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Dental Assistants

Our dental assistant professionals have had extensive training to help Dr. C. transform you into having a world class smile. Please click on the bios below to learn more about these friendly professionals.

I was born in Fresno and raised in Selma. I graduated from Selma High. In April of 2005 I graduated from Galen College. I have enjoyed working with Dr. Costanzo and his crazy crew for almost 5 years.

In my spare time I love reading books, spending time with my husband and our little doggy Harley.


BarbaraI've enjoyed Orthodontics since 1981. I love being a part of creating beautiful smiles with Dr. Costanzo and our awesome staff. I received my Registered Dental Assistant training at Monterey Peninsula College.

I've been told that I am quite the handywoman. My husband Randy and I love to go gold panning and visit with family and friends.

Hi, "CB" is my name, talkin' and having fun is my game. That's what I have enjoyed most about my career in the ortho field. I've had the pleasure of being an RDA since 1994.

Married since 1983, my husband Gary and I have 3 wonderful children. Sarah graduates from Edison in June 2010. She wants a career that includes the ocean. Our son Jacob enjoys hunting, biking and is looking forward to a career in either the military or police work. Finally our youngest, Hannah has her sights on playing and coaching soccer while working as an educator.

I look forward to saying "hi" to you in our office soon.

CristinaHi everyone!! I was born and raised here in Fresno, Ca. and it looks like I'm here to stay (home is where the heart is). I graduated form Central East High School in 2000 and attended Galen College.

I came to this office to do my required training and I was lucky enough to have been hired. I've been working in this amazing office since August 2002 and look forward to many more years to come.


I was born and raised here in Fresno. I attended Fresno City and Fresno State. I changed fields and went to San Joaquin Valley College for my dental training. I received my license in 1996. I enjoy my job and working with a great doctor and staff.

Aside from my job, I love taking care of my dog and cats, working out, hiking in the mountains, fishing and mostly riding my Harley with Frank, my loving and supportive husband.

LouisaI was born in Los Angeles and grew up in the Central Valley. I graduated from San Joaquin Valley College for my dental training in 1991. I have workied in general dentristry and orthodontics, my favorite being ortho of course! I joined Drs. Kilmer and Costanzo's house of fun in april of 2005 and am happy to say it feels like home.

I spend my free time with a completely supportive man, Paul, and my four wonderful children, Fatima, Joe, David, and Daniel. I now have 3 grandchildren to play with too!

MaryMy name is Mary and I am a Fresno native. I graduated from Edison Computech and went on to Fresno State. I have been an RDA and working in orthodontics since 1990.

I absolutely love my job and all the aspects from mechanical to creative. Working with Dr. Costanzo and the staff has been enriching and rewarding. I believe we provide the best of both worlds, high quality and a positive experience. We have such amazing teamwork that we can tackle anything.