These teeth were thoroughly cleansed with curettes and pumice powder, using a rubber cup and low speed hand-piece. After this procedure, for a period no longer than three months, teeth were immersed in distilled water at room temperature to avoid dehydration. Class V cavities were prepared on bucal and lingual surface.
Se limpiaron minuciosamente con curetas y polvo de piedra pómez, usando una copa de hule, con pieza de mano de baja velocidad; después se sumergieron en agua destilada a temperatura ambiente para evitar su deshidratación por un periodo no mayor a 3 meses.