Twenty Five Years in Dentistry! Posted on January 24, 2017 (June 26, 2019) by vlhahosdev 2017 marks the 25th year for Dr. Vlahos in dentistry. As a token of much appreciation, he is offering all of his current patients a free at home teeth bleaching kit. Get a wonderful bright smile for the spring! Please call the office for further details 905-937-4673.