Congenital missing of mandibular permanent incisors with retained primary incisors may jeopardize the esthetic appearance and psychological development of children. especially during the years of transition into adolescence. The retained primary teeth are necessary for the maintenance and normal development of alveolar bone. which in turn is essential for future definitive rehabilitat... https://www.getpureroutine.com/special-pick-aus-309-darwin-to-penguin-shoal-fashion-great-offer/