Our Staff

George Mantikas, DMD

Doctor George Mantikas

Dr. Mantikas has been practicing dentistry in East Hampton, Connecticut for over 25 years. He has been named a Top Dentist by the Connecticut Magazine since 2009. Dr. Mantikas loves Southwest Florida and decided to expand his successful Connecticut practice to provide the same quality of care to patients in Florida. Our full-time Florida staff combined with Dr. Mantikas's consistent Florida travel ensure that all aspects of your dental needs are taken care of.

Dr. George Mantikas graduated from St. Johns University in New York, where he earned a Bachelor of Science degree in biology with chemistry and business minors. He graduated with honors from Tufts University School of Dental Medicine in Boston, where he received his degree of Doctor of Medicine in Dentistry.

Dr. Mantikas carries on his pursuit of dental excellence by his involvement in continuing education courses and membership in the American Dental Association, The American Endodontic Society, The National Society of Dental Practitioners, Academy of General Dentists, Connecticut State Dental Association, International Congress of Oral Implantology, Florida Dental Association and the American Academy of Cosmetic Dentistry.

Dr Mantikas and family at daughter, Lauren's, college graduation

Dr. De Oliveira

Doctor De Oliveira

Dr. De Oliveira is a compassionate General Dentist located in Naples, FL. She speaks both Spanish and English fluently. She has lived in three different countries and four states, making her multicultural background an asset when it comes to being able to understand the different needs her patients may have. She is passionate about all aspects of her career, including Cosmetics, Endodontics, Oral Surgery, Periodontics and Pediatrics. She graduated from the University of Louisville in 2019, and has already finished multiple continuing education courses with the purpose of serving the needs of every patient in a customizable fashion. She takes pride on making sure every patient, young or adult, feels comfortable in the chair. Her goal is for patients to be able to make informed decisions about their Oral Health and makes sure all her patients understand every aspect of their treatment and leave with a big bright smile!

Dr. De Oliveira’s alma matter school is the University of Michigan where she graduated with a Biopsychology, Cognition and Neuroscience degree and spent her free time doing research at the University of Michigan School of Dentistry where she was able to contribute in multiple papers about fear and anxiety in the dental chair as well as community-based education systems. And on the weekends she would go to the Big House of course!

If you go see her ask her about her favorite hobby: team handball! Dr. De Oliveira was high school captain for four years of an unbeatable National Champion Team!


The hygienists employed in our office are licensed by the state of Florida. They each participate in continuing education every year, and have received advanced training and certification in preventative periodontal treatment. Each of our hygienists are dedicated to increasing their knowledge and professional skills, which results in a high level of professional diagnostic skills not routinely delivered by dental hygienists.


Dawn grew up in Northern Virginia, the suburbs of Washington, D.C. Dawn attended Randolph-Macon Military Academy where she earned the President’s Award for Academic Excellence and upon graduation she ventured off to attend George Mason University where she earned her degree in Hospitality. She moved to Southwest Florida in 2001 to pursue her hospitality career. As a hospitality driven person she later found another other career where she could help people on a different level. That was in dentistry. Dawn entered dentistry in 2003 as a dental assistant. She grew a new fondness to dentistry and decided to further pursue education in dentistry. She entered into the Dental Hygiene program at Florida Southwestern State College to obtain her degree in Dental Hygiene. From there her passion to help, communite, and educate patients has been her top priority. For Dawn this is important because she knows that oral health is connected to overall health. As a clinician her ultimate goal is for every patient to be comfortable and feel confident with their oral hygiene and oral health. Dawn is happily married with two wonderful boys. In her spare time she thoroughly enjoys spending time with family.




A native Floridian, Nallely was born in Naples. After graduating from Immokalee High school, she attended Heritage Institute and received her certificate in dental assisting. Nallely enjoys helping patients in every aspect of our dental office. Outside the office, Nallely loves spending time with her daughter Jazmine. She takes pleasure in horseback riding, dancing, watching movies, spending time at the beach, and going to the gym.


Jessica completed her dental assistant education at Heritage Institute of Ft. Myers, receiving her degree in EFDA ( Extended Function Dental Assisting). She has been in the dental field for 6 years and has developed a passion for dentistry, She is currently enrolled at Florida Southwestern State College, where she is pursuing a degree in Dental hygiene. What she enjoys the most about her role at the dental office is to make patients feel comfortable, interact firmly with them, and helping them improve their smiles. She enjoys educating patients and relieving their anxiety.

Jessica has five siblings; two siblings live with her and two live with her mother in California. When she isn’t busy at work, she loves to spend time with her boyfriend, travel, and doing outdoor activities. The thing she loves the most is her family and helping others.

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Office Location
5100 Tamiami Trail North
Suite 202
Naples, FL 34103
(239) 262-6000

Office Hours

Monday: 8:00am - 4:00pm
Tuesday: 8:00am - 4:00pm
Wednesday: 8:00am - 4:00pm
Thursday: 8:00am - 4:00pm
Friday: Closed
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