WE MAKE PEOPLE SMILE
Serving Patients Since 2003
Looking for comfortable, confident and convenient care from dentists in Plainfield or Naperville? You've come to the right place. From the minute you walk into our office you will notice a difference at Pinnacle Dental Group. We care about you, your family and your friends, and we're here to help you achieve your healthiest, brightest smile.
At Pinnacle Dental Group we know every person's dental needs are unique. That's why we offer a comprehensive selection of treatment options in a comfortable, convenient atmosphere. We're confident we can provide superior dental care that no other dentist in Plainfield/Naperville can offer. We specialize in improving smiles.
Meet Our Dentists
Get to Know the Experts Behind Your Care.
Dr. Justina Mockunas, DDS – Plainfield Dentist
Dr. Justina Mockunas is an internationally trained dentist with advanced clinical expertise and a strong commitment to excellence in modern, technology-driven dentistry. She completed the Advanced Standing Program at NYU Langone Health, earning a Certificate in Advanced Education in General Dentistry (AEGD) through an intensive two-year residency program at NYU Langone Health.
As a dedicated implantologist, Dr. Mockunas focuses on immediate dental implants, advanced oral surgery, and comprehensive full-arch rehabilitation, including All-on-X procedures. She is a graduate of the Full Arch Master Intensive Program in Advanced Implant Surgery and an ambassador of the Zero Bone Loss Concept Group, reflecting her commitment to biologically driven, long-term implant success. Dr. Mockunas has also completed advanced training in IV sedation, allowing her to provide complex surgical care in a safe, comfortable, and controlled environment.
Her advanced surgical education includes specialized training in sinus lift techniques, along with continued education through Spear Education. She has completed all levels of CEREC digital advanced dentistry courses and is a recognized mentor in digital dentistry, further strengthening her expertise in fully digital, prosthetically driven treatment planning.
Dr. Mockunas has designed and operates a fully integrated in-house digital dental laboratory, equipped with CEREC same-day crown technology, advanced 3D scanners and printers, and the iCam photogrammetry system, which captures highly accurate three-dimensional implant positioning data—ensuring precision, predictability, and superior outcomes for complex implant cases.
In addition to surgical excellence, Dr. Mockunas has a deep understanding of esthetic dentistry and cosmetic requirements, with advanced training in facial symmetry and smile design. Her approach emphasizes long-term oral health, functional stability, and natural esthetics. Known for her calm and compassionate demeanor, she is especially skilled in caring for patients with dental anxiety, creating a supportive and reassuring treatment experience.
Committed to continuous professional growth, Dr. Mockunas travels internationally to study and implement the latest evidence-based dental techniques and technologies. Outside of clinical practice, she enjoys traveling with her family, reading dental-focused literature and scientific research, and continually expanding her knowledge, always striving to deliver the highest standard of care to her patients.
SERVICES
Precise ceramic restorations: crowns and bridges, made using advanced technology 3D software.
Elimination of teeth defects, or the correction of the teeth's shape, color and arrangement.
Quick and precise teeth implantation procedure, performed almost painlessly, without cutting the gum.
Explore Our Dental Office
Modern, welcoming, and designed with your comfort in mind — experience the care you deserve in a space that feels like home.
Accreditations
What Our Patients Are Saying
Honest Feedback. Exceptional Care. Trusted by Families Across Our Communities
Contact Our Plainfield Office
Whether you're scheduling a checkup, exploring treatment options, or simply have a question, our Plainfield team is here to provide the support and care you need. Fill out the form below and we’ll be in touch shortly to assist you.
