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Meet the Doctors

Charmaine Johnson, DDS

Dr. Charmaine Johnson standing next to her credentials and degrees.Dr. Johnson is a highly trained and skilled general and cosmetic dentist. She understands the importance of a healthy and beautiful smile on a personal level; she was inspired by her positive experience with orthodontics to become a dentist. She loves being able to change people’s lives through dentistry and she enjoys seeing her patients’ faces after placing beautiful crowns or completely transforming their smiles.


Dr. Johnson received her dental degree from the University of Witwatersrand in Johannesburg, South Africa in 1995 and has been practicing in the United States since 2001. She is licensed as a dentist in Illinois, Florida, Canada and South Africa.

Academic Positions

Dr. Johnson has served as the Assistant Director of the General Practice Residency program at the University of Illinois at Chicago, and for two years, she was an adjunct faculty member for the Advanced Education in General Dentistry program at Nova Southeastern University.


Dr. Johnson has an eye for aesthetics and especially enjoys cosmetic dentistry. Her research in various areas of dentistry has been published in Dentistry Today and The Journal of the American Dental Association.

Professional Associations

Dr. Johnson has been serving on the Commission of Dental Accreditation since 2003. She is an active member of the following professional organizations:

  • Organization of Special Care in Dentistry
  • American Dental Association
  • Chicago Dental Society
  • Illinois Dental Society
  • Florida Dental Association

Outside the Office

Outside of the office Dr. Johnson stays active with tennis, aerobics and Latin American Dance. She also enjoys pottery and flower arranging. Dr. Johnson volunteers her time at the Oak Park Animal Care League and the Oak Park Conservatory. She and her staff take part in many charitable activities that support the local community and beyond.

Diane Alvarez, DMD

Dr. Diane AlvarezPeriodontist

As a periodontist, Dr. Alvarez is a specialist in the treatment of gum and bone tissue and in the placing of dental implants. She went into dentistry because it allowed her to fulfill her passion for helping others and her love of science. She enjoys getting to meet new people and helping them attain the smiles they have always wanted.

Her expertise lies in her ability to help improve the health of her patients’ gums and the underlying tissue that support the teeth. Her approach to dentistry is to provide expert individualized and patient-centered treatment.

Education and Advanced Training

Dr. Alvarez received her dental degree from the University of Pittsburgh in 2007 and completed her periodontic specialist training at Nova Southeastern University in 2011. She is passionate about periodontics and, through regular continuing education, stays up-to-date with the latest advances in her field.

Baokhoi Bui, DDS

Dr. Baokhoi BuiEndodontist

Dr. Bui is an endodontist, a specialist in root canal therapy. His approach to treatment is to make his patients’ experience as comfortable and pain-free as possible.  Dr. Bui is known for his calming chairside manner and for being excellent at keeping his patients informed of what is going on throughout their treatment.


Dr. Bui earned his dental degree summa cum laude from State University of New York in 2003. He then completed an additional two years of postgraduate education in endodontics, receiving his specialist certificate from the University of Pennsylvania in 2005. His advanced training enables him to provide expert, gentle root canal treatment.

Awards and Scholarships

Dr. Bui has received many awards and scholarships throughout the course of his education and training. This includes the Award in Endodontics from the American Association of Endodontics, the Horace Wells Award from the American Dental Society of Anesthesiology and a Scholarship for Outstanding Clinical Achievement.


Dr. Bui has published articles on endodontics in the Journal of Endodontics as well as the Journal of the American Dental Association.

Outside the Office

Dr. Bui enjoys spending his free time with his family in Fort Lauderdale.

Illeana Arias, DDS

Dr. Illeana AriasGeneral Dentist

Dr. Illeana Arias is experienced in performing all aspects of comprehensive cosmetic dentistry including veneers and ceramic crowns, restorative treatment, and emergency dental care including root canal therapy and extractions. Dr. Arias strongly believes prevention is the key to long term oral health. “It’s my passion to create beautiful smiles and help patients keep them for life.”


Dr. Ileana Arias was born in New York and raised in Santiago, Dominican Republic, where she received her doctoral degree from the Pontificia Universidad Catolica Madre y Maestra (PUCMM) with honors.

Relocating to the United States, she completed her residency training at Columbia University College of Dental Medicine, focusing on cosmetic, implant dentistry and oral surgery.

Professional Associations

Dr. Arias is an active member in the American Dental Association and Florida Dental Association.

Outside the Office

Dr. Arias and her husband have one little boy “Noah”. In her spare time, she enjoys spending time with her beloved family, cooking, running and reading.

Michael Maya DDS

Dr. Michael MayaGeneral Dentist

Dr. Michael Maya has extensive training in cosmetic and restorative dentistry, emergency dentistry, and is an Invisalign provider. He also received post graduate training in implantology, CAD/CAM technology, and root canal therapy. Dr. Maya’s passion for the delivery of pain free dentistry along with his friendly personality keep his patients coming back.


Dr. Maya received his Doctorate of Dental Medicine degree from Boston University Goldman School of Dental Medicine. After graduation, he relocated to New York City where he completed his general practice residency at Wyckoff Heights Medical Center.

Outside the Office

Dr. Maya was born and raised in Miami, FL. When he is not at the office making sure patients understand that “White Teeth Matter,” he enjoys going to the gym, playing sports and playing guitar.

Dr. Libby Finer, DDS

Dr. Libby Finer, DDSDr. Libby Finer was raised in Pembroke Pines, Florida. She attended Boston University where she graduated with a Bachelor of Science degree and then went on to complete her Masters in Biomedical Sciences at Barry University. She continued her education at Nova Southeastern University College of Dental Medicine where she earned her degree of Doctor of Dental Medicine. After graduation, she relocated to Chapel Hill, NC where she completed her General Practice Residency at UNC Hospital. She is excited to join the Premier Smile Center team and work alongside Dr. Charmaine Johnson to provide comprehensive care while building new patient relationships and healthy smiles. She is compassionate and gentle, and continues to keep up to date in all clinical practices to provide you with the best quality of care.

Dr. Finer is a member of the following dental organizations:

  • American Dental Association
  • Academy of General Dentistry
  • Florida Dental Association
  • Alpha Omega Dental Frat

To make an appointment, call (954) 566-7479 or click here to request an appointment online.