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At least 1,441 records · Page 80Linked to original sources
PubMed1975

Primate model for testing periodontal treatment procedures: I. Histologic investigation of localized periodontal pockets produced by orthodontic elastics.

Experimental periodontal lesions have been produced in Rhesus monkeys using orthodontic elastics. These lesions are characterized by an irreversible apical positioning of the junctional epithelium and both horizontal and angular bone loss. It was concluded that this lesion is suitable for testing the effect of periodontal treatment.

Alveolar Process↗
PubMed1975

A histologic examination of a free osseous autograft. Case report.

Twenty-eight months following free osseous autograft therapy, a block section was taken for histologic examination. (2) Microscopically, the periodontal structures were reconstructed with new alveolar bone, periodontal ligament, and cementum. (3) A 'separation artifact' was present between new and old cementum. This defect is probably an artifact of histologic processing.

Adult↗
PubMed1976

Subgingival plaque and loss of attachment in periodontosis as observed in autopsy material.

Histologic sections from six autopsy cases which from a clinical point of view fitted into the criteria of periodontosis were examined with the aim at evaluating the role of subgingival plaque in the etiology of the loss of attachment in this condition. The following pertinent observations were made: 1. The subgingival plaque in most instances was not calcified to form calculus. 2. The thickness of the subgingival plaque varied between 20 and 200 mu (0.02-0.2 mm). 3. Where loss of attachment had taken place, the distance from the most apical part of the subgingival plaque to the most apical point of the epithelial cuff varied between 0.2 and 1.1 mm; this distance was never found to be more than 1.1 mm. This would indicate a cause and effect relationship, the plaque being the obvious cause. 4. There was very severe chronic inflammation in the soft tissue bordering upon the plaque with resulting collagenolysis. 5. The cellular infiltration and the collagenolysis may be limited to a zone of 1 to 2 mm in the immediate vicinity of the plaque. Between the inflamed area and the surface of the gingivae buccally and lingually there may be a fairly wide zone of healthy tissue which hides the symptoms of inflammation from being observed on a clinical examination. In turn this could leave the clinician with the impression that attachment has been lost and bone resorbed because of degenerative changes. The following conclusions can be made: In these six cases of "alveolar bone loss vastly out of proportion to what one would expect from the local etiologic factors in the patient at that age" there was no morphologic evidence that degenerative changes were responsible for the loss of attachment. On the contrary inflammatory changes induced by the subgingval plaque dominated the histopathologic picture.

Adult↗
PubMed1977

Retreatment in periodontal practice.

Periodontal disease has a greater or lesser tendency to recur. The therapist controls rather than cures the condition. Careful maintenance is as important as skillful original treatment if periodontal health is to be maintained. At the time of the original treatment, every patient should be informed that retreatment of some type is occasionally necessary. Patients with recurrence of disease should be treated as conservatively as possible and every effort should be made to find the cause of failure. Surgical retreatment should be done only after a reasonable effort has been made to improve the situation by other means. The deepened crevice that does not bleed when probed and is not accompanied by bone loss does not provide justification for surgical retreatment. This report has reviewed some of the reasons for treatment failures and has presented a philosophy for their management.

Alveolar Process↗
PubMed1978

A long-term survey of tooth loss in 600 treated periodontal patients.

1. Six hundred patients in a private periodontal practice were reexamined an average of 22 years after their active treatment and the patterns of tooth loss were observed. 2. During the post-treatment period, 300 patients had lost no teeth from periodontal disease, 199 had lost one to three teeth, 76 had lost 4 to 9 teeth and 25 had lost 10 to 23 teeth. 3. Of 2,139 teeth that originally had been considered of questionable prognosis, 666 were lost. Of these, 394 were lost by one sixth of the patients and only 272 by the other five-sixths. 4. Of 1,464 teeth which originally had furcation involvements, 460 were lost, 240 of them by one-sixth of the patients who deteriorated most. 5. The mortality of teeth which were treated with periodontal surgery was compared with that of teeth which did not have surgery. Tooth retention seemed more closely related to the case type than the surgery performed. 6. In general, periodontal disease is bilaterally symmetrical and there is a predictable order of likelihood of tooth loss according to position in the arch.

Adult↗
PubMed1978

Spontaneous arrest of advanced periodontal disease without treatment: an interesting case report.

A 48-year-old female patient presented with advanced periodontitis but was unable to proceed with periodontal therapy. After ten years of absence, her periodontal status appeared unchanged, if not slightly improved, despite the total lack of any dental or periodontal care. Studies on the biologic behavior of periodontitis are severely lacking and would appear to be a logical area for future epidemiologic surveys.

Alveolar Process↗
PubMed1979

Fiber glass splints.

Temporary splints to immobilize periodontally diseased teeth were made by fiber glass bonded and attached to the teeth with acid-etch technique with BIS-GMA resin. Twenty-one splints were made. Observation time ranged from 4 to 14 months. During the observation only one splint fractured and was repaired while the others functioned without failure.

Acid Etching, Dental↗
PubMed1980

A new method for stabilization of periodontally involved teeth.

An approach is presented for the construction of an extracoronal temporary splint that meets the demands of stabilization in the presence of a compromised attachment apparatus. It is completely reversible and esthetically acceptable. It also combines the versatility of two often used materials--orthodontic grid material (for bracket placement) and self-polymerizing resins and composites, giving the combined effect of strength, stability and esthetics.

Acid Etching, Dental↗
PubMed1981

Significance of occlusion in the etiology and treatment of early, moderate, and advanced periodontitis.

Elimination of lesions diagnostic of trauma from occlusion is an essential part of complete periodontal therapy and restoration of health in the masticatory system for such patients. This can be achieved by orthodontic treatment, temporary splinting, bite-planes, occlusal adjustment and permanent splinting of teeth. Occlusal therapy may be required during periodontal treatment for trauma from occlusion and to enhance occlusal stability at any stage of periodontitis, but is most often needed in advanced periodontitis. Splinting of hypermobility of self-limiting trauma from occlusion is not indicated. Splinting may be required in addition to occlusal adjustment in moderate to severe periodontitis when trauma from occlusion is progressive.

Animals↗
PubMed1985

The long-term effectiveness of periodontal therapy in a clinical practice.

A retrospective study was conducted of 620 patients in a periodontal practice over the years 1960 to 1982. Various periodontal therapies were assessed by using careful office protocols, meticulous record-keeping and well-defined outcome criteria. Four treatment outcome categories were used: two representing satisfactory outcomes (referred to as "STABLE"), and two unsatisfactory outcomes ("UNSTABLE"). The percentages of patients in the STABLE categories following different therapies were: (1) nonsurgical treatment, 63.6%; (2) closed curettage, 73.1%; (3) open curettage, 95.0%; (4) modified Widman flap, 91.6%; (5) full flap and osseous surgery, 71.1%. The major conclusions were that the modified Widman flap and open curettage were more effective than flap and osseous surgery, and much more effective than closed curettage when it was employed as an alternative treatment (54.8% STABLE) to the osseous surgery (71.1% STABLE). Thus, moderate surgical therapies appear to be at least as effective as ostectomy procedures in the treatment of periodontal disease, while nonsurgical and closed curettage therapies appear to be less effective.

Adult↗
PubMed1989

Unusual periodontal findings in an AIDS patient with Burkitt's lymphoma. A case report.

This report deals with a case of AIDS-related Burkitt's lymphoma in which some of the earliest findings were dental and periodontal in nature. The patient presented initially with painless and extremely loose teeth accompanied by progressive paresthesia of the lower jaw. Unique radiographic findings included extensive periodontal ligament space widening and bulbous, granuloma-like lesions about the apices of the teeth. These findings were associated with progressive tumor infiltration of the mandible and do not appear to be related to other reports of aggressive periodontitis associated with impaired immunologic functions in AIDS patients.

Acquired Immunodeficiency Syndrome↗
PubMed1990

Periodontal conditions following treatment with distally extending cantilever bridges or removable partial dentures in elderly patients. A 5-year study.

The aim of the present study was to evaluate the periodontal conditions following treatment with distally extending cantilever bridges or removable partial dentures (RPDs) in elderly patients. All participants had a complete denture in the maxilla and moderate-to-advanced bone loss around the teeth present in the mandible. After undergoing periodontal treatment, 27 patients were treated with distally extending cantilever bridges and 25 patients with a RPD. During the first 2 years following prosthetic treatment, the patients were recalled twice a year and during the last 3 years once a year for oral prophylaxis and assessment of the periodontal status. The patients treated with a RPD showed higher mean Plaque and Gingival Indexes than the patients treated with cantilever bridges. No change in probing pocket depths was observed in either group, and only a small decrease in radiographic alveolar bone height was revealed. In conclusion, only minor changes in the periodontal conditions were recorded during the 5 years of observation after treatment with cantilever bridges or RPDs.

Aged↗