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| Elements | Dentine region | Pulpar region | ||||
|---|---|---|---|---|---|---|
| SB | FWD | SWD | SB | FWD | SWD | |
| Oxygen | +++ | - | - | - | + | - |
| Calcium | +++ | +++ | + | - | - | - |
| Phosporous | - | +++ | ++ | - | - | - |
| Chlorine | - | - | +++ | - | - | - |
The + for elemental percentage was given based on the r value. r>0·3= +, r>0·5=++ and r>0·7= +++.
