Randomized Clinical Controlled Trials (RCCTs) have been considered to be the ‘gold standard’ for assessment of the clinical performance of restorations by Brocklehurst and Hoare,5 these workers adding...

Zinc phosphate cement was introduced circa 125 years ago. Despite its shortcomings, which include solubility in the dilute organic acids found in plaque, and poor tensile strength, it remains in use...