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Timed and spatial expression of proteins by follicle cells, PDL cells and cementoblasts during tooth root formation
| Probe | d 19–25 | 26–31 | 32–adult | ||
|---|---|---|---|---|---|
| DF | DF | CM | PDL | CM | |
| Type I Col | + | + | + | + | + |
| Type XII Col | − | + | −/+ | + | + |
| OPN | − | − | + | −/+ | + |
| BSP | − | − | + | − | + |
| OC | − | − | + | − | + |
DF = dental follicle; CM = cementoblast; PDL = periodontal ligament; Col = collagen; OPN = osteopontin; BSP = bone sialoprotein: OC = osteocalcin. Symbols: − no response; + response; −/+ very weak response.
