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Isolation, Processing and Analysis of Murine Gingival Cells
Published on: July 2, 2013
Gingival tissue response to rotary curettage.
The Journal of Prosthetic Dentistry
|September 1, 1984
Summary
Rotary curettage and lateral displacement methods for gingival tissue retraction showed similar gingival crest recession. Rotary curettage proved efficient for fixed prostheses impressions, though it caused temporary epithelial disruption.
Area of Science:
- Dental Prosthodontics
- Periodontology
Background:
- Accurate dental impressions are crucial for fixed prostheses.
- Gingival retraction techniques aim to expose the preparation margin without causing damage.
Purpose of the Study:
- To compare the gingival response to rotary curettage versus lateral displacement for tissue retraction.
- To evaluate the efficacy of rotary curettage in managing the gingival sulcus for impression procedures.
Main Methods:
- A clinical study involving 10 patients requiring maxillary anterior fixed prostheses.
- Biometric measurements of gingival crest and clinical sulcus using a modified Boley gauge probe.
- Measurements taken before, and 14 and 90 days after the retraction procedure.
Main Results:
- Rotary curettage compared favorably to lateral displacement regarding gingival crest recession.
- Rotary curettage led to temporary apical disruption and repositioning of sulcular and attachment epithelium.
- No clinically significant sulcus depth changes were recorded; palatal tissues showed no significant changes with either method.
Conclusions:
- Rotary curettage is an efficient and predictable technique for gingival sulcus management in fixed prostheses impression-making.
- Thicker palatal tissues responded better to rotary curettage than thinner facial tissues.
- Further long-term clinical and histologic studies are recommended to fully assess rotary curettage efficacy.

