Thermo-mechanical loading of innovative “Mini-skirt” preparation design versus conventional full-coverage maxillary central incisor preparation design: an in vitro study
Conventional full-coverage anterior crown preparations for zirconia often require substantial enamel and dentine reduction and may concentrate palatal-cervical stresses, risking marginal discrepancy and compromised seal. A conservative “Mini-skirt” (MS) design that positions the palatal finish line coronally (above the...