Our Team of Experienced Dentists

Meet Our Experienced and Compassionate Dental Professionals

At our dental practice, we are proud to introduce you to our team of dedicated and skilled doctors who are committed to providing exceptional care to all of our patients. Each of our doctors brings a unique set of skills and expertise to the practice, ensuring that you receive personalized treatment that meets your individual needs and goals.

From dental implant surgery to cosmetic dentistry and prosthodontics, our doctors have undergone extensive training and continue to stay updated on the latest advancements in the field. Whether you are seeking routine dental care or a more complex treatment, you can trust our team to deliver top-notch care in a comfortable and welcoming environment.

Datta Malyavantham

BDS, DDS, FICOI

Dr. Datta

Dr. Datta Malyavantham is an experienced dental implant surgeon and cosmetic dentist in the Northern Virginia and Washington, D.C., metro area. He began his dental career at Government Dental College at Bangalore University, India, where he received his Bachelor of Dental Surgery. He further continued his advanced dental studies at the School of Dental Medicine at Case Western Reserve University in Cleveland, OH, where he earned his Doctor of Dental Surgery. Dr. Datta was voted as the Top Cosmetic Dentist by his peers in Northern Virginia magazine for the past four years.

Over the last two decades of his clinical practice, he has obtained advanced training and experience in cosmetic, implant surgery, and restorative treatments. Dr. Datta has also achieved his Dental Implant Fellowship status from the International Congress of Oral Implantologists.

Dr. Datta is passionate about providing dental rehabilitation and Cosmetic Smile Design treatments to restore form and function. His favorite thing about the practice is being able to change a patient’s perception of past dental experience and empower them regarding the importance of oral health. He is a speaker and teaches advanced dentistry to fellow dentists. He lectures nationally and internationally to provide training to dentists on advanced implant treatment and cosmetic dentistry.

Dr. Datta and his wife, Devika, are travel enthusiasts and always looking forward to learning about a new culture. He has achieved a blackbelt in Korean martial arts – Hapkido.

Professional Affiiations
  • American Dental Association
  • American Academy of Cosmetic Dentistry
  • International Congress of Oral Implantologists
  • American Academy of Implant Dentistry
Current Speaking Engagements
  • “Current Concepts in Dental Implants”
  • “Preventing Dental Implants Treatment Failure”
  • “CBCT Dental Technology for Advanced Diagnosis & Treatment Planning for Dental Implants”
  • “Implementing CBCT Scan for Dental Implant Treatment & Applied Concepts for Dental Implants Immediate Loading”

Diana Sensenbrenner

DDS

Dr. Diana Sensenbrenner practices dentistry in a way to provide a comfortable, predictable, and easy experience for her patients. She strives to improve her patients’ perception of what dentistry can offer. Through her more than 10 years of dental experience, Dr. Diana had the opportunity to learn from her patients how to work with them to manage their fears and anxieties and reach their goals. Her passion for what she does each day will be obvious to you through each of your visits, from customizing your treatment plan to meet your goals and desires to the level of comfort and care she brings to the procedures themselves.

Dr. Diana Sensenbrenner understands the importance of trusting your doctor’s expertise and training. It is her ongoing goal to be active in seeking out continuing education to ensure the level of care she is providing reflects the most current and best solutions. She is a graduate of the University of Pacific’s Arthur A. Dugoni School of Dentistry and received her bachelor’s degree from Stanford University. Dr. Diana then went on to complete her Advanced Education in General Dentistry residency at Marquette University in Milwaukee, WI.

As a member of the American Association of Cosmetic Dentistry, Dr. Diana is continually learning new techniques to enhance her patient’s smiles while ensuring the predictability that her patients deserve. Dr. Diana has also made it a point to receive additional training for dental implants through the gIDE Master Clinician program, allowing her to provide the types of services required to meet her patients’ needs.

As a Los Angeles native, Dr. Diana enjoys cooking, spending time with her husband Bob and son Kevin, and rooting for the Green Bay Packers.

Professional Affiiations
  • American Association of Cosmetic Dentistry

Nik Malmstrom

DDS

Dr. Nik Malmstrom was originally born and raised in Rochester, New York, before moving to Washington, DC. He completed his undergraduate studies at the University of Rochester with a double degree in Cell and Developmental Biology and History. He completed his dental education at the University of Maryland School of Dentistry and spent two years in Brooklyn, New York where he completed his General Practice Residency at New York Presbyterian Brooklyn Methodist Hospital. He has moved back to the DC metropolitan area and is thrilled to be providing quality care for patients in Alexandria and the surroundings. Dr. Nik is passionate about creating the best possible patient experience in an open and caring environment with an excellent team of like-minded professionals.

Outside of dentistry, Dr. Nik enjoys soccer, running, skiing, and hiking through national parks with his wife, Kara.

Ivan Sabarre

DDS

Dr. Ivan Sabarre joined Ridgetop Dental Group as an associate dentist in 2021. Born and raised in Northern Virginia, he studied dentistry at USC, where he earned both his bachelor’s degree and his DDS. He is currently a member of the Academy of General Dentistry and the Northern Virginia Dental Society.

Dr. Ivan cares deeply about the well-being of his patients and loves to take the time to build real relationships. He also makes a real effort to serve his community beyond his work in the office. He has worked as the mobile clinic director for a community outreach program that provided dental care to children in underserved communities and won several awards for community service.

When he is not looking out for his patients, Dr. Ivan enjoys hiking, traveling, and spending time with his loved ones.

Professional Affiiations
  • Academy of General Dentistry
  • Northern Virginia Dental Society

Sangeetha Kumar

BDS, MS (Specialist in Prosthodontics)

Embarking on a dental journey at SRM Dental College and Hospital in India laid the foundation for a passion for dentistry. Graduating with a Bachelor of Dental Surgery degree, Dr. Kumar pursued further education at New York University College of Dentistry, where she delved into Advanced Education in Prosthodontics.

As a Prosthodontist, Dr. Kumar’s paramount focus is on conducting comprehensive patient examinations and devising tailored treatment plans that align with everyone’s aesthetic and functional aspirations.

Her expertise lies in crafting crowns and bridges, both complete and partial removable dentures, as well as implant-supported prostheses and full mouth rehabilitations. Her approach is marked by perseverance, conscientiousness, and compassion, complemented by my finely-honed hand skills and meticulous attention to detail. Dr. Kumar firmly believes that dentistry is a remarkable profession—one that presents new discoveries and challenges every day. Over the years, her clinical experience has not only enabled her to address patients’ dental concerns but has also witness the restoration of hope and smiles to their faces, driving her to continually enhance her skills and knowledge.

When she’s not in the dental office, Dr. Kumar enjoys exploring new coffee spots in the neighborhood, embarking on adventures with her husband and two wonderful children, and experimenting with cooking nutritious recipes.

Your smile is her priority, and she will provide you with exceptional dental care that enhances both your oral health and overall well-being.

Professional Affiiations
  • American Dental Association
  • American Academy of Cosmetic Dentistry
  • International Congress of Oral Implantologists
  • American Academy of Implant Dentistry
Current Speaking Engagements
  • American Dental Association
  • American Academy of Cosmetic Dentistry
  • International Congress of Oral Implantologists
  • American Academy of Implant Dentistry

Deepika Thota

BDS, MS (Specialist in Prosthodontics)

As a specialist in Prosthodontics and Implant Dentistry, Dr. Thota brings a wealth of expertise to the esteemed Ridgetop Dental Group. Her professional odyssey commenced in India, where she earned her dental degree from NTR University of Health Sciences. Fueled by an unyielding commitment to excellence, she ventured to the United States to pursue advanced training in Prosthodontics at the prestigious NYU College of Dentistry.

With a passion for sculpting radiant smiles that transform lives, she specialize in Fixed and Removable Dentures as well as Full Mouth Rehabilitation. Dr. Thota’s dedication to staying at the forefront of dental innovation ensures that she provides nothing short of the finest care to her patients. Your comfort and satisfaction are paramount to her, and she is unwavering in her commitment to guiding you towards a journey of joyful and healthy smiles.

Beyond the realm of dentistry, Dr. Thota finds solace in honing additional skills such as martial arts and cherishes moments with her family.

Professional Affiiations
  • American College of Prosthodontists

Testimonials