Special Offers Request an Appointment
New Patients Welcome Most Dental Insurances Accepted Patient Rights
Red Cross Donation Button

Meet Our Dental Team



Windham dentist, Dr. Donald Warner

Donald Warner DMD

Dr. Warner is a dentist with a love for the profession gained over a forty year career in general dentistry.  He is very well experienced in the key areas of diagnosis, prevention, restorative, and surgical care.  He strives for excellence in services, and always informs patients of their treatment options.  He listens to patients wants and needs and communicates his caring skills with a gentle approach.  Dr. Warner stands behind promoting oral health to enhance physical well- being of all his patients, young and old.

Kevin Guze DMD

Windham dentist, Dr. Kevin GuzeDr. Kevin Guze received his DMD at the University of British Columbia and completed his General Practice Residency in Dentistry at Vancouver General Hospital. He then came to Harvard, where he earned a DMSc in Oral Biology and completed a post-doctoral fellowship in Periodontics. His practice includes all aspects of periodontic surgery, including implants.

Dr. Guze is presently an instructor and researcher at Harvard School of Dental Medicine where he was awarded the Goldhaber Research Prize in 2009. He is active in translational research–bringing innovations from the laboratory to clinical practice.

Outside of the office Dr. Guze enjoys playing hockey, tennis, hiking and spending time with his 4 children.

Clinical interests: periodontics, implants

Memberships and Associations:

James Shahinian DMD

Windham Dentist, Dr. James ShahinianDr. James Shahinian received his bachelor’s degree from the University of Richmond in 2008, and his Doctor of Dental Medicine from Tufts School of Dental Medicine in 2014. He completed an Advanced Education in General Dentistry with the Lutheran Medical Center in Hyannis, where he specialized in more complex restorative, cosmetic, and endodontic procedures. As a general dentist at Lifetime Dental Health, Dr. Shahinian is committed to providing quality dentistry to his patients using the latest techniques and materials. He is devoted to creating beautiful smiles, and enjoys providing his patients with a comfortable and caring environment. A New Jersey native, Dr. Shahinian currently resides in Gorham, ME. He is a classically trained musician, playing both piano and guitar. Dr. Shahinian also enjoys woodworking and hiking in the White Mountains.

Carsa – Doctor Assistant

Carsa grew up in Ashland, Maine, and she currently resides in Windham with her husband and two sons. She graduated from Dental Careers Institute in South Portland, Maine in 2012 and has been working in the dental field ever since. Her family keeps her very busy, and in her free time, they all enjoying going to the lake, kayaking, fishing, and camping.

Karen – Dental Hygienist

Karen began practicing as a registered dental hygienist with Lifetime Dental Health in October of 2014. She graduated from the University of Maine in 1991 with an Associate degree in Dental Hygiene.  Her hometown is Westbrook, but she actually has lived in Windham since 1994. She and her husband Mark have three sons, two of which are twins. She also has two grown bonus sons. When she has free time, she enjoys baking and spending time with her family.

Andrea – Dental Hygienist

Andrea joined Lifetime Dental Health in January of 2015. She was born and raised in Berlin, NH but has relocated to Portland and she loves all it has to offer. She attended NHTI in Concord, NH and graduated in 2014 as a registered dental hygienist with her certificate in local anesthesia and nitrous oxide. Andrea enjoys working with others and being able to help patients achieve optimal oral health. In her free time, she and her husband love spending time outdoors, hiking, biking, swimming, and enjoying all the events that Portland has to offer. She is very family-oriented and travels often to Berlin, NH to visit her loved ones.

Kristen - Receptionist/Hygiene Assistant 

Insurance Coverage
Convenient Hours
New Patient
Porcelain Veneers
Dental Implants
Dentures & Partials
Gingivitis &
Gum Disease