study on 558 fixtures.

Nine clinical centers using the Brånemark System participated in a prospective study of 159 partially edentulous patients between 18 and 70 years of age. Clinical parameters evaluated were plaque index, gingivitis, pocket depth, bleeding index, tooth mobility, and stomatognathic function. Initially, 558 fixtures were placed and 521 remained in the study following prosthesis placement (199 prostheses in 154 patients). Fixtures were lost or unaccounted for because of nonintegration prior to prosthesis fabrication (19), patient withdrawal (11), prosthodontic reasons (6), and failure during prosthetic procedures (1). Failure was primarily attributable to unfavorable bone quality, sex (more in males), and smaller fixture size. Complications and failure related to other patient characteristics are presented. After 1 year of a 5-year study, preliminary results suggest that a success rate equal to or better than that obtained with edentulous patients may be expected.

Adult↗
PubMed1990

[Fixed restorations of a dentition with reduced periodontal support in partially edentulous patients].

Placing restorations in patients who have a limited number of teeth and reduced periodontal support is no longer controversial, given careful selection of patients, preprosthetic periodontal treatment, and a thorough maintenance program. In this paper, attention is drawn to general prosthetic planning, including the use of long-span bridges. Because of increased tooth mobility, cross-arch stabilization of the bridges with interlocks or with postsolder connections is advocated. The framework should be rigid enough to avoid deflection of the bridges. Preparation of the vital and nonvital abutment teeth needs much attention. To avoid using a removable prosthesis, a cantilever bridge can be used, but it makes the construction more prone to fracture. A number of periodontal-prosthetic patients demonstrate a "posterior collapsed bite." Rehabilitation requires the restoration at a "new" vertical dimension of occlusion. This can be done, without functional hazards, in a one-step clinical procedure. A long functional adaptation period is unnecessary. The treatment outcome of furcations is not always predictable. Therefore, hemisection or amputation are often the treatments of choice. On these hemisected roots, bridges can be made and successfully maintained. Finally, it should be stressed that not all teeth have to be replaced: a premolar, shortened-arch occlusion is often sufficient for adequate function.

Denture Design↗
PubMed1990

[Plaque reduction in patients with removable partial dentures and abutment teeth with greatly reduced periodontium].

The presented investigation was carried out on 19 individuals who were referred for prothetic and periodontal treatment. All patients suffered from advanced periodontal disease and had no more than 3 teeth left in the jaw going to be treated. Following a baseline examination comprising assessment of oral hygiene and tooth mobility the patients were subjected to prothetic and periodontal treatment. Removable partial dentures were constructed using the conical crown system. The patients were distributed into 2 different maintenance groups. 10 patients (group 1) were instructed to use the Bass Technique for cleaning the remaining abutment teeth. Group 2 applied proximal brushes for cleaning the interdental spaces prior to removing the partial dentures for cleaning as prescribed for group 1. Three months after treatment a reexamination was performed. In both groups a significant reduction of plaque was observed. The plaque scores of the second group were below those of the first group but the difference was statistically not significant.

Aged↗
PubMed1990

[Periodontal status of abutments of resin-bonded bridges].

In a combined retrospective longitudinal study an evaluation of different dental and periodontal indexes (tooth mobility, probing pocket depth, plaque index, sulcus bleeding index, probing attachment level) in 62 patients with 77 resin-bonded bridges was performed. The direct comparison between test (abutment) and control (non-abutment) teeth revealed no differences at the day of evaluation in comparison to the date of incorporation. The longitudinal evaluation resulted in more favourable values at the day of evaluation in comparison to the date of incorporation for both the test and control teeth. Despite the altered contour of the abutment teeth, resin-bonded bridges seem not to change the periodontal status in a long-term evaluation, if good patient cooperation and regular care by a dental hygienist are guaranteed.

Dental Abutments↗
PubMed1990

Malocclusion.

Less than ideal interarch occlusal relationships rarely if ever cause significant untoward effects on the masticatory system. Parafunctional habits (such as bruxism and clenching) are responsible for excessive occlusal wear, fractured teeth, tooth mobility, the periodontal lesion of trauma from occlusion, fractured restorations, myofascial pain involving the muscles of mastication, and painful TMJs. Correction of the malocclusion with orthodontic procedures, restorative procedures, or occlusal adjustment by selective grinding will not control the parafunctional habits. Myofascial pain originating from the muscles of mastication is in an overwhelming number of cases a self-limiting problem. Therapy for this problem should not bring about any permanent physical changes to the patient's interarch occlusal relationships.

Bruxism↗
PubMedDate not supplied

Localized prepubertal periodontitis: literature review and report of case.

This case describes a young, healthy, white female who demonstrated anterior alveolar bone loss along with premature loss of her primary incisors. The alveolar bone loss remains unexplained. The root surfaces of most of the primary anterior teeth exhibited one or more eroded areas devoid of cementum with some evidence in two teeth of cellular resorptive activity. These findings suggest that premature root resorption was occurring concurrently with unexplained extensive alveolar bone loss. The child will be examined periodically to determine whether this process of bone loss with subsequent tooth loss will involve additional primary or permanent teeth.

Aggressive Periodontitis↗
PubMed1977

[Dentomaxillary destructions in oxalosis].

Oxalosis, a rare metabolic disorder, leads to excessive formation of oxalate and deposition of calcium oxalate crystals in the tissue. This leads to renal insufficiency with resulting secondary hyperparathyroidism and myelofibrosis. In a 27 year old female patient, extensive destruction of the maxilla, mandible and teeth was observed which has not yet been described and which led to the loss of all teeth.

Adult↗