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At least 487 records · Page 27Linked to original sources
PubMed1982

Rational periodontal therapy by papillectomy.

Successful periodontal therapy provided by the clinician is largely dependent on the removal of supra- and subgingival calculus and on the careful preparation of root surfaces to remove trapped endotoxin. A suitable environment for the reattachment of epithelial cells and fibroblasts results. The papillectomy technique provides good visual and instrumental access to the interproximal tooth surfaces, and allows optimal preparation of cemental surfaces without the necessity of a full surgical procedure.

Dental Scaling↗
PubMed1995

Extrusion of root-filled incisors in beagles--a light microscope and scanning electron microscope investigation.

The response of the periodontal ligament to orthodontic extrusion of the incisor of a beagle was examined with light microscope and scanning electron microscope techniques. The ligament morphology was slightly altered by the procedure but was essentially normal. Teeth that were extruded and retained for 12 weeks exhibited partial relapse. Where a full thickness mucogingival flap was raised and immediately replaced in lieu of retention, continued extrusion was observed. Root resorption was observed at the interproximal region of the cervical third in three out of five specimens. The resorption had been repaired with cellular cementum.

Animals↗
PubMedDate not supplied

Natural desensitization of exposed tooth roots in dogs.

With scanning electron microscopy, electron microprobe elemental analysis, and an objective method for eliciting responses to electrical stimuli, exposed tooth root surfaces in dogs were found to become naturally desensitized with time, perhaps because of the formation of acquired pellicle.

Animals↗
PubMed2006

Analysis of proliferative activity in oral gingival epithelium in immunosuppressive medication induced gingival overgrowth.

BACKGROUND: Drug-induced gingival overgrowth is a frequent adverse effect associated principally with administration of the immunosuppressive drug cyclosporin A and also certain antiepileptic and antihypertensive drugs. It is characterized by a marked increase in the thickness of the epithelial layer and accumulation of excessive amounts of connective tissue. The mechanism by which the drugs cause gingival overgrowth is not yet understood. The purpose of this study was to compare proliferative activity of normal human gingiva and in cyclosporine A-induced gingival overgrowth. METHODS: Gingival samples were collected from 12 generally healthy individuals and 22 Cyclosporin A-medicated renal transplant recipients. Expression of proliferating cell nuclear antigen was evaluated in formalin-fixed, paraffin-embedded gingival samples using an immunoperoxidase technique and a monoclonal antibody for this antigen. RESULTS: There were differences between the Cyclosporin A group and control group in regard to proliferating cell nuclear antigen and epithelial thickness. In addition, the degree of stromal inflammation was higher in the Cyclosporin A group when compared with the control group. CONCLUSION: The results suggest that the increased epithelial thickness observed in Cyclosporin A-induced gingival overgrowth is associated with increased proliferative activity in keratinocytes.

Adult↗
PubMed1992

Refinement of the transpalatine exposure of the nasopharynx.

The intrasulcular incision provides excellent transpalatine exposure of the nasopharynx with a viable palatal flap. There is less chance for naso-oral fistula formation since the resulting suture line is always over underlying bone. This safely allows extensive removal of the hard palate. Additionally, the continuous sling suture allows excellent flap reapproximation using the teeth as anchors for the replaced palatal flap. Patients tolerate oral feedings within 24 hours of their operations and require minimal postoperative analgesics. The extended intrasulcular incision offers many advantages over other methods for transpalatine exposures to the nasopharynx.

Gingivectomy↗