The College of Dentistry at the University of Baghdad has organized a training course entitled: (Gingival crevicular fluid collection from chronic periodontitis patients using Periotron 8010) aimed to develop the ability of professors and graduate students to operate and use this device used for collecting samples of gingival crevicular fluid when conducting scientific research, then writing the results extracted from this process according to the latest developments in the practical and theoretical sides of this field.