Bolton Family Dental Centre

Dr. Rosanna Porretta, DMD - Dentist


Dr. Porretta was born in Toronto and raised in Woodbridge, Ontario. She has long history in the dental field. She has worked as an Office Manager, and as a clinical Dental Assistant. In 1993, she graduated as a Dental Hygienist from Erie Community College in Buffalo, NY. She graduated from Boston University, Goldman School of Dentistry in 1999, and was the recipient of the William Cummings Award.

In 2000, Dr. Porretta established Bolton Family Dental Centre. Her straightforward approach and friendly, caring personality has served to grow

the practice ever since.

Dr. Porretta is very active in the pursuit of continuing education. She travels throughout North America improving her knowledge and expanding her skills. In addition to General Family Dentistry, Dr Porretta has incorporated Cosmetic Dentistry and General Practice Orthodontics into her practice.

Dr. Porretta remains committed to providing modern dental care in a relaxing, warm setting.

Dr. Nilay Cakmakci, DDS - Dentist

Dr. Cakmakci joined the Bolton Family Dental Centre team in February 2017 after successfully completing her National Dental Examining Board of Canada (NDEB) Equivalency Process on her first attempt, allowing her to bring her experience to Canadian practices.

Dr. Cakmakci and has been practicing dentistry for more than 22 years in Canada and abroad after graduating with Honours from Marmara University, Dentistry Faculty of Istanbul, Turkey.

She is a dedicated practitioner who is proficient in restorative techniques, prosthodontics and loves working with children. Dr. Cakmakci values open communication with her patients during the treatments. She encourages them to ask questions as she truly believes that education is at the root of preventive dental care. She guides and informs patients at every step, providing a sincere and trustful environment

With a passion for helping others, Dr. Cakmakci has participated in multiple volunteer dental missionary trips around the world. Most recently she participated in a trip to Guatemala, during which she treated                                                                   patients with low or no income. She shares what an amazing experience it is to help so many people                                                                     receive the most basic dental care… something we often take for granted here in Canada.

Dr. David Leung - Periodontist

Dr. Leung was raised in Toronto where he attended Upper Canada College for 11 years. Afterwards, he attended New York University, where he received a degree in Biochemistry. He next moved to Philadelphia where he attended the University of Philadelphia School of Dental Medicine receiving his Doctorate in Periodontic training.

Dr. Leung is a tremendous asset to our team, helping patients with complex gum and jawbone issues right here in our office. Dr. Leung makes complicated dental issues easy to understand.

Dr. Leung enjoys time with his wife and 2 boys.


Dr. Bart Konarski - Orthodontist

Dr. Bart Konarski’s philosophy of practice is to provide orthodontic care at the highest level in a fun, caring, and patient-centered environment. He loves working with patients, and getting to know them and their families while providing orthodontic treatment that puts the patient first.

Dr. Konarski completed his Bachelor of Science with high honors at the University of Toronto at Mississauga.

His desire to help others and interest in health sciences motivated Dr. Konarski to complete his Doctorate of Dental Surgery (DDS) at the University of Toronto, Faculty of Dentistry. Working with patients first-hand throughout dental school was an amazing experience and inspired him to continue his education in orthodontics. Dr. Konarski completed his specialization in Orthodontics at the Vanderbilt University Medical Center in Nashville, TN.

He enjoys time with his wife and 3 children.

Victoria- Patient Care Coordinator

Victoria came to help us on weekends when she was in high school, referred by an employee of ours, in July 2009. She has been with us ever since, except for when she went to College and received her Certified Childhood Educator (Sheridan College, 2014). She returned after that and knew that she wanted to work in our dental office as she loved it. She also received her Dental Treatment Coordinator Certificate from George Brown College. She is very familiar with all the patients and has the answers to most of your questions. If she doesn't, she will find them!

Victoria enjoys time with her husband and 2 young children.

Josie- Office Manager 


Josie  joined our office in 2017 and comes to us with a wealth of knowledge in the dental field. She has many years of experience in all aspects of dentistry. Her easy-going, kindhearted nature makes her very approachable to answer any questions or concerns that our patients may have about their treatment. Her sense of humor brings great enthusiasm to our office and has been a great asset to our team.

When she is not working, Josie enjoys spending time with her family at the cottage.

Colleen - Registered Dental Hygienist

Colleen is our full-time Hygienist, and has been with us since June 2002. She graduated from Niagara College in 1998. She is thorough and conscientious in her work. Pursuing continuing education is a passion for Colleen. She is our in house expert for nite guards, snoreguards and sleep apnea testing. She has also had extensive experience in our orthodontics department. She is reliable and an integral part of this office.

When not caring for her patients, Colleen cares for her family including her two daughters and husband.

Ivana - Registered Dental Hygienist

Jennifer- Preventive Dental Assistant

Jennifer worked as a dental receptionist for 3 years, then graduated from George Brown College in 2001 from the Dental Assisting Program, Level 2, and has been with us since August, 2008. She works chairside with Dr. Porretta, and with a long history of dental experience, brings an enthusiastic attitude and warm interpersonal skills. She is always eager to explain the "whys" and "hows" of any procedure to help give patients full understanding. Jennifer was raised in Bolton where she feels most at home with her husband and two beautiful (and active) boys.

Jenn- Patient Care Coordinator

Jenn graduated as a level 2 Dental Assistant. She first came to us as a co-op student in 2009, and has been with us ever since! Jenn has a natural talent for working closely with people, and helps make appointments fun. She is always at the ready to help out in any way. Jenn works in both our Bolton and Beeton office's as needed. Jenn enjoys time with family and friends on her weekends off.

Franca - Chief Financial Officer

Franca brings to our office her experience in the banking business. Her easy manner with people makes her a great part of our team. She makes sure our office is running smoothly like clockwork.

Our Team Photos:

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Office Hours


8:30 am-5:30 pm


8:30 am-7:00 pm


7:30 am-5:30 pm


7:30 am-5:30 pm


8:00 am-3:00 pm