If the models are mounted on an articulator, then the articulated mounting shall determine the proper maxillary and mandibular model relationship. If the proper overjet has been established, then the buccal cusps of the mandibular molars and premolars will contact in the center of the occlusal surfaces, buccolingually, of the maxillary premolars and molars (fig. 24). In the anterior region, the mandibular canines and incisors will contact the lingual surfaces of the maxillary canines and incisors (fig. 25). If this relationship exists, no points are scored.

figure 24

figure 25

If the mandibular buccal cusps deviate 1 mm or less from the center of the opposing tooth (fig. 26), 1 point is scored for that tooth, If the position of the mandibular buccal cusps deviates more than 1 mm from the center of the opposing tooth (fig. 27), two points are scored for that tooth. No more than 2 points are scored for any tooth.

figure 26                                                    figure 27

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