Other Research Study ✓ Peer reviewed

Technical note: clinical observations of a modified BOPT protocol with advanced surface refinement.

The Saudi dental journal · Kassab R, Hasan A · 2026-07-28

A modified tooth preparation technique combining piezoelectric refinement, subgingival polishing, and ultra-polished zirconia crowns was applied to 35 teeth in four patients, maintaining stable gingival margins and increasing gingival thickness over 12 months.

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