Meet The TeamTrillium Dental



Our Vision

The Downtown Columbus dental spa helping Ohio become one of the "Top 10 healthiest states."

Our Purpose

Trillium Dental blends relaxation with complete health dentistry allowing people to comfortably, confidently, and successfully pursue a healthier life.

Our Values


  • Teamwork
  • Relaxation
  • Impactful
  • Leading
  • Learning
  • Innovative
  • Understanding
  • Mindful
  • Our Dental Mission

    At Trillium Dental, we aim to blend comfort and precision in a way that makes you confident every time that you come by for a dentist visit.

    Going to the dentist doesn't need to be the stressful experience many expect it to be. Precise, quick, and comfortable dental service is the future of our industry. So come by our dental offices in the heart of Downtown Columbus, and let us show you how our philosophy at Trillium Dental and your needs align.

    Sarah Mladineo, DMD

    Dr. Sarah K Mladineo DMD grew up in Strongsville, OH. She earned her Bachelor of Science degree in Biology from The Ohio State University. She then journeyed south, receiving her Doctor of Medical Dentistry from the University of Florida. Upon graduation, Dr. Mladineo returned to Ohio where she worked for a private dental practice in Chillicothe for several years before branching out on her own. She is a member of the American Dental Association, Ohio Dental Association, the American Academy of Facial Aesthetics and is Invisalign certified. She is also involved in the Mommy Dentists in Business Group and enjoys continuing her dental knowledge by being a member of the Central Ohio Dental Forum. In her free time, Dr. Sarah enjoys baking and spending time with her family.

    Meet the Team

    Kristin Olexio, RDH

    Dental Hygienist

    As one of our two Hygienists, Kristin is eager to help you on your wellness journey. She joined our Trillium Dental team over a year ago when she and her husband moved to Columbus from Westerville. She graduated from a small college in Massachusetts, married into the military and has four young adult children. In her down time, she enjoys exploring coffee shops with family and friends.

    Funing Zhang

    Appointment Coordinator

    Funing is our newest member of the team and will greet you at the front desk with a smile! She joined our team in February of 2022. She is currently applying to dental schools and graduated from Ohio State with a BS in Neuroscience and Women’s Gender Studies. In her free time she loves painting, playing Ultimate Frisbee, and baking!

    Daria Buhtoiarova, CODA

    Dental Assistant

    Daria is our lovely Dental Assistant that helps Dr. Sarah during procedures! She joined our office staff greeting patients at the front desk in August of 2020. Since then she has transitioned to being our primary dental assistant as she had received her Dental Assisting Certification in Ohio in 2018. Daria is a Junior at Ohio State studying Biology and hopes to be a dentist someday. She loves interacting with patients both from a front desk and assisting perspective as she just wants to make people happy and confident with their smiles. In her free time she enjoys cooking and baking, reading, shopping on the Short North, and spending time with her loved ones.

    Ross Reddock

    Appointment Coordinator

    Ross will greet you at the front desk of Trillium!. He joined our staff in May of 2021 . Ross is a senior at Ohio State studying Chemistry and Computer Information Science and is in the process of applying to dental school. Ross has enjoyed learning about the field of dentistry and what it takes to manage a dental office. In his free time he likes to go on runs, hike with his dog, and ski with friends.