Surgery When Class III elastics are used, the maxillary first molars will _____. A Move distally and intrude B Move mesially and extrude C Move mesially and intrude D Move only mesially; there will be no movement in the vertical direction 💡 Explanation When Class III elastics are used, the maxillary first molars will _____. ✓ Correct Answer: B. Move mesially and extrude