palatally造句

• During mandibular crowding, teeth are often rotated, displaced either palatally or buccally.
• In these cases, the TPA maintain the width of the arch as the palatally displaced canines are brought into occlusion.
• A paper by Zablocki et al . showed negligible statistically significant difference between patients who received TPA vs patients who don't receive TPA . However, many other papers have showed that TPA cannot provider absolute anchorage to prevent any mesial movement of the posterior molar . s Baccetti et al . in 2011 showed additional used of TPA where this appliance could be used in absence of Rapid Maxillary Expander in cases where patient's have Palatally displaced Canine teeth which don't require expansion.