The use of irrigants is an important part of endodontic treatment .The aim of this study was to evaluate the current trends and selections in irrigation among Arab dentist. A standardized questionnaire about irrigants used during root canal treatment distributed to Arab active dentist, the questionnaire comprised questions about irrigant selection, irrigant concentration, smear layer removal, and use of adjuncts to irrigation. This study took place in department of restorative dental Sciences, AlFarabi College for Dentistry and Nursing, Riyadh, Saudi Arabia between May and July 2017. In this study sodium hypochlorite was the most used irrigating solution among respondents (97.6%) followed by saline (54.2%) and chlorhexidine gluconate (43.6%). Only 28.4% of respondents used the highest concentration of sodium hypochlorite. Antibacterial capability was the main reason for irrigant selection (64.1%) followed by tissue dissolution (29.6%). It has been concluded in this study that sodium hypochlorite was the most used irrigating solution among Arab dentists and there was common use of saline as irrigant. The majority of Arab dentists routinely aim to remove the smear layer during irrigation of root canals and less than half of Arab dentists used adjuncts to activate the irrigation of root canal system.