Dental Placing a ring liner approximately 3.25 mm short of the ends of the ring tends to A Produce a more uniform expansion and the expansion will not be in a vertical direction hence no distortion B Produce a more uniform contraction C Produce no change D Produce distortion π‘ Explanation Placing a ring liner approximately 3.25 mm short of the ends of the ring tends to β Correct Answer: A. Produce a more uniform expansion and the expansion will not be in a vertical direction hence no distortion