Graduated at Dental Dept. Medical Faculty at University of Bialystok. She was an assistant professor in The Conservative Dentistry & Periodontal Department in Bialystok till 2004.
From 2005 head of Periodontology Department at Medical University in Bialystok. Dr Pietruska has obtained a 1st degree with specialization in Conservative Dentistry, 2nd degree with specialization in Periodontology. In 1996 has obtained the PhD, in 2006 she obtained the Habilitation.
Attended to various courses and workshops in Switzerland, France, Italy and Germany.
The scientific output consists of 80 publications, presented lectures at national and international scientific meetings and published in the form of abstracts. She got 5 times the Scientific Prize by Rector of the University in Bialystok, awarded 3 times by the Polish Dental Association. Member of Polish Dental Association and the Secretary of the Board of Periodontology. Member of Polish Implantology Association OSIS-EDI. The co-owner of Private Dental Office specialized in Periodontology and Implant Dentistry, Bialystok, Poland (together with her husband).