The symptoms and indicators of dentin dysplasia type II are similar to Those people of dentinogenesis imperfecta. Even so, dentin dysplasia type II has an effect on the principal teeth Substantially more than the long term teeth.????? ?? ???? ? ??? ???? ??? ?? ??? ?? ??? ?????? ??? ?? ?????? ??? ?? ??? ?? ?? ?? ??? ?????? ???? ?? ??? ?? ??? ?? ? ??