Ghislain Cohen, DDS

Dr. Keri Xi Chen was born and raised in Guangzhou, China before moving to the United States at 18. She received a Bachelor of Science degrees in Biochemistry and Applied Mathematics from Rice University in Houston TX. Additionally, she earned her Doctor of Dental Medicine degree at the University of Pittsburgh School of Dental Medicine and received her Certificate in Prosthodontics from the University of Illinois in Chicago. Dr. Keri enjoys the challenges of comprehensive treatment planning and desires to treat complex cases and provide high quality and esthetic restorative care. This leads her to pursue specialty training in Prosthodontics and be a member of ClearChoice Dental Implant Center in Pittsburgh.

Dr. Zachary Raffensperger was born and raised in Lancaster County, Pennsylvania. He moved to Pittsburgh to attend the University of Pittsburgh and earned a degree in Mathematics before moving on to achieve his Doctor of Dental Medicine at the University of Pittsburgh School of Dental Medicine as a third-generation dentist. After completing dental school, he remained at the same institution and earned his Certificate of Prosthodontics, focusing on full mouth rehabilitation, implant dentistry, crown and bridge, and cosmetic dentistry. Dr. Raffensperger has been a member of the American College of Prosthodontists, the International Congress of Oral Implantologists, and the American Dental Association.