Dental bleaching was a procedure to reduce the tooth stained chemically. The discoloration of tooth were caused by physiologic factor and patologic factors which divided into extrinsic and intrinsi…
Kemajuan pembangunan suatu bangsa dapat diukur melalui keberhasilan dalam penyediaan infrastruktur melalui sektor konstruksi. Agar pengembangan sektor konstruksi berjalan produktif, efisien, dan ef…