“…Although direct adhesive restorations are reportedly three to four times less wear resistant than gold and ceramic restorations, additive techniques can be easily employed where required for attaining adequate restorative thickness and/or repair. In general, direct adhesive restorations permit the conservation of tooth structure, which is particularly important for younger patients and can achieve favourable aesthetic and functional outcomes with a relative reduction in biological and financial costs 20,25 . For challenging occlusal rehabilitation cases, the use of a direct adhesive restorative technique allows clinicians to monitor how a patient adapts to the new occlusal scheme, and also the stability of such changes, whilst maintaining the therapeutic flexibility to make alterations where required.…”