Statview 5.0.1 Version 2.09/23/2023 ![]() We found that normally more MnP2 are distally (56.5%) than mesially (25%) inclined. ![]() Each MnP2 was traced, and its developmental stage as well as its angulation to the lower border of the mandible was registered. All patients had two sequential films with a minimal time interval of nine months. Two hundred two panoramic roentgenograms of 101 patients were retrospectively analyzed. This study follows the angular changes of the MnP2 during development. However, impaction or other types of malocclusions due to its ectopic eruption are not rare. On eruption, the tooth, in most cases, is close to being upright. In the early developmental stage of the mandibular second premolar (MnP2), it is not unusual to find the tooth extremely angulated to the lower border of the mandible, as seen in the panoramic roentgenogram.
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