20
Participants
Start Date
June 1, 2015
Primary Completion Date
June 30, 2016
Study Completion Date
December 1, 2018
Gracey curette.
Root planed was performed with curettes (Gracey SAS, Hu-Friedy, Chicago, IL, USA).
Ultrasonic scaler.
Debridement was performed with an ultrasonic scaler (Piezon Master 400 Perio Slim Tip®; Electro Medical System, Nyon, Switzerland).
Erythritol air-polishing.
Treatment was performed with a low abrasive erythritol powder (Air-flow powder plus®, EMS, Nyon, Switzerland ) applied through a Perio-Flow hand piece connected to an airflow unit (Air-Flow Master®, EMS, Nyon, Switzerland).
University of Bergen
OTHER