opposing teeth in a variety of positional relationships of the jaw the skilled person will recognize that the removal of the overlap may comprise providing a small space between the trimmed dental restoration representation and the opposing tooth or teeth this may avoid for interferences between the final dental restoration and opposing teeth for example which may arise due to tolerances during manufacturing of the dental restoration or during placement of the dental restoration in a patent 39 s mouth the skilled person will be able to provide further methods of shaping a representation of a dental restoration for example the preliminary representation of the dental restoration may be obtained by automatic or manual design by scanning at least a portion of the tooth to be restored or a combination thereof further instead of trimming an oversized representation an undersized preliminary representation may be virtually grown until it virtually abuts the surface of one or more of the opposing teeth it may also be possible to provide a final representation of a dental restoration without starting at a preliminary representation for example the constraints provided by the teeth opposing the tooth to be restored may be used to automatically create a representation of the occlusal face of the dental restoration this representation of the occlusal face may then be automatically completed by lateral faces for example shaped according to constraints provided by a tooth or teeth adjacent the tooth to be restored the trimmed grown automatically created or preliminary representation of the dental restoration may further be provided with fissure structures for example manually by using a cad system to make the final dental restoration resemble a natural tooth after shaping the representation of the.