Minimally invasive dentistry is a technique that has developed a new approachfor addressing dental decay and the preservation of tooth. It is a philosophy that is developed to reduce restorative procedure time, pain and stress, and decrease patient anxiety. This concept is based on the assessment of a patient's caries risk and the application of the current therapies to prevent, control and treat the disease. It is often referred to as treating dental caries with a biologic, therapeutic, or medical model.