Seymour Karl Rettinger, D.D.S., 90, formerly of Middlebury

Seymour Karl Rettinger, D.D.S., 90, formerly of Middlebury

SEYMOUR KARL RETTINGER, D.D.S. PLACENTIA, Calif. — Seymour Karl Rettinger, D.D.S., passed away June 6, 2026, at age 90. Born in New York City, he earned his dental degree from Columbia University and served as an officer in the U.S. Air Force. He practiced general dentistry at Rockefeller Center in Manhattan for decades before retiring first to Cornwall and then Middlebury, Vt., where he founded Addison County Dental Care. He later moved to San …