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The CDCA/ADEX all-ceramic anterior crown prep (typically tooth #9) requires 1.5–2.0 mm of incisal reduction, a 1.0 mm rounded shoulder margin, and a total taper of 6–10 degrees. Proper technique includes two-plane facial reduction and verification using putty indices to avoid critical deficiencies, such as excessive taper or inadequate margin reduction. Review the official criteria and techniques at ADEX 2026 . CERAMIC CROWN PREPARATION - ADEX 2024
The CDCA/ADEX all-ceramic anterior crown prep (typically tooth #9) requires 1.5–2.0 mm of incisal reduction, a 1.0 mm rounded shoulder margin, and a total taper of 6–10 degrees. Proper technique includes two-plane facial reduction and verification using putty indices to avoid critical deficiencies, such as excessive taper or inadequate margin reduction. Review the official criteria and techniques at ADEX 2026 . CERAMIC CROWN PREPARATION - ADEX 2024
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