Dr. Avantino and Dr. Test     Sanger Dentist - Karen K. Avantino, DDS - Family Dentistry

At the office of Dr. Karen K. Avantino, we love taking care of our patients! We have been improving the lives and smiles of families and individuals since 1991 and our patients have become some of our best friends. Dr. Avantino and the rest of our team truly care about you and your family and we do everything in our power to ensure that you have a comfortable and positive experience at our office. As the only female dentist in Sanger, Texas, Dr. Avantino can provide you and your family with comfortable, gentle, and caring dentistry.

Because we care so much about our patients, we do our best to stay current on the latest dental advances. Our staff strives to help you understand your dental needs and the procedures required to accomplish those needs. We will also work with you on understanding your financial obligations with or without dental insurance. Your smile is important to us, so we will do everything possible to make it attainable for you. Our office is located in historic downtown Sanger, Texas. We welcome new and existing patients from Sanger, Krum, Valley View, Aubrey, Pilot Point, Gainesville and surrounding areas. Our services range from implant supported crown, bridges, implant overdentures, Zoom whitening, and cosmetic dentistry. services We also provide treatment for TMJ, dental surgery, and root canal therapy. If you are anxious about the dentist, we offer nitrous (laughing gas) and oral sedation for your comfort. We can help you and your family members achieve beautiful, healthy smiles. We are a family friendly office and see patients of all ages.

Please call our office today to schedule your appointment with us. We look forward to meeting you and welcoming you into our dental family. Your Smile Awaits You!

Please browse through our website and be sure to contact us if you have any questions or would like to schedule an appointment. You may also use our online appointment request form to schedule your appointment. 

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What Our Clients Say About Us

  • "Always a pleasure to come to your office"
    Ruth Murphee
  • "The best dental practice I have ever used!! The assistants are amazing! Very professional and yet personable. Dr. Test is very knowledgeable and great at what she does...."
    David Catalan
  • "Was like home and seeing an old friend.The staff was happy and very kind and very knowledgeable which makes it easy for them to all work so well together.I am very pleased to go back besides I felt very at ease with Dr.Test..."
    Charlotte Odell
  • "I have been going to Stacie Test's Dentist Office since moving to Sanger in 1991. She and her staff have taken excellent oral care of me and my family. The office environment is professional and hometown friendly."
    Angela Kastel
  • "Dr. Test is a gift, and her staff are amazing people. Friendly from the start and very professional with some small town charm. Dr Test knows how to make going to the dentist something of a pleasure instead of the pain we might think it would be. She’s awesome."
    Mark Wilhoite
  • "I am always made to feel that the staff are interested in my dental needs, my health, and in my life in general. They care. Thank you"
    Mandy Stephens
  • "I’ve been going to Dr. Test since I was a child. I’m 32 now and still drive back to my hometown to go to the dentist because I just love her and the staff! Everyone is wonderful and very knowledgeable. I highly recommend this practice."
    Shaina Cox
  • "The experience with this Dentist and her office staff is the best I have had in my life. Everyone is very friendly, helpful and professional. Dr. Test is very thorough. They have my highest level of recommendation."
    Dary Shelton
  • "Dr. Test and Misty did an incredible job on my front teeth. I am so happy now that I can smile with confidence, knowing that my teeth no longer look like they belong to an opossum. If I had done this years ago my ex-wife might have stuck around a little longer :-)"
    Outdoors With Ron
  • "We have been patients of Dr Test for many years. This office has achieved something very few medical offices can claim. They are all, each person in the office, very professional yet they treat their patients like members of their family. There is often a lot of stress and anxiety in dental offices. Not here. My husband and I are patients for life."
    Theresa Flowers
  • "Dr. Test is so kind and extremely gentle. I've been going to her for 15 years. She is so caring. I get my teeth cleaned every 6 months and love going. I always feel so fresh when I leave. Any repair or problems she always takes care of quickly."
    Eve D
  • "Daughter (16) had a lot of anxiety due to a bad experience with another dentist, but came out of Dr. Tests office so happy and calm. She said it was good mom, I like it here."
    Rosie Mireles

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9:00 am-5:00 pm


9:00 am-5:00 pm


9:00 am-2:00 pm


9:00 am-5:00 pm