Meet Your Team

Petrushka Tuli
General Dentist

About Me

Dr. Tuli enjoys making a difference in peoples lives, whether it is easing a patients anxiety, taking them out of pain or improving their smile. Her goal is to provide a caring, comfortable and superior dental treatment so that each visit is an outstanding dental experience.

After graduating from YMT Dental College and Hospital, Dr. Tuli received her Dental Degree from the Boston University School of Dentistry. To keep up with cutting edge technology, she’s a member of the American Dental Association. She speaks Hindi, Marathi, French and German.

In her free time, Dr. Tuli enjoys painting, Indian classical dance, (she once performed for Mother  Teresa,) and playing the piano. She also loves to sing and as a member of the award winning Stop Gaps Choral Ensemble she has performed throughout the world including at the birthday of Pope John Paul II.


  • B.D.S.–YMT Dental College and Hospital–Mumbai, India
  • D.M.D.–Boston University School of Dentistry


  • American Academy of Esthetic Dentistry Award
  • Quintessence Award for Clinical Achievement in Restorative Dentistry


  • American Dental Association
Mark Slivka

About Me

Dr. Slivka says, “I enjoy creating a fun, friendly, and family atmosphere while providing the state-of-the-art in orthodontic therapy and dentofacial orthopedics. It’s the art of creating beautiful smiles and building lifelong relationships.”

After graduating from Ohio State University, Dr. Slivka received his Dental Degree from the College of Dentistry at Ohio State University. He received his Orthodontics Certificate from the New York University College of Dentistry. To keep abreast of cutting edge technology, he’s a member of the American Dental Association the American Association of Orthodontists, the Pacific Coast Society of Dentists and the American Board of Orthodontics.

Dr. Slivka says, “In my free time I enjoy reading, writing, sculpture, surfing, and other outdoor adventures like white water rafting.”


  • B.S., Human Nutrition–The Ohio State University
  • D.D.S.–College of Dentistry, The Ohio State University
  • Orthodontics Certificate–New York University College of Dentistry


  • American Dental Association
  • American Association of Orthodontists
  • Pacific Coast Society of Dentists
  • American Board of Orthodontics
George Deeb
D.D.S., M.S.

About Me

Dentistry runs in his family! Growing up in a family of Dentists, Dr. Deeb was introduced early on to the rewards of helping people achieve a new smile. Now, as a Periodontist, Dr. Deeb is proud of his ability to help get patients out of discomfort and create a new smile that not only makes them feel better but look better–often giving patients a newfound confidence and raising their self esteem. He welcomes the close involvement of his clients in their treatment planning and enjoys getting to know them personally.
Dr Deeb has a B.S. from UCLA. His Dental Degree is from the Loyola School of Dentistry in Chicago. He was awarded his M.S. and Periodontics Certificate from the Loma Linda University School of Dentistry. To keep up with evolving dental technology, he’s an active member of the American Dental Association and the Arizona Dental Association.
When away from the office, Dr. Deeb enjoys spending time with his grandchildren and gardening.


  • B.S., Pre Dental–UCLA
  • D.D.S.–Loyola School of Dentistry Chicago
  • M.S., Periodontics–Loma Linda University School of Dentistry


  • American Dental Association
  • Arizona Dental Association

Gentle Dental

6373 E Tanque Verde Rd Suite 100
Tucson, AZ 85715

Request an Appointment

View Our Offers

Enroll in Discount Plan

Office Hours:

Monday8:00 AM to 5:00 PM
Tuesday8:00 AM to 5:00 PM
Wednesday8:00 AM to 5:00 PM
Thursday8:00 AM to 5:00 PM
Friday8:00 AM to 5:00 PM