@齒顎矯正每日一說~~0225 buccal shelf m

頰棚骨釘主要也是做全牙列後退用,在安全區使用它的骨頭厚度跟上顎顴骨下脊處也是一樣最豐厚的,所以能提供較穩定的支抗,以抵抗後退時的拉力,一般會露出頭約5mm左右,mucogingival junction的位置是不錯的選項,

@齒顎矯正每日一說~~0225 buccal shelf m

Primary failure rate for 1680 extra-alveolar mandibular buccal shelf mini-screws placed in movable mucosa or attached gingiva. | Semantic Scholar

Tomographic mapping of buccal shelf area for optimum placement of bone screws: A three-dimensional cone-beam computed tomography evaluation - APOS Trends in Orthodontics

SciELO - Brasil - Biomechanics of extra-alveolar mini-implants Biomechanics of extra-alveolar mini-implants

Prof. Adrian Becker: Newsletters Archive

@齒顎矯正每日一說~~0225 buccal shelf m

本診所案例使用的上顎顴骨下脊與下顎頰棚的骨釘,植入後不會立即拉,以分牙圈套住以免對頰黏膜的刺激

courtesy of dr. chris chang

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