The school mainly consists of male students/teenagers with the age in range of 13 to 17 years old and thus, most of them are experiencing hormonal changes symptoms. Due to this, excessive oily sebum is generated by their skin. The sebum interacts…

"Technical Field" Here we describe a novel formulation for a two-step etch-and-rinse adhesive for teeth filling, based on an antimicrobial and potent collagen crosslinking agent (tooth therapy), which combines antimicrobial…