Contemporary periodontal instrumentation 2026-02-15T18:20:04+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Schoen, Diane H.; Dean, Mary-Catherine (W.B. Saunders, 1996)