Your trusted Montreal dentist
A family dental clinic in Montreal focused on comfort,
clear communication, and care that puts you at ease.
Welcome to Avenue Dentaire
Avenue Dentaire is where comfort and precision come together. We are passionate about dentistry and believe great care is built on calm communication, meticulous work, and attention to detail — from your first visit to the final result. Our goal is simple: to create a welcoming space where patients feel relaxed, heard, and confident in their care.
Previously the separate practices of Dr. Lee and Dr. Mendonza, Avenue Dentaire was formed when Dr. Mendonza retired in the fall of 2023 and Dr. Heckler joined Dr. Lee and the team. While the practice has evolved, the legacy of excellence and commitment to patient comfort remain at the heart of everything we do. Now working as one unified team, we are proud to offer a wide range of modern, up-to-date treatment options and love building lasting relationships with our patients as we continue to grow.
Dr. Diana Heckler
Dentist and owner
Dr. Diana Heckler completed both her undergraduate studies and dental degree at McGill University before pursuing a one-year residency at the University of Rochester in New York.
She is passionate about dentistry and values ongoing education to provide the best care possible. Known for her meticulous approach and patient-centered care, Dr. Heckler takes the time to thoroughly explain and discuss treatment options, ensuring each patient feels informed, comfortable, and confident in their care.
She deeply values a collaborative, team-based approach and recognizes the vital contribution of each member of the dental team in delivering exceptional patient care.
Dr. Jane Lee
Dentist
Dr. Jane Lee is a highly experienced dentist who has cared for multiple generations of families. She is recognized for delivering exceptional clinical care with a compassionate, patient-centered approach.
Dr. Lee is dedicated to fostering long-term, trusting relationships with patients of all ages, combining scientific expertise with an artistic eye, and a strong commitment to patient education and lifelong oral health.
Cathy Macdonald
Office Administrator
Cathy has been the welcoming face of our office for over 30 years, greeting patients with warmth and familiarity from the moment they walk in.
She has a special knack for finding time for emergency visits and keeping everything running smoothly behind the scenes. No matter how busy the day gets, Cathy’s calm, caring presence ensures every patient feels looked after.
Cynthia Kerr
Registered Dental Hygienist
Cynthia has brought thorough and compassionate care to our clinic for the past 10 years. She is known for her gentle approach and her talent for helping patients feel relaxed and confident during their visits.
She is committed to educating patients in order to help them take charge of their oral health. Her genuine warmth & uplifting energy leave a lasting impression on everyone she meets.
Megan Yorke
Registered Dental Hygienist
Megan’s interest in dentistry began in 2014 while assisting Dre. Jane Lee, an experience that inspired her to further her career in the field. She later completed her Dental Hygiene studies at John Abbott College, graduating in June 2025.
Renowned for her warm and friendly nature, gentle touch, attention to detail and professionalism, Megan is committed to creating a comfortable and reassuring experience for every patient, where they feel expertly cared for.
Anna Melillo
Dental Assistant
Anna has over 35 years of experience as a dental assistant at our clinic and takes great pride in the meaningful relationships she has built with her patients over the years. She has a particular sensitivity to those who feel anxious about dental visits and is dedicated to creating a calm, reassuring environment where patients feel comfortable and well cared for.
Fluent in English, French, and Italian, with a working knowledge of Greek, Anna is able to communicate effortlessly and foster a sense of comfort and trust with her patients from the outset.
