EFFECT OF DESIGN CHANGING OF RING CLASP ON ITS RETENTIVE FORCE: EFEK PERUBAHAN DESAIN RING CLASP TERHADAP KEKUATAN RETENSI. Dentika Dental J. [Internet]. 2010 Jul. 7 [cited 2026 Feb. 5];15(1):6-9. Available from: https://idjpcr.usu.ac.id/dentika/article/view/1679