【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】67.關於根叉管道修形術（tunnel preparation）的敘述，下列何者正確？(A)適用於有三級或深度二級根叉侵犯（furcation involvement）的下顎大臼齒 (B)接受治療的牙

【評論內容】

Class I < 1/3, 治療方式：flap surgery 清潔

Class II >1/3, 未穿通  治療：flap surgery, tunnel(深度二級) resection extraction GTR (只有下顎大臼齒適用)

【評論主題】72.下列何者為圖中X光影像之最適切診斷？ (A)慢性牙周炎（chronic periodontitis） (B)根尖囊腫（radicular cyst） (C)牙根外吸收（external root

【評論內容】

Lamina dura在根尖處消失 蛀牙嚴重 是屬於pulp infection且根尖處有明顯RL 故推測是radicular cyst 

【評論主題】68.65歲男性因缺牙要求植牙，口內無不適或異常，且無其他系統性疾病。X光檢查發現之左下顎單房性放射線透過性影像，最可能為下列何者？ (A)動脈瘤性骨囊腫（aneurysmal bone cyst）(

【評論內容】Simple bone cyst 通常無症狀 常見於ramus and posterior mandible in older patients ，lesion often shows scallops between roots of the teeth

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】61.在支柱牙牙周狀況良好且齒質結構完整的情況下，下列那顆牙齒缺失，使用三單位牙橋重建有最大風險？(A)上顎犬齒(B)上顎第一小臼齒(C)上顎側門牙(D)下顎第一小臼齒

【評論內容】

Ante’s law: abutment teeth的牙根表面積應大於被取代牙齒的牙根表面積。

因為上顎犬齒的牙根表面積最大,故abutment teeth需要有較大的牙根表面積 若以三單位牙橋重建,風險較大。

【評論主題】75.附圖中X光影像最符合下列何種疾病的病徵？ (A)牙本質形成不良(dentinogenesis imperfecta)(B)牙本質發育不良第一型(dentin dysplasia type I)(

【評論內容】Dentin dysplasia:Type I: Radicular type 牙根變短 沒有canal pulp chamber變小

【評論主題】73.附圖中牙齒周邊的骨質喪失，最可能是下列何種疾病造成？ (A)造牙骨質細胞瘤(cementoblastoma)(B)蘭格罕氏細胞組織細胞增多症(Langerhans'cell hist

【評論內容】Pager’s disease 發生在顎骨時,多以cotton wool形式呈現因此可以排除這個答案Ossifying fibromyalgia通常是RL + RO mixed

【評論主題】71.下列何者符合地中海型貧血(thalassemia) 之影像學特徵？(A) (B) (C) (D)

【評論內容】Thalassemia會表現出hair on end的特徵(Sickle cell anemia也會有)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)

【評論主題】69.下列何者可診斷為牙本質發育不良(dentin dysplasia) ? (A)  (B) (C) (D)

【評論內容】Dentin dysplasia 特色有short poorly developed roots, obliterated pulp chambers和root canals (半月形管腔)