Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) dentinogenesis imperfecta ?
    ### Response:
    Dentinogenesis imperfecta is a disorder of tooth development. This condition causes the teeth to be discolored (most often a blue-gray or yellow-brown color) and translucent. Teeth are also weaker than normal, making them prone to rapid wear, breakage, and loss.
    