Question 103 · LDEK · Model analysis
Andrew's Keys of Occlusion do not include:
- A. crown angulation 'tip'.
- B. crown inclination 'torque'.
- C. a state in which rotated alongside their long axis molars or premolars occupy more space in the dental arch and rotated incisors occupy less space than in the normal position.
- D. interproximal contact - contact points between adjacent teeth should be kept.
- E. deep curve of Spee, at least 2.5 mm.
Hint
Andrews derived his keys from ideal untreated occlusions: were their occlusal planes flat or markedly curved?
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