精華區beta NTUdent89 關於我們 聯絡資訊
姚宗珍醫師 選擇,填充,問答(44%) 1.Why it's more difficult to perform orthodontic treatment in periodontally compromised patients VS. regular patients ? Please give both biomechanical and biological reasons. 2.Which type of orthodontic tooth movement needs least amoung of force ? a)ratation b)tipping c)extrusion d)intrusion 3.Which type of orthodontic tooth movement takes place very fast ? a)bodily movement b)tipping c)intrusion d)extrusion 4.When root resorption happened,which kind of tissue cannan be found to repair the original lesion site? a)Cementum b)PDL c)Bone d)Dentin 5.Describe the histological feature of hyalinization and possible cause 8.Please describe advantages for molar uprighting.(2%) 9.How would u do differently when u have intention to cause root mesializtion but not crown distal tipping during activation of T-loop uprighting spring(1%) 10.helical spring 的wire插入mesial shift molar 的tube後 mesial hook 會在premolar 的上面還下面?(我有問㊣助教所以我記得..) 12.Force Eruption 優點 (跟crown lengthening比較) 13.如果#13有大caries, remove掉後市under alveolar bone 1mm,這樣如果要做 prosthodontic treatment的話 force eruption 要多少? a)3mm b)4mm c)5mm d)6mm 17.What side of incisors besides the apex will you see root resorption easily when the incisors are bodily retracted a.buccal b.lingual