Mandibular central incisor radiograph

  • Horizontal overlapping less than 1/2 the enamel thickness at contact between central and lateral incisors
  • Horizontal overlapping less than 1/2 the enamel thickness at contact between central incisors
  • Mesial and distal aspects of each tooth entirely visible on at least one radiograph
  • At least 2mm of bone visible beyond the lamina dura of all erupted teeth
  • Cusp tips of both teeth visible
  • Images of roots longer than images of crowns (> 2:1 root/crown ratio)
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