期刊
JOURNAL OF CLINICAL PERIODONTOLOGY
卷 39, 期 12, 页码 1159-1165出版社
WILEY
DOI: 10.1111/jcpe.12007
关键词
laser; maintenance care recall programme; Nd:YAG; periodontitis; RCT; scaling and root planning; treatment; ultrasonic
资金
- Clinic for Periodontology, Utrecht, The Netherlands
Background Various laser systems are currently available for intra-oral use. Neodymium:YttriumAluminium Garnet lasers(Nd:YAG) have been approved by the US Food and Drug Administration for soft tissue treatment in the oral cavity. Objectives The aim of this study was to test whether the use of a water-cooled Nd:YAG laser during a maintenance care programme as an adjunct to supragingival and subgingival debridement (scaling and root planing, SRP) with hand and ultrasonic instruments results in clinical improvement compared with SRP alone. Material and Methods This study was an examiner-blind, randomized and controlled clinical trial using a split-mouth design. Thirty subjects were selected, originally diagnosed with moderate to severe generalized periodontitis, following a periodontal maintenance care programme (PMC). Immediately after SRP in two randomly assigned contra-lateral quadrants, all pockets >= 5 mm were additionally treated with a Nd:YAG laser (1064 nm, 4W, 250-mu sec pulse). Clinical assessments [probing pocket depth PPD, bleeding on pocket probing (BOPP)] were performed pre-treatment and at 6 months. Based on these assessments, the periodontal inflamed surface area (PISA) was calculated. Results At 6 months, the clinical parameters had significantly improved for both regimens. No statistically significant differences between treatment modalities were observed for PPD and BOPP scores at any time. PISA scores supported these findings. Conclusions In residual pockets >= 5 mm, treated in a PMC, the adjunctive use of an Nd:YAG laser does not provide a clinically significant additional advantage.
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