Ultrasonic periodontal debridement theory and technique is the first textbook to focus exclusively on this fundamentally important component of periodontal therapy george donley and preshaw provide a comprehensive resource for dental students dental hygiene and therapy students and periodontal residents as well as practicing dental hygienists and dentists who are looking to increase their familiarity and skills with ultrasonic instrumentation. Ultrasonic periodontal debridement theory and technique dagmar else slot e mail address dslotactanl department of periodontology academic centre for dentistry amsterdam acta university of amsterdam and vu university amsterdam amsterdam the netherlands search for more papers by this author fridus a van der weijden department of periodontology academic centre for dentistry . Ultrasonic periodontal debridement theory and technique is the first textbook to focus exclusively on this fundamentally important component of periodontal therapy george donley and preshaw provide a comprehensive resource for dental students dental hygiene and therapy students and periodontal residents as well as practicing dental hygienists and dentists who are looking to increase . Ultrasonic periodontal debridement theory and technique is the first textbook to focus exclusively on this fundamentally important component of periodontal therapy george donley and preshaw provide a comprehensive resource for dental students dental hygiene and therapy students and periodontal residents as well as practicing dental hygienists and dentists who are looking to increase their familiarity and skills with ultrasonic instrumentation