Figure 5.

The labeled mineral layer is directly distributed outside of the Gli1-tomato or the 2.3 Col1-GFP marked odontoblast processes. a. The red dentin tubules reflect the color of the Gli1-Cre activated tomato expression in odontoblast processes; and the 4 hour-calcein labeled mineral matrix distributes to throughout dentin areas with a close link to all odontoblast-processes.; and b. The distribution pattern of green dentin tubules with red mineral collars is identical to that in a. Data support the notion that mineralization takes place along with entire odontoblast processes.