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Fig. 2 | Head & Face Medicine

Fig. 2

From: Accuracy of intraoral scans in the mixed dentition: a prospective non-randomized comparative clinical trial

Fig. 2

Three examples of errors between plaster cast and intraoral scan. Left column (case 26l): Artifacts of tooth shape which may arise from chemical bonds between hydroxylapatite and alginate. Middle column (case 16u): Relief of the tray during incomplete setting of the alginate could result in distortions of teeth. Right column (case 19u): Incomplete flow of alginate pretends gingival coverings which does not exist. [scanned plaster cast in blue; colored deviation mesh; intraoral scan in grey]

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Head & Face Medicine

ISSN: 1746-160X

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