Perbedaan Efek Antibakteri Ekstrak Etanol Lada Hitam (Piper Nigrum L.) dengan Ekstrak Etanol Lada Putih (Piper Nigrum L.) terhadap Streptococcus Mutans secara In Vitro

by Irresta Zainistya Putri, M Chair Effendi, Sumarno Sumarno
Published 2017-06-01

The effect of soda immersion on nano hybrid composite resin discoloration

by M. Chair Effendi, Yuli Nugraeni, Rizki Widya Pratiwi
Published 2014-03-01