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Superimposition techniques tested in the study.
| Technique | Reference Area | Estimated Overlap |
|---|---|---|
| GS | Adjacent intact teeth and alveolar processes | 100% |
| PC(A) | Buccal surface | 100% |
| PC(B) | Buccolingual surfaces without composite | User defined |
| PC(C) | Complete crown without composite | User defined |
| PC(D) | Complete crown without composite | 40% |
| CC(A) | Complete crown | 40% |
| CC(B) | Complete crown | User defined |
| CC(C) | Complete crown | 20% |
GS: gold standard; PC: partial crown; CC: complete crown.
