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At least 685 records · Page 38Linked to original sources
PubMed1991

Freeze-dried bone allografts in periodontal reconstructive surgery.

The objectives of a bone graft are reversal of the disease process, probing depth reduction, clinical attachment gain, clinical repair of lost bone, and histologic reconstruction of the attachment apparatus consisting of new bone, cementum, and periodontal ligament in an area previously exposed to bacterial plaque. The article discusses the current clinical and histologic state-of-the-art with regard to undermineralized freeze-dried bone allograft and demineralized freeze-dried bone allograft. Specific conclusions about the use of freeze-dried bone allograft are listed.

Alveoloplasty↗
PubMed1991

Alloplastic materials in reconstructive periodontal surgery.

Alloplastic implants, especially those made with calcium phosphate ceramics, are being increasingly used in reconstructive periodontal surgery. Despite attractive generic features such as good biocompatibility, these ceramic implants differ significantly from each other in terms of biologic profile. Variations in source material used, manufacturing process, and physical and chemical properties determine the clinical utility of these implants. Porous hydroxyapatites currently are favored, especially those with natural morphologic characteristics. These ceramic implants appear to serve as biocompatible fillers that accelerate bone healing when used for the right clinical indications. It is anticipated that alloplastic implants eventually will form a part of the periodontist's armamentarium.

Alveoloplasty↗
PubMed1991

Current status of periodontal therapy for furcation involvements.

The treatment of furcation involvements is difficult because of the anatomic problems that interfere with the clinician's accessibility in treating the area and the patient's ability in maintaining adequate plaque control afterwards. The goal of traditional methods of treatment is to arrest the progression of bone loss; the rate of success with these methods has been poor, except for Grade I involvements. Advances in the last decade have resulted in the development of treatment techniques that attempt to reconstruct the lost periodontal structures. These techniques have greatly improved the prognosis of Grade II furcation involvement. The recommended technique combines the principles of guided tissue regeneration using polytetrafluoroethylene membranes with grafting with porous hydroxyapatite. The use of decalcified freeze-dried bone instead of hydroxyapatite also may be a successful method. Grade III and IV furcation involvements still have a poor long-term prognosis because predictable reconstructive techniques for their treatment have not been demonstrated. When possible, a root resection approach may be advisable.

Alveoloplasty↗
PubMed1990

Immediate fixture placement: a treatment planning alternative.

The rationale and possible clinical applications of an immediate fixture placement technique are described. Although this concept may be a somewhat radical departure from the conventional mandibular protocol, there are significant potential patient benefits with no apparent change in anticipated fixture survival rates. A similar approach in the maxilla may be less practical with most presenting dentitions, but there is evidence that further research may make immediate fixture placement equally appropriate in this arch.

Alveolar Bone Loss↗
PubMed1990

[Late results of treatment of deep periodontopathies with plastic operations of the gingiva and alveolar process].

The effect was assessed of plastic operations on the gingiva and alveolar process by a method similar to the Cieszyński-Widman-Neumann technique on the condition of the parodontium in 133 patients aged from 13 to 58 years. For evaluation of the condition of parodontium Kötzschke's index and Engelberger's et al. radiological index were used and the oral vestibule was measured. Control examinations were done 2-15 years after the treatment. After surgical treatment reduction of the pathological gingival pouches was observed in 88.7% of the patients, while gingivitis was alleviated in 85.1% of cases. Kötzschke's periodontopathy index was improved in 86.5% of cases, and dental mobility decreased in 64.6% of cases. The radiological index demonstrated regeneration of bone in 60.1% of the surgically treated cases in the range from 1.0 to 3.5%, and in 4.5% of cases bone atrophy was stopped. However, denudation of dental roots increased in 66.1% of cases. After surgical treatment narrowing of the width of the alveolar gingiva was by 0.4 mm in 77.5%, the depth of the vestibule was reduced by 0.3 mm in 57.5% of cases, and the "pull syndrome" manifested itself in only 9.8% of cases.

Adolescent↗
PubMed1990

Evaluation of gingival suppuration and supragingival plaque following 4 modalities of periodontal therapy.

This study evaluated the effect of coronal scaling (CS), root planing (RP), modified Widman surgery (MW) and flap with osseous resectional surgery (FO) upon the presence of gingival suppuration and supragingival plaque. 75 patients completed split-mouth therapy and 2 years of maintenance care. Data were collected prior to the initiation of therapy, following initial therapy, following surgical therapy and yearly during 2 years of maintenance care. All 4 types of therapy reduced the prevalence of suppuration with RP, MW and FO producing a greater reduction than CS in sites greater than or equal to 5 mm. Sites were grouped according to presence of suppuration at 2 consecutive examinations. The mean changes in probing depth and probing attachment level for each time period were compared. Sites that began to suppurate between 2 exams or were suppurating at both exams had a less favorable response in mean probing depth reduction and mean probing attachment gain when compared to sites that stopped suppurating between exams or did not suppurate at either exam. The prevalence of supragingival plaque decreased during active therapy and 2 years of maintenance. There was no difference in the prevalence between the therapy groups except for FO-treated sites showing more plaque accumulation after surgical therapy. The presence or absence of supragingival plaque at specific sites was dynamic, frequently converting to a new status between 2 examinations.

Alveoloplasty↗
PubMed1989

The biologic width--periodontal-restorative relationship.

An important relationship should exist between the periodontist and restorative dentist. Periodontics and restorative dentistry should not be divisible and all forms of restorations, from a simple filling to a complex precision-retained bridge, should be performed with the health and biology of the periodontium in mind. A very crucial concept which should be borne in the mind of every restorative dentist is the concept of biologic width.

Alveoloplasty↗