The 21st century has been defined as the age of biology [...]

Modern literature sources on melatonin are analyzed, and its role in certain systems of the human body is characterized. Melatonin a universal molecule that present almost every living organism, from bacteria to humans. In vertebrates, addition production by peripheral tissues, synthesized centrally pineal gland.The aim work systematize data melatonin, biological role, effectiveness therapy var...

OBJECTIVES Chlorhexidine (CHX) is one of the most widely used antiseptic, especially in dentistry. At low concentrations CHX is bacteriostatic and at high concentrations acts bactericidal causing cell death by cytolysis. In this study, we performed a systematic review of pharmaco-biological activity and application of CHX. MATERIALS AND METHODS Articles for inclusion in this review were retri...