Fig. 2From: Deviations in palatal region between indirect and direct digital models: an in vivo studyRepresentations of colour-coded maps. In an absolute colour map (a), blue indicates nearly no deviation and red indicates larger deviation. In a signed colour map (b), (+) expresses the local relation between shells of Groups Tr and S such that this part of Group S is located beneath and (−) reflects the reversed local relationBack to article page