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high

1. proclination

2. MUCOSA Color Thickness Condition

3. COLOR

4. THICKNESS

5. CONDITION Class I- Healthy Class II- Irritated Class III- Pathological

6. RESIDUAL ALVEOLAR RIDGE

7. ARCH SIZE CLASS I LARGE BEST FOR RETENTION AND STABILITY CLASS II MEDIUM GOOD RETENTION AND STABILITY BUT NOT IDEAL CLASS III SMALL DIFFICULT TO ACHIEVE GOOD RETENTION AND STABILITY Arch size = amount of basal seat available Increased Arch Size → More Stability & Retention