【評論主題】68.下列關於肌梭(muscle spindles)的敘述,何者錯誤?(A)對肌肉長度改變的感受器(B)由 nuclear bag 與 nuclear chain 兩種梭內肌纖維(intrafusal
【評論內容】
感覺 Ia II
運動 r
【評論主題】59.如圖所示,照射病人左側下顎臼齒區時,如果A、B、C、D四點都距離病人180公分,那一點測得之輻射劑量最低? (A)A(B)B(C)C(D)D
【評論內容】90-135度
【評論主題】70.一名20歲男性因美觀問題求診,他全口的牙齒都有嚴重磨耗的情形,其後牙的根尖片如圖。他可能罹患何種疾病? (A)Amelogenesis imperfecta(B)Dentinogenesis i
【評論內容】
dentinogenesis imperfecta: normal size, constricted in CEJ (bulbous appearance), short root, pulp obliteration
odontogenesis imperfecta: ghost teeth, large pulp
【評論主題】36.有關帶狀疱疹感染後神經痛之敘述,下列何者正確?(A)侵犯三叉神經時,以下顎支最常見(B)以年輕人居多(C)侵犯顏面神經時稱為侖謝亨特症候群(Ramsay Hunt Syndrome)(D)約有2
【評論內容】
A)CN5-1 most
B)elder 60up
C)correct. CN7&8 will be affected→ facial paralysis, vertigo, deafness
D)60~70%
【評論主題】35.施行勒福一型(LeFort I)正顎手術,若做大幅度移動,有關術後穩定性,下列何者最差?(A)前置(anterior reposition)(B)後置(posterior reposition)
【評論內容】
due to masticatory muscles bringing mandible to occlusion and posing a force on maxilla
【評論主題】23.牙周膜(PDL)持續承受壓力時,下列敘述何者錯誤?(A)小於1秒,PDL未被壓縮,齒槽骨彎曲,產生壓力電位(B)1~2秒,PDL內組織液被擠出,但牙齒在PDL內不會產生位移(C)3~5秒,PDL
【評論內容】
<1 alveolar bone bending, no PDL fluid
1-2 PDL fluid, PDL deformity
3-5 vessels occluded on pressure
minutes PG and cytokine released, no blood flow
hours cell death
3-5 days undermining resorption
7-14 days tooth movement
【評論主題】68.下列關於肌梭(muscle spindles)的敘述,何者錯誤?(A)對肌肉長度改變的感受器(B)由 nuclear bag 與 nuclear chain 兩種梭內肌纖維(intrafusal
【評論內容】
感覺 Ia II
運動 r
【評論主題】40.關於鑽石鑽針(diamond bur)與鎢鋼鑽針(carbide bur)的比較,下列何者錯誤?(A)使用鎢鋼鑽針製備產生較少熱(B)鎢鋼鑽針較適合製備二級固位設計(secondary rete
【評論內容】
carbide for dentin (punch, penetration)
diamond for enamel (bevel)
【評論主題】79.有關數位放射線影像(digital radiography),下列敘述何者錯誤?(A)口內CCD system的pixel size約20 μm(B)PSP system解析度會受感應片的厚度影
【評論內容】
20 pixel→25 lp/mm
【評論主題】57.未治療的牙周炎(untreated periodontitis)之長期研究顯示下列何種促炎介質(proinflammatory mediator)與牙周炎的進展過程有關?(A)IL-1β(B)I
【評論內容】
macrophage and fibroblst→produce PGE2→induce MMP→induce osteoclast bone resorption→attribute to alveolar bone loss and attachment loss
【評論主題】60.傳統X光片影像太黑,其可能的原因,下列何者錯誤?(A)顯影劑濃度太高(B)顯影劑溫度過低(C)顯影時間太久(D)X光暴露的時間太長
【評論內容】
Overexposure owing to:
(1) Faulty X-ray equipment, e.g. timer
(2) Incorrect exposure time selected
Overdevelopment owing to:
(1) Excessive time in the developer solution
(2) Developer solution too hot
(3) Developer solution too concentrated
【評論主題】49.有關牙弓完整與否,下列敘述何者最恰當?(A)第一乳臼齒的早期喪失,對牙弓的完整性危害最大(B)上顎第二乳臼齒的早期喪失,容易造成同側上顎恆犬齒的異常萌發(C)乳後牙早期喪失後導致空間喪失,以三年
【評論內容】
A) no difference in first and second primary molar, both pose a great influence on dental arch
C)first 6 months to one year, later less
【評論主題】10.以下何種咬合關係的人於發“s ” 音時有最大的說話空間(speaking space)?(A)安格氏第一級(Angle's Class I)(B)安格氏第二級(Angle's
【評論內容】
when S
class I: overlap 1.5-5 mm, posterior speaking space 1.5-3 mm
class II: overlap 1.5-10 mm, posterior speaking space 2-8 mm