Table 1.
Comparison of the number of gold particle-antibody complexes/ m2 after labeling for collagenous and non-collagenous proteins in dentin areas of sound primary teeth and teeth affected by type I dentinogenesis imperfecta.
| Sound primary teeth (n=20) |
DGI-I affected teeth (n=20) |
P value | |
|---|---|---|---|
| Collagenous proteins | |||
| Type I collagen | 8.53±2.47 | 10.44±4.92 | 0.13 |
| Type VI collagen | 4.68±0.15 | 11.83±3.56 | <0.001* |
| Non collagenous proteins | |||
| Chondroitin sulphate | 8.98±1.81 | 1.58±0.61 | <0.001* |
| Dentin matrix protein 1 | 21.93±5.65 | 20.32±6.17 | 0.22 |
| Osteopontin | 6.48±1.77 | 7.73±2.59 | 0.083 |
| Biglycan | 6.34±0.94 | 2.30±0.31 | 0.071 |
DGI-I, type I dentinogenesis imperfecta. All values are expressed as means and standard deviations (SD).
*Statistical difference at P<0.05.