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- Title
Influence of fluorescence-controlled Er:YAG laser radiation, the Vector™ system and hand instruments on periodontally diseased root surfaces in vivo.
- Authors
Schwarz, F.; Bieling, K.; Venghaus, S.; Sculean, A.; Jepsen, S.; Becker, J.
- Abstract
Objectives: The aim of the present study was to evaluate the effects of fluorescence-controlled Er:YAG laser radiation, an ultrasonic device or hand instruments on periodontally diseased root surfaces in vivo. Material and Methods: Seventy-two single-rooted teeth ( n=12 patients) were randomly treated in vivo by a single course of subgingival instrumentation using (1–3) an Er:YAG laser (ERL1: 100 mJ; ERL2: 120 mJ; ERL3: 140 mJ; 10 Hz), or (4) the Vector™ ultrasonic system (VUS) or (5) hand instruments (SRP). Untreated teeth served as control (UC). Areas of residual subgingival calculus (RSC) and depth of root surface alterations were assessed histo-/morphometrically. Results: Highest values of RSC areas (%) were observed in the SRP group (12.5±6.9). ERL(1–3) (7.8±5.8, 8.6±4.5, 6.2±3.9, respectively) revealed significantly lower RSC areas than SRP. VUS (2.4±1.8) exhibited significantly lower RSC areas than SRP and ERL(1, 2). Specimens treated with SRP revealed conspicuous root surface damage, while specimens treated with ERL(1–3) and VUS exhibited a homogeneous and smooth appearance. Conclusion: Within the limits of the present study, it may be concluded that ERL and VUS enabled (i) a more effective removal of subgingival calculus and (ii) a predictable root surface preservation in comparison with SRP.
- Subjects
EFFECT of radiation on lasers; LASER beams; TOOTH root planing; ULTRASONIC therapy; PERIODONTICS; DENTISTRY
- Publication
Journal of Clinical Periodontology, 2006, Vol 33, Issue 3, p200
- ISSN
0303-6979
- Publication type
Article
- DOI
10.1111/j.1600-051X.2005.00889.x