Using the patient's cast as reference, the lab starts to create the wax version of the gum line. The teeth, made of acrylic resin - a material that looks very similar to real teeth - are set in place.

In a video capturing the meeting between the Scottish actor and his wax clone, the 31-year-old was left shocked and giggling at the uncanny likeness. "Oh God. It's the teeth. The teeth are so ...