Delayed development and eruption of all the permanent molars is a rare phenomenon. which can cause disturbance in the developing occlusion. The eruption of permanent first and second molars is very important for the coordination of facial growth and for providing sufficient occlusal support for undisturbed mastication. In the case described. https://www.nacrack.com/hot-mega-Smock-Frock-SF-185-great-buy/