References for normal intercuspal occlusion 1.Consistency of the maxillary and mandibular central lines 2.Each tooth has two antagnists except for maxillary third molars and mandibular first incisors. 3.Normal canine relationship 4.Neutral first molar relationship 5.Normal oberbite and overjet 190>References for normal intercuspal occlusion 1. Consistency of the maxillary and mandibular central lines 2. Each tooth has two antagnists except for maxillary third molars and mandibular first incisors. 3. Normal canine relationship 4. Neutral first molar relationship 5. Normal oberbite and overjet