Meet the Doctors at Chester County Oral Surgery & Dental Implants

The team of doctors at Chester County Oral Surgery & Dental Implants bring decades of experience, education, and training to the office every day. Each is certified by the American Board of Oral and Maxillofacial Surgery. Among our doctors’ areas of expertise are wisdom teeth removal, dental implants, bone grafting, jaw surgery, and oral pathology. Our team of specialists can help you overcome these issues and more from our offices in Kennett Square, PA and West Chester, PA. Give us a call to learn more about how we can help you.

Also boasting a lengthy tenure in the area, Dr. Cynthia Trentacosti has provided Chester County residents with oral care since 1994. In addition to being certified by the American Board of Oral and Maxillofacial Surgery, she is certified by the National Board of Dental Anesthesia. Dr. Trentacosti has a particular interest in anesthesia, which is why she has helped develop Pennsylvania-wide guidelines for its use.

Dr. Amin Kazemi, DMD, MD, is a board-certified oral & maxillofacial surgeon with a passion for patient-centric care. Dr. Kazemi received his dental degree, medical degree, and oral & maxillofacial surgery from the University of Pennsylvania. Dr. Kazemi has over 20 years of experience specializing in dental implant placement, wisdom teeth removal, bone grafting, anesthesia, and corrective jaw surgery.

Dr. Michael Walker is a board certified member of the American Association of Oral and Maxillofacial Surgery, the American Medical Association, and the American Dental Association. Dr. Walker is also a highly-sought presenter at local and national conferences focused on maxillofacial surgery. Additionally, Dr. Walker is passionate about serving others, having volunteered for organizations including Give Kids a Smile and the Special Olympics.

Dr. Bradley T. Belous is board certified by the American Board of Oral and Maxillofacial Surgery with extensive training in advanced surgical and anesthesia procedures. It is his goal to provide every patient with an optimal experience through safe and compassionate care combined with cutting-edge technology.

Dr. Sierra obtained his Doctor of Dental Medicine (DMD) degree from Harvard University in 2017. Dr. Sierra then obtained his Doctor of Medicine (MD) degree and completed his oral and maxillofacial surgery residency at the University of Pennsylvania. While in residency, he served as chief resident and cared for patients at The Children’s Hospital of Philadelphia, The Hospital of the University of Pennsylvania, Presbyterian Hospital and Pennsylvania Hospital.

If you have wisdom teeth pain or need a dental implant procedure, contact Chester County Oral Surgery & Dental Implants. Our expert doctors specialize in these issues as well as a host of other oral and maxillofacial surgical procedures. Drs. Gustainis, Trentacosti, Kazemi, and Walker have extensive experience and training in the field. But, more importantly, they share a passion for providing unparalleled patient care to the residents of Chester County. Each works out of our offices in Kennett Square, PA and West Chester, PA as needed. Contact us today to schedule an appointment that is most convenient for you.

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Monday – Wednesday

8:00am – 5:00pm


7:00am – 5:00pm


7:00am – 2:30pm