About The Doctors

Dr. DeMarco, Casella,Walbridge and DeMarco D.M.D.'s

Dr. David John DeMarco was born and raised in Erie, Pa. He is a 1976 Cathedral Prep graduate and a 1981 graduate of Gannon University, receiving a Bachelor of Science degree. He earned his Doctor of Dental Medicine degree from Temple University in 1986. He has been in practice at his current location in the Modern Tool Building since 1986.

 He is a member of the American Dental Association, the Pennsylvania Dental Association and the Erie County Dental Association. In 2003 he completed a one year peer practicum in implant dentistry. This course covered all phases of implant reconstruction. He has also completed hundreds of hours of continuing education courses in all phases of prosthetic reconstruction and esthetics.

Dr. DeMarco has been married to his wife Lisa since 1981, and enjoys spending his free time with their five children. 

Dr. Shawn Casella has been practicing dentistry since 1989. He is a lifelong Erie resident, while leaving Erie to pursue his education. After attending Fairview High School and graduating in 1981, he earned his Bachelor of Science degree from Allegheny College in 1985. He then received his Doctor of Dental Medicine degree from the University of Pittsburgh School of Dental Medicine in 1989. Following dental school, he began his dental career at his current location in the Modern Tool Building and has been there since. Dr. Casella is a member of the American Dental Association and the Erie County Dental Association.

Dr. Casella enjoys spending his free time with his wife, Laura, and their four children. 

Dr. Seth Walbridge grew up in Conneaut, Ohio where he graduated from Conneaut High School in 2001. He went on to graduate from Allegheny College in 2005 earning his bachelor of Science degree in Biochemistry, with a minor in Theology. His education continued in Philadelphia where he earned his Doctor of Dental Medicine degree from Temple University in 2010. He is excited to be back in the Erie area after finishing dental school.

He is a member of the American Dental Association, as well as the Academy of General Dentistry.

Dr. Walbridge  enjoys spending his free time with his family and friends, and is looking forward to the Erie winters for a chance to ski and snowboard.

Dr. David James DeMarco is the son of Dr. David DeMarco, and he grew up in Erie,Pa. After graduating from Cathedral Preparatory School in 2003 he went on to recieve his Bachelor of Science degree from John Carroll University in 2007. He then continued his education in Philadelphia, and in 2011 he obtained his Doctor of Dental Medicine Degree from Temple University.