Dental Office

What our patients say about us
I have only been going here for a few months but I absolutely love this dental office. Everyone is so friendly and the dentists explain EVERYTHING. He even let me see my X-rays to help better understand what my issues were. I love this office and won't go anywhere else!
Melanie R.
Our Services
The treatments you need for excellent dental health
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Meet Our Team

Optima Dental Associates, LLC - Meet Our Dentists

Saqib H. Mohajir, DMD - Owner

 Saqib H. Mohajir DMD

Dr. Saqib H. Mohajir was born and raised in the southwest suburbs of Chicago. He graduated from Case Western Reserve University School of Dental Medicine, a highly accredited, and nationally recognized dental school. His emphasis on patient comfort as well as keeping up-to-date with the latest advancements in dentistry enable him to provide his patients with the best quality of care in the field. A trusted dentist in Tinley Park, Dr. Mohajir has a wide range of experience in different areas of dentistry, from cosmetic and restorative dentistry to dental implants and orthodontics.

After completing a rigorous continuum on dental implants, Dr. Mohajir has achieved Fellowship status with the American Dental Implant Association. He is also a member of the American College of Maxillofacial Implantology. This advanced training has given him the tools and experience necessary to confidently place and restore dental implants throughout the jaw.

He is also a member of the American Dental Association, the Illinois State Dental Society and the Chicago Dental Society. Dr. Mohajir continues his post-doctoral education with seminars and study programs, keeping him up to date with the latest breakthroughs in dental technology.

When he's not at the office, Dr. Mohajir loves to spend time with his wife and three children. He enjoys reading, and studying martial arts. He is a practitioner of the art of Jeet Kune Do (JKD).

Dima Sibai, DDS - Associate Dentist

 Dima Sibai DDS

Dr. Dima Sibai is a graduate of the University of Illinois Chicago College of Dentistry. She continues to keep up-to-date with the latest advances in dentistry by attending continuing education courses. Dr. Sibai is an active member of the American Dental Association, the Illinois State Dental Society, the Chicago Dental Society, the Academy of General Dentistry, the American Association of Dental Sleep Medicine, Invisalign, and several other dental associations.

A trusted dentist in Tinley Park, for Dr. Sibai, there is no greater reward than making her patients happy and confident about their smiles. She enjoys treating both adults and kids and believes that a healthy smile starts at an early age. Dr. Sibai values patients’ education and feels that every patient should be able to make informed, educated choices for their dental treatment. She takes the time to explain to her patients what to expect before, during, and after each procedure. "My top priority is the well-being and comfort of my patients," Dr. Sibai said. "I always listen to the concerns and goals of every patient and create a personalized treatment plan that addresses their needs and concerns."

In her free time, Dr. Sibai loves to spend time with her family and friends. She enjoys biking, cooking, and traveling.

Mustafa Alkhawaja, DDS - Associate Dentist

 Mustafa Alkhawaja DDS

Dr. Mustafa Alkhawaja was raised in south suburbs of Chicago. He attended dental school at the University of Illinois at Chicago where he attained his DMD. After graduation, Dr. Mustafa returned to the Chicago suburbs where he is now serving his community. His goal and passion has always been to provide quality care in the most comfortable setting possible. His love for dentistry ensures he continuously broadens his skills through continual education courses and seminars. This enables him to excel in his field and effectively provide a wide range of treatment options.

Dentist in Tinley Park Dr. Mustafa is a certified Invisalign provider, a great clear braces choice with no metal brackets or wires. He is a member of the American Dental Association (ADA), as well as a part of the local chapter - Illinois State Dental society (ISDS) and The Chicago Dental Society (CDS).

Outside the office, Dr. Mustafa enjoys spending his time with his wife. He enjoys outdoor activities and sports, as well as spending time at the gym focusing on his health.

Give us a call to schedule your next appointment.