1Schwarz F,Bieling K,Venghaus S,et al.Influence of fluorescence-controlled Er:YAG laser radiation,the VectorTM system and hand instruments on periodontally diseased root surface in vivo[J].J Clin Periodontol,2006,33(3):200-208.
2Braun A,Krause F,Frentzen M,et al.Efficiency of subgingival calculus removal weith the VectorTM-system compared to ultrasonic scaling and hand instrumentation in vivo[J].J Periodontal Research,2005,40(1):48-52.