Meet Our Dentist in Tulsa, OK

Dr. Christian Andrus is a highly-trained and experienced dentist who is committed to providing the best possible dental experience for his patients. He has earned the prestigious designation of Fellow in the Academy of General Dentistry, which requires exceptional dedication to continuing education and the completion of a rigorous program of study. In addition to his advanced training, Dr. Andrus is an active member of several professional organizations and is trained in advanced life support techniques.

At his practice, Dr. Andrus takes a co-diagnostic approach to treatment and works with his patients to determine the best course of action for their individual oral health goals. He also offers two levels of sedation to help those with dental phobia overcome their fear. With his extensive education and experience, as well as his commitment to excellence and compassion, Dr. Andrus is the ideal dentist for anyone seeking high-quality dental care.

In addition to his extensive education and training, Dr. Christian Andrus is also a Scholar from the world-renowned Dawson Academy. The Dawson Academy is a leading provider of advanced education in the field of complete dentistry, which focuses on understanding the relationships between the teeth, bite, and muscles of the jaw. The Academy’s comprehensive curriculum covers a wide range of topics, including occlusion, temporomandibular disorders, esthetics, and comprehensive care planning.

By completing the Dawson Academy’s rigorous program, Dr. Andrus has demonstrated his commitment to staying at the forefront of the latest developments and techniques in dentistry. This advanced training allows him to provide his patients with the highest level of care and support, helping them to achieve optimal oral health and function.

Aside from his professional achievements, Dr. Andrus is also a dedicated family man who enjoys spending time with his wife and children. In his free time, he enjoys running, weightlifting, and playing outdoor sports. As a former Marine, he is a life member the local VFW chapter in Glenpool. Dr. Andrus also volunteers his time and expertise to provide dentistry to those in need throughout the year.

Dr. D’Avanzo is a Board Certified Orthodontist and the owner of Belle Mead Orthodontics. He graduated from Albright College with a degree in biology and then obtained his DMD degree from Fairleigh Dickinson School of Dental Medicine. He also obtained his Master of Science degree in oral biology from Temple University School of Dentistry with a specialty in orthodontics.

Before Dr. D’Avanzo began specializing in orthodontics, he completed a two-year residency in general dentistry. Throughout his career, he worked in several practices and even worked as a professor at Temple University’s School of Dentistry. He has won the Children’s Award from the New Jersey Society of Dentistry and the Anesthesiology Award from the New Jersey Society of Anesthesiologists.

Ronnie brings a spirit of service, leadership and warmth to our dental team. A proud Marine Corps veteran, Ronnie served six years and achieved the rank of Sergeant, including a deployment to Afghanistan in 2018. His time in the military shaped his strong work ethic and deep commitment to helping others – values he continues to carry with him every day.

After completing his service, Ronnie earned a bachelor’s degree in biomedical science from the University of Central Oklahoma, graduating in December 2023. While at UCO, he held multiple leadership roles in the Pre-Dental Society, including Exterior Vice President, Treasurer and Secretary. These experiences allowed him to further develop his passion for community, service and healthcare.

Ronnie’s interest in dentistry stems from a belief that a confident smile can truly change lives. He is motivated by the idea that dental care can not only improve someone’s health, but also help them feel more self-assured and empowered. His background in servant leadership – first through military service and now in a healthcare setting – drives his mission to support others in meaningful and lasting ways.

Outside of work, Ronnie enjoys diving into history, listening to country blues music and is a huge fan of Game of Thrones. He is also known for being an energetic and “infectious” dancer – something he is proud of and always ready to prove on the dance floor.

Friendly, focused and passionate about helping people, Ronnie is a valued part of our team and someone you will enjoy getting to know.

Janna is new to the dental field and brings with her a contagious excitement and passion for helping others. She was inspired to join dentistry after witnessing incredible smile transformations and the confidence they bring to patients. With a background as a receptionist in the veterinary field for over four years, Janna brings strong communication skills, compassion and a love for client care to her new role.

What she loves most about working in dentistry is knowing she plays a part in relieving pain and helping patients feel confident in their smiles. For Janna, it is incredibly rewarding to see a patient smile and know she helped improve their day just by being kind, helpful and attentive.

Outside of work, Janna enjoys hiking, trying new restaurants, watching reality TV and spending quality time with her family and friends. She’s also a proud animal lover and pet mom to quite the crew — two dogs, two turtles, three geckos (including crested and leopard geckos), a ball python and a green anole!

Janna is excited to be part of the Tulsa City Dental team and looks forward to helping patients feel cared for and supported every step of the way.

Rosanna is a dedicated and skilled dental hygienist with two years of experience and eight years of dental assisting in providing comprehensive dental care and hygiene services. A graduate from Pima Medical Institute with an Associate’s Degree in Dental Hygiene, Rosanna is passionate about educating patients on the importance of oral health and implementing preventive dental care practices.

Throughout her career, Rosanna has gained extensive experience in pediatric dentistry, general dentistry, periodontal therapy and advanced dental technologies, making her proficient in a wide range of dental hygiene procedures. Rosanna is committed to using her expertise to help patients achieve and maintain optimal oral health.

Rosanna grew up in Altus, Oklahoma, and recently moved to the Tulsa, Oklahoma, area. After living in New Mexico and west Texas her heart has called her back home. Outside of the dental office, Rosanna enjoys spending time going to the gym, traveling, seeing her youngest son play travel baseball, seeing her oldest son become a Navy Sailor, walking her dogs and spending quality time with her loved ones, as well as emphasizing a holistic approach to health and wellbeing. Rosanna is committed to using her expertise to help patients achieve and maintain optimal oral health here with us at Tulsa City Dental.

Diana is a dedicated dental assistant who brings warmth, skill and compassion to every patient interaction. With a natural ability to make patients feel at ease, she is especially great with children, ensuring they have a fun and stress-free dental experience.

Passionate about helping others achieve healthy, confident smiles, Diana works alongside our Tulsa city dental team to provide high-quality care. Whether assisting chairside, educating patients about oral health or offering a comforting presence, she is committed to making each visit a positive one.

Outside of work, Diana enjoys spending time with her family, exploring new places and embracing life with a smile. She looks forward to continuing to care for patients and making a difference in their dental health journey.

Jennifer’s journey into the dental field began with inspiration from her childhood dentist, sparking a lifelong passion for helping others. Driven by a desire to make a positive impact, she found a fulfilling path in restoring smiles and enhancing lives as a dental assistant.

Jennifer’s greatest motivation comes from seeing her patients’
transformations and guiding them through their dental journeys, especially when they are uncertain. Her love for her work is evident in the way she comforts and motivates patients, helping them understand the importance of oral health. With 19 years of experience, Jennifer holds expanded function certifications in restoration, removable and fixed prosthodontics, and Invisalign. She completed her dental training in Missouri and has since dedicated herself to patient care with a warm and compassionate approach.

Outside of her work, Jennifer enjoys crocheting, reading, and staying
active outdoors, whether it’s kayaking, horseback riding, or gardening. She
is also a proud grandmother to two little granddaughters who lovingly call
her “Nonnie.”