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The steps of the crown-lengthening surgery: (a) The abutments after the removal of the old restorations and a preliminary preparation before the surgery; (b) Predefinition of the gingival margins using the surgical guide and the Lasotronix Smart M Pro laser; (c) The limits of the new gingival margins after the removal of the surgical guide; (d) The aspect of the prosthodontic field after the piezo and laser surgery.
