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Meet Our Doctors

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Meet Our Doctors

Amjad Alqazaha DDS

General Dentist

Dr. Amjad Alqazaha graduated dental school in 1997 from Volgograd Medical Academy in Volgograd, Russia. After graduating dental school, he pursued his passion for surgery by completing a three-year residency in Oral Surgery at the Volgograd Regional Hospital. Dr. Alqazaha practiced for several years in private practice before coming to the United States and earning his dental degree from The University of Illinois at Chicago in 2012.

After graduating from UIC, Dr. Alqazaha worked as an associate in a private dental practice until he decided to take his dream to the next level. He joined Dr. Bogdan Sinjoanu and opened AB Dental Center in Chicago. His vision is to provide his patients with a full range of high-quality dental procedures backed up by his 20+ years of experience and the state-of-the-art technology available at AB Dental Center.

Dr. Alqazaha is a member of the American Dental Association, Illinois State Dental Society, Chicago Dental Society and a fellow of the International Dental Implant Association.

Living and working in different countries with different cultures and languages gave Dr. Alqazaha the ability to approach each patient individually and navigate his treatment to best meet their needs. Dr. Alqazaha is fluent in English, Arabic, and Russian.
Dr. Alqazaha resides in Orland Park, IL with his wife and three children.


Bogdan Sinjoanu DDS

General Dentist

Dr. Bogdan Sinjoanu is originally from Romania, where he went to dental school at the University of Medicine and Pharmacy, Timisoara, which he completed in 2002. He earned his US dental degree from the University of Illinois at Chicago in 2009.

After completing his education, he continued to regularly attend training programs in the fields of endodontics and implant dentistry. After providing his patients with experienced dental care throughout several offices in the Chicagoland area, he decided to follow his dream of opening his private practice. He co-founded AB Dental Center in 2018. With several office staff fluent in Spanish and Polish, Dr. Sinjoanu and his practice are well in tune to the local community. He takes great pride in the care provided by the AB Dental Center team and his passion is driven by the bonds he builds with his patients and the enjoyment he holds in keeping their smiles healthy.

Dr. Sinjoanu resides in Chicago with his wife and two children. In his spare time, he enjoys watching and playing soccer, as well as a good read.

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