A 22-year-old patient addressed an orthodontist with complaints of incorrect teeth placement on the upper jaw. The appearance is without changes. Occlusion is permanent. The first molar relation is of the 1-st type according to Angle’s classification. Analysis of the control diagnostic models revealed the disturbance of the Andrews’ second key of optimal occlusion of the 12 and 22 teeth. The patient suffers from:

Question

Answer options

Maxillary teeth contact
Spee curve concavity
Cusp-to-fissure contact between the first permanent maxillary and mandibular molars
Angulation of the maxillary teeth
Axial rotation of the teeth

Correct answer

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