30.關於牙本質齲齒的敘述,下列何者錯誤?
(A)牙本質齲齒的受影響層(affected zone)和正常牙本質礦化程度一樣
(B)受影響層(affected zone)可不需完全移除
(C)可利用 1% acid red 52 對感染層(infected zone)做選擇性染色
(D)當齲齒進展較慢時,較易形成硬化牙本質(sclerotic dentin)
答案:登入後查看
統計: A(931), B(47), C(40), D(29), E(0) #2408734
統計: A(931), B(47), C(40), D(29), E(0) #2408734
詳解 (共 4 筆)
#4485373
Normal dentin
Affected : 可保留
Sub transparent dentin demineralization
Transparent dentin demineralization
Infected : must removed
Turbid dentin
Infected dentin
白斑:
Transparent zone
Dark zone
Body of lesion
Surface zone
Periapical lesion
Infected zone 細菌PMN abscess
Contamination zone cell destruction lymphocytes
Irritated zone -granulation 吞噬 histocyte osteoclasts macrophages
Stimulation zone -修複。collage fiber osteoblasts fibroblast
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