| Type | MGI:General | Description | dramatically reduced layers of dentin in both incisors and molars 6 week old and 3 month old mice fed soft food still exhibit a reduced dentin layer in P7 molars, the normally organized predentin-dentin layered structure is diminished mice show reduced levels of the major noncollagenous dentin matrix proteins DPP and DSP and reduced mRNA levels of Dspp |