Table 6 Occlusal cant index (OCI)
Grades | Degree | Side | Descriptions |
|---|---|---|---|
Grade 0 | 0° | No OC is present (the OP is parallel to the true horizontal plane) | |
Grade I | 1° | Right | The OP is tilted down on the right side by 1° |
1° | Left | The OP is tilted down on the left side by 1° | |
Grade II | 2°–3° | Right | The OP is tilted down on the right side by 2–3° |
2°–3° | Left | The OP is tilted down on the left side by 2–3° | |
Grade III | ≥ 4° | Right | The OP is tilted down on the right side by ≥ 4° |
≥ 4° | Left | The OP is tilted down on the left side by ≥ 4° |