| Drill | D-SOLV’ |
|---|---|
| The cavity formed is fairly symmetrical and it removes tissue. | The cavity formed is uneven and follows the spread of the lesion. |
| Even sound tissue is removed and the pulp can also be exposed. | No sound dentine is removed. |
| Invasive | Minimally –invasive |
| Powerful | Careful |
| Low precision | Highly precise |
| Non-selective | Selective (removes carious dentine) |
| Often painful | Minimum of pain. |
| Unpleasant | High comfort for patients |
