Our Team

Our team at Orleans Gardens Dental Centre - Dentist in Orleans, ON.

Dr. Thuy-Tu Nguyen (D.M.D.)

Dr. Nguyen graduated from the University of Montreal where she received her Doctor of Dental Medicine (DMD) in 1995.  She pursued a Residency in General Dentistry with McGill University at the Montreal General Hospital in 1996.  She has Been practicing dentistry for over 18 years at Orleans Gardens Dental Centre.

Dr. Ken Marenco (D.D.S.)

Dr. Marenco completed his dental education at McGill University in 1998.

In 1999, he went on to pursue graduate training at the Montreal General Hospital’s general practice residency.

From 1999 – 2003, Dr. Marenco acted as faculty lecturer and clinical instructor to the dental residents at the Montreal General Hospital, a graduate teaching clinic of McGill University’s Faculty of Dentistry.

From 1999 – 2003, he provided endodontic and surgical periodontal therapy at two general dental practices in Montreal while providing comprehensive dental care at a third clinic.

In 2003, Dr. Marenco moved to Ottawa, where he became part owner of the Orleans Gardens Dental Centre. 

He currently resides with his wife and two children in the community of Orleans.” 

His passion for dentistry shows through the patience and care he provides his patients.  He is always up-to-date on the latest techniques through his involvement in continuing education courses and the careful review of scientific, peer-reviewed dental literature.

Dr. Marenco prides himself in providing patients with information to guide them in making the best possible decisions on procedures and treatments towards their dental care and their vision for their oral health.

Few referrals are required since most services are provided at the clinic.  This includes an orthodontic specialist, IV sedation wisdom teeth removal, implant placement and root canals.

Dr. Marenco's practice mainly focuses on comprehensive dental care for the whole family, but also provides surgical services including implant placement and periodontal surgical services.

He plays hockey and tennis and enjoys spending time with his family and friends, skiing, soccer, cycling, swimming, traveling, and renovating.


Dr. Bill Ring (D.D.S., Orthodontist)

Allison Bathurst (Office Manager)

Allison graduated from the Dental Assisting Level II program in 2000.  She has been with Orleans Gardens Dental Centre since 2000.  Her warm friendly presence can be felt throughout the office.  When not at work Allison keeps busy with volunteering for her children’s school and with the local baseball association.  She also enjoys going to the gym, playing floor hockey and spending time with family and friends.

Jen Brennan (Treatment Coordinator for Dr. Ken Marenco)

Jen has enjoyed working as Dr. Marenco’s Administrative Assistant/Treatment Coordinator since 2008.

Jessica Porter (Treatment Coordinator for Dr. Nguyen)

Jessica joined our team in 2016 as an office administrator and treatment coordinator. She graduated from Everest College in 2012 with honors in the dental assisting programs level 1 and 2. When not working, Jessica enjoys shopping, baking cakes,and scrapbooking.

Melanie Ranger (Dental Assistant, Treatment Coordinator for Dr. Ken Marenco)

Melanie graduated from the Dental Assistant program Level II from La Cite Collegiale in 2011. She has been working at our office since October 2016. Melanie is working with both Dr. Nguyen and Dr. Marenco. Melanie is very versatile in the office, you can see her working at the front desk or helping in the back. She was raised in a small town outside of Ottawa. On her spare time, she enjoys playing hockey, walks with her dog and spending time with her family and friends.

Kandice Clark (Hygiene Coordinator)

Kandice graduated in 2008 as a level II Dental Assistant. She has been with Orleans Gardens Dental Centre since March 2014. She has gained much knowledge over the years in many aspects of dentistry, including Pediatrics, and Orthodontics. Kandice likes to spend her time with her Husband, Chris, her two boys, Rylen, Jackson, as well her dog, Bowser.

Melissa Jess (Dental Assistant) (Treatment Coordinator for Dr. Bill Ring)

Melissa graduated from the Dental Assistant Level II Course in 2005.  She started her career with Orleans Gardens Dental Centre in July 2005 assisting Dr. Nguyen.  Melissa is now Dr. Ring’s main dental assistant and treatment coordinator.  Any questions about orthodontics, she is the one to ask.  Melissa is passionate about fitness, enjoys Ultimate Frisbee, biking, being outdoors and going to the gym.

Natalie Martin (Registered Dental Hygienist)

Natalie has been a valued member of our Orleans Gardens Dental team since 1996.

She graduated from University of Moncton in 1993 with a Bachelor of Arts. In 1995 she moved to Ottawa from New Brunswick to pursue her education. In 1996 she graduated from La Cité Collegiale with a certificate in Dental Assisting and in 1998 she received her diploma in Dental Hygiene. Natalie was recruited to the board of La Cité collegiale Dental Hygiene from (2001-2008). Over the years she has worked in various fields including general practice, orthodontics, oral surgery and taught oral health education at various schools.
When not educating our patients about the importance of oral health she can be found travelling, baking and cooking delicious meals and spending as much time outdoors as she can with her husband and her two beautiful Chows ShenLung and FuShīLu.
Natalie's infectious laughter can be heard throughout our clinic and her cheery personality puts our nervous patients at ease. She serves our community in english or french, with smiles for everyone.

Heather Ling (Registered Dental Hygienist)

Heather graduated with honors from the Algonquin College Dental Hygiene program in 1999.  She has called Orleans Gardens Dental Centre her second family since 2002.  Heather is active in the dental community and is committed to continuing education and staying up-to-date.  She is especially passionate about overall health and wellness and the connection to oral health.  Heather is currently working towards her Nutritional Consulting Diploma.  A holistic approach to dental hygiene means it’s not just about brushing and flossing!

Kimberly Juma (Registered Dental Hygienist)

Kim started at the Orleans Gardens Dental Centre in 2007 as a Dental Assistant.  Later that year she attended Niagara College for the Dental Hygiene program and returned to the office after graduating in 2009. Her infectious laugh can be heard throughout the clinic. In her spare time, Kim enjoys spending time with family, friends and her husband Khalim. 

Jessica Pinto (Registered Dental Hygienist)

Jessica has been working with Orleans Gardens Dental Centre since 2013.  She began her studies at La Cite Collegiale (one of Ontario’s French speaking colleges) in 2010, successfully completed their Dental Hygiene Program in the summer of 2012.  Although she has only just started her career, there is no doubt that she enjoys it and is looking forward to continue learning.  Jessica enjoys spending time with friends, family and beings outdoors with her dog.

Jenn Melville (Registered Dental Hygienist)

Jennifer is a Registered Dental Hygienist. She graduated from Niagara College in 2009, receiving the "Golden Scaler Award", for having the highest clinical standing in her graduating class. Jenn started her hygiene career with us in 2009 and was part of our team for one year before moving to Western Canada. She returned to our clinic in 2015 and plans to grow her career here. She has a passion for oral health, continuing education and client based care. Her calming personality will help you feel comfortable and at ease during your hygiene appointments. She is a great team player, her work ethic and love for her career adds to our office's patient based philosophy. In her free time she likes to be with her family and friends, visit the cottage, and loves to stay active and healthy.

Sandy Turcotte (Registered Dental Hygienist)

Sandy discovered her calling to work in the dental field while in high school during a co-op placement. In 1994, she graduated from Canadore college's dental assisting program. She fulfilled her mandatory year assisting in a general practice in Pembroke before applying to the dental hygiene program at La Cité collégiale in 1995. Since graduating in 1996, she has worked in many different settings including pediatrics, orthodontics and biological dentistry. She joined our team in 2015. Sandy works part time in our office. She has a gentle yet thorough way of her gentle yet thorough technique help put even the most anxious clients at ease. During her time off, she tries to keep up with her young daughter, her stepdaughter, her husband and their dog.

Chrissie Lamb (Registered Dental Hygienist)

Chrissie started her dental career in 1996 when she completed the co-op program in high school, this was just the stepping stone to a life long career in the dental field. Years later she completed the Level 2 dental assisting program and gained her experience with intra oral dental procedures. In 2005 she moved to Toronto and completed her Dental Hygiene program. After 11 years in Toronto she moved back to Orleans where she grew up and settled into the Avalon area. It's been chrissie's mission to educate her clients about the connection between oral health to overall health while reducing their inflammation. While not at work Chrissie spends time with her twin baby girls, husband and dog.

Jessie Davies (Dental Assistant for Dr. Marenco)

After Jessie graduated from Dental Assisting Level II in 2011 she has since had the opportunity to work with both Dr. Nguyen and Dr. Marenco.  She has been treatment coordinator and chairside assistant for both of the doctors.   While currently working as Dr. Marenco’s Treatment coordinator you may see her assisting him as well.  With Jessie’s warm and friendly personality she will make you feel at ease.

Katherine Rankin (Dental Assistant for Dr. Nguyen)

Katherine Parker (Dental Assistant)