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. 2020 Jul 6;20:189. doi: 10.1186/s12903-020-01181-9

Fig. 2.

Fig. 2

Sites of measurement on the mesio-distal section (a) and on the oro-vestibular section (b). The sites are numbered from mesial to distal and from oral to vestibular in the following manner: 1 - absolute marginal discrepancy (AMD), 2 - finish line (FL), 3 - axial wall (AW), 4 - axio-occlusal angle at cusp (CU), 5 - central of occlusal area (CO), and similarly 6, 7, 8, 9 on the other side of the tooth. The area selection between restoration and the tooth is indicated by N°10. A big red arrow indicates the possible point of the first contact of the restoration