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[Ultrasonic root planing. An alternative method versus hand instruments? An in vitro comparison and SEM study]
D C van Gogswaardt1, V G Behrens
1Klinik für Zahnerhaltung, Parodontologie und Präventive Zahnheilkunde, Medizinische Fakultät, Aachen.
Zahn-, Mund-, Und Kieferheilkunde Mit Zentralblatt
|January 1, 1990
Summary
Ultrasonic root planing using Piezon Master 400 and hand instrumentation with Hu Friedy curettes resulted in similar root surface changes. Both methods created a scalloped root surface, but ultrasonic methods produced finer tears.
Area of Science:
- Dentistry
- Periodontology
- Biomaterials Science
Background:
- Root planing is a critical procedure in periodontal therapy to remove calculus and smooth root surfaces.
- Different instrumentation techniques, including ultrasonic and hand scaling, are employed for root planing.
- Assessing the surface characteristics of the root cement after instrumentation is crucial for evaluating treatment efficacy and potential root damage.
Purpose of the Study:
- To compare the surface characteristics of root cement after ultrasonic root planing with the Piezon Master 400 and hand instrumentation using Hu Friedy curettes.
- To evaluate the formation of grooves, scratch marks, and the overall surface texture produced by each method.
Main Methods:
- The study involved comparing two root planing methods: ultrasonic instrumentation with the Piezon Master 400 (using four different attachments) and hand instrumentation with Hu Friedy curettes.
- Surface analysis focused on the formation of grooves, scratch marks, and the resulting root surface topography.
Main Results:
- No significant difference was observed in the formation of grooves and scratch marks between the Piezon Master 400 and Hu Friedy curettes.
- Both methods resulted in a scalloped surface of the root cement.
- Ultrasonic root planing produced a more discrete scalloped surface with very small tears and a hammered appearance.
- Hand instrumentation resulted in wider tears on the root surface structure.
Conclusions:
- Both ultrasonic and hand root planing techniques are effective in creating a scalloped root surface.
- Ultrasonic instrumentation, specifically with the Piezon Master 400, may result in a finer surface texture with less pronounced root surface damage compared to hand instrumentation.