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Status
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Published
01/09/2025
細胞毒性試驗用 {{c1::teflon}} 作為陰性,{{c1::聚氯乙烯 PVC}} 作為陽性。
Published
12/13/2024
細胞膜滲透毒性試驗活性染料用{{c1::neutral red}},非活性染料用{{c1::tyrpan blue}}
Published
09/18/2024
Dental Pulp Irritation Tests 中 {{c1::Zinc oxide-eugenol}} 與 {{c1::silicate cement}} 分別被用作陰性和陽性對照材料
Published
09/18/2024
位能曲線圖越深 = 鍵結時能量越{{c1::低}} = 鍵能越{{c1::高}} = 越{{c1::穩定::穩定或不穩定}},造成:(1) 熱膨脹量越{{c1::小}}(2) 熔點沸點越{{c1::高}}(3) 剛性越{{c1::高}}
Published
12/29/2024
鐵氟龍 teflon 表面能很{{c1::低}},wetting{{c1::差}},接觸角{{c1::大}}
Published
09/18/2024
{{c1::Pd::金屬}} 可以很有效地降低合金中的 Ag 受到 S 的鏽蝕
Published
09/18/2024
讓材料產生 {{c1::0.2}}%塑性變形量的應力為其降服強度
Published
09/18/2024
測量{{c1::脆性}}材料要用徑向壓縮試驗
Published
09/18/2024
彈性係數{{c1::低}}且抗張強度{{c1::高}}的材料比較能抵上撞擊力
Published
09/18/2024
{{c1::image-occlusion:rect:left=.6484:top=.469:width=.1579:height=.0513:oi=1}}{{c2::image-occlusion:rect:left=.6586:top=.1496:width=.2719:height=.0513…
Published
09/17/2024
金合金由 Type I 至 type IV:含金量{{c1::下降}},強度{{c1::提高}},硬度{{c1::提高}},延長率(elongation){{c1::下降}}
Published
09/21/2024
與生物相容性有關的兩個規範
Published
12/14/2024
反覆暴露造成的真皮傷害是初級還是次級測試?
Published
01/09/2025
L* a* b* 代表哪三個顏色?
Published
09/18/2024
牙材大多引起那一種過敏?
Published
09/18/2024
牙材測試順序(三階段)
Published
01/03/2025
Cell metabolism 測試細胞的什麼酶?顏色變化?
Published
01/03/2025
ames' test 是在測試什麼性質?用什麼菌種?
Published
09/18/2024
ames test 中菌落越多,帶測物突變能力強還弱?
Published
09/18/2024
Dental Pulp Irritation Tests 是放在 class 幾的蛀牙?
Published
09/22/2024
BCC 體心立方元素?
Published
09/22/2024
六方最密的元素?
Published
09/18/2024
延性與展性差異?
Published
09/18/2024
牙釉質、牙本質導熱度大小?
Published
09/18/2024
牙釉質、牙本質熱膨脹量大小?
Published
12/08/2024
熱膨脹係數大小排序(口訣)
Published
09/18/2024
彈性係數定義
Published
09/18/2024
徑向抗張強度樣本的抗張應力(tensile stress)為? d為樣本直徑,t為試片厚度
Published
09/18/2024
抗彎強度和厚度有什麼關係?
Published
09/18/2024
dentin v.s. enamel ? fracture toughness抗張強度抗壓強度比例限彈性係數
Published
09/18/2024
應力鬆弛定義?
Published
09/18/2024
徑向抗張強度與厚度的關係?
Published
09/22/2024
熱傳導公式?
Published
09/22/2024
FCC面心立方元素?
Published
09/22/2024
最大撓性(maximum flexibility)定義?
Published
09/18/2024
顏色 -> 波長 紅 橙 黃 綠 藍 紫
Published
09/17/2024
不鏽鋼(Stainless-steel)為何有抗腐蝕性?
Published
09/17/2024
金合金可以分為幾種?
Published
09/17/2024
金合金 type I to IV 的用途
Published
09/17/2024
若銀的含量過高,會出現什麼顏色?
Published
01/09/2025
加入少量的什麼金屬可使合金顆粒變小(grain refining),使延展性上升
Published
09/17/2024
PFM 結合瓷與金屬,形成氧化層鍵結重要的金屬為?
Published
01/14/2025
PFM 結合瓷與金屬,降低熱膨脹為什麼金屬?
Published
09/17/2024
過冷定義?
Published
09/17/2024
賤金屬通常出現怎樣的結晶?
Published
09/17/2024
貴金屬通常出現怎樣的結晶?
Published
09/17/2024
強化金屬的機制主要原理為?
Published
10/15/2024
冷加工之後的金屬性質? 強度 硬度 脆性 延性
Published
09/17/2024
如何改善冷加工的缺點?
Published
12/14/2024
致敏性是初級還是次級測試?
Published
09/17/2024
coring 定義?
Published
09/17/2024
怎麼處理 coring?
Published
01/09/2025
固溶升溫加熱一段時間(約 450℃)形成有序結構能強化合金,尤其是 type 3 和 type 4 的含銅金合金,稱為?
Published
01/14/2025
焠火=驟冷(Quench) v.s. bench-cooling(處理方式、效果)
Published
09/17/2024
當金含量≥ {{c1::84}}%,才能使 PFM 合金看起來有「黃色」純金的感覺。
Published
09/17/2024
金屬分類(以貴金屬含量分)
Published
09/17/2024
貴金屬會不會磨耗牙齒?
Published
09/17/2024
{{c1::Pd、Ag::金屬}} 沒有 order phase,不能熱硬化處理
Published
09/17/2024
鎳-鉻合金的優缺點?
Published
09/17/2024
鈷、鎳特性的異同?
Published
09/18/2024
密度越高、比熱越{{c1::高}}、熱傳導越{{c1::低}},熱擴散越{{c1::慢}}
Published
09/17/2024
鈦的性質密度{{c1::低}}熔點{{c1::高}}強度{{c1::不佳}}彈性模數{{c1::低}}生物相容性{{c1::好}}{{c1::必須::需要、不需要}}在真空鑄造 -> 要用{{c1::氣動鑄造::鑄造方式}}
Published
09/17/2024
α-Ti 和 β-Ti 比較?溫度硬度、彈性、延展性晶體用途
Published
09/17/2024
商業純鈦分為幾類?類別中的差異?
Published
09/27/2024
在室溫中,Ti-6Al-4V 以{{c1::兩種相(α+β)合併::什麼相}}存在。
Published
09/17/2024
需要鍵結到陶瓷上的合金(例如 PFM)需具備的三個特性
Published
09/17/2024
鈦合金的熔點較純鈦{{c1::低}}、硬度較純鈦{{c1::高}}。
Published
09/17/2024
製作 RPD 支架的材料要考量強度和鋼性,需不易變形,所以常使用{{c1::基本::貴/基本}}金屬合金。
Published
09/17/2024
焊接分類?
Published
09/19/2024
三者熔點比較?被焊母金屬焊料助溶劑
Published
09/17/2024
助溶劑的功能
Published
10/08/2024
焊接用助溶劑舉例
Published
09/17/2024
鍛造 v.s. 鑄造塑性、強度
Published
09/17/2024
不鏽鋼中鉻含量{{c1::13~30}}%,碳含量{{c1::<2}}%
Published
09/23/2024
不銹鋼分類(晶體結構)
Published
09/27/2024
肥粒鋼(Ferritic) 晶體結構、性質
Published
09/17/2024
沃斯田鋼(Austenitic) 晶體結構
Published
09/27/2024
麻田散鐵(Martensitic) 晶體結構
Published
11/01/2024
Ni-Ti 加熱變為{{c1::沃斯田}}相,冷卻受應力後變為{{c1::麻田散}}相
Published
09/17/2024
Ti 加上其他金屬,彈性模數會{{c1::上升}},但加入鎳(Ni)反而{{c1::下降}}(彈性更好,用於矯正)
Published
09/17/2024
Ni-Ti中加入{{c1::鈷::金屬}}可降低 TTR
Published
09/17/2024
Ni-Ti file產生{{c1::8}}%形變仍可復原不鏽鋼file形變超過{{c1::1}}%不易復原
Published
09/28/2024
彈性模數排序(各種鈦、不銹鋼、合金)
Published
09/24/2024
鈦-鋁-釩(Ti-6Al-4V)合金 α 相穩定劑
Published
09/24/2024
鈦-鋁-釩(Ti-6Al-4V)合金 β 相穩定劑
Published
09/17/2024
Ti-6Al-4V數字為
Published
10/14/2024
降伏強度排序(各種鈦、不銹鋼)
Published
09/22/2024
汞齊的合金部分可區分為低銅(傳統)、高銅合金,主成分都是 {{c1::Ag 和 Sn::兩種金屬}}
Published
09/22/2024
amalgam 含銅量:{{c1::<6}}% 稱為低銅合金,{{c1::>6}}% 稱為高銅合金
Published
09/22/2024
銅含量高會造成汞齊表面腐蝕和變色(Tarnish),故含量不可超過 {{c1::30}} %。
Published
09/22/2024
Ag 對汞齊合金的影響?強度流動性膨脹量
Published
09/22/2024
amalgam 粉末種類?
Published
09/22/2024
lathe-cut powder v.s. spherical powder填充壓力性質
Published
09/22/2024
顆粒大小對於amalgam的影響
Published
09/22/2024
Cu 對汞齊合金的影響?強度流動性膨脹量
Published
09/22/2024
Sn 對汞齊合金的影響?強度流動性膨脹量
Published
09/27/2024
Zn 對汞齊合金的影響?
Published
09/27/2024
低銅合金跟高銅哪個性質好?
Published
09/22/2024
amalgam 的尺寸穩定性由哪個條約規範?
Published
09/22/2024
汞齊的抗壓強度(compressive strength)遠{{c1::大於::大於小於}}抗張強度(tensile strength)
Published
12/13/2024
汞在汞齊中的含量必須介於 {{c1::45 % ~ 55 %::%}} 之間?考過
Published
09/22/2024
Amalgam 要拿掉的常見原因:第一名是 {{c1::secondary caries}},第二名是 {{c1::amalgam 斷裂}}
Published
09/18/2024
Styles' cell transformation test
Published
12/08/2024
color-coded marking藍紅黃白
Published
09/19/2024
Primary test of biocompability 有哪些?
Published
12/16/2024
Munsell Color System 三個値、意義
Published
09/27/2024
熱擴散排序汞齊dentin金enamel
Published
01/14/2025
熱傳導排序?考過金GIenamelcomposite汞齊dentin
Published
09/27/2024
彈性係數比較PMMA陶瓷Alumina ceramiccomposite汞齊
Published
10/08/2024
抗張強度比較PMMA陶瓷Alumina ceramiccomposite汞齊
Published
12/13/2024
Brinell Hardness Test
Published
12/13/2024
Rockwell Hardness Test
Published
01/12/2025
Vickers Hardness Test
Published
01/14/2025
Knoop Hardness Test
Published
09/19/2024
陶瓷在黏著前會先經過 {{c1::HF}} 酸蝕來增加空洞,以增加固持性
Published
09/19/2024
陶瓷物理性質?抗壓強度{{c1::高}}抗張強度{{c1::低}}脆性{{c1::高}} -> 斷裂韌性{{c1::低}}硬度{{c1::高}}於 enamel
Published
09/21/2024
PFM 上陶瓷的熱膨脹率應比金屬{{c1::低}} 0.5 x 10-6 /°C
Published
10/10/2024
高嶺土(瓷土)在陶瓷中的作用
Published
01/09/2025
早期牙科瓷粉的三種主成分、含量
Published
12/13/2024
現代牙科陶瓷主成份?考過
Published
09/19/2024
當長石加熱至 1150 - 1530°C 時,會出現{{c1::分熔現象(incongruent melting)::現象}}: 在液態玻璃中出現{{c1::白榴石(leucite)}}結晶,會使熱膨脹係數增加,有利於陶瓷材料熔合於金屬表面。
Published
12/05/2024
長石本身需要添加{{c1::氧化鋁}}來增加強度。
Published
12/13/2024
為什麼製作陶瓷要在SiO2中加入Na+、K+、Ca2+?
Published
01/03/2025
陶瓷助熔劑
Published
09/19/2024
{{c1::Silicate ceramics(矽酸鹽陶瓷)}}為均勻玻璃相,牙科陶瓷屬於這一類,初期最常使用
Published
01/09/2025
{{c1::Oxide ceramics(含氧陶瓷)::陶瓷類別}} 大部分是結晶相,通常不含玻璃相或含少量玻璃相
Published
09/19/2024
{{c1::Nonoxide ceramics(無氧陶瓷)}} 製作複雜,牙科較少使用,美觀較差
Published
09/21/2024
{{c1::Glass ceramics(玻璃陶瓷)}},部分結晶(Partially crystallized glasses)
Published
12/13/2024
陶瓷強化方法?
Published
09/21/2024
什麼材料可以變態韌化?
Published
01/09/2025
{{c13::image-occlusion:rect:left=.2456:top=.9592:width=.2554:height=.03:oi=1}}{{c7::image-occlusion:rect:left=.6569:top=.7425:width=.2943:height=.0279…
Published
09/21/2024
Reinforced ceramic core systems 是一種{{c1::全瓷冠}}系統,是以 {{c1::core ceramic}} 取代 PFM 中的金屬。缺點是{{c1::core ceramin 需要較大的厚度才能跟金屬同強度,這意味著需要比較大的修磨量。}}
Published
01/09/2025
resin bonded ceramic 用哪一種陶瓷?用哪一種primer?
Published
09/21/2024
燒製PFM三步驟?
Published
09/21/2024
dicor 的製造方法?
Published
09/21/2024
IPS Empress 的製造方法?
Published
09/21/2024
{{c1::image-occlusion:rect:left=.1846:top=.2589:width=.3649:height=.1697:oi=1}}{{c2::image-occlusion:rect:left=.1846:top=.5675:width=.3621:height=.331…
Published
01/12/2025
in-ceram 的製作方式?步驟?考過
Published
09/21/2024
{{c1::image-occlusion:rect:left=.1917:top=.0834:width=.3536:height=.0693:oi=1}}{{c2::image-occlusion:rect:left=.3331:top=.5574:width=.6379:height=.054…
Published
09/21/2024
Alumina core ceramics 透明度比 In-Ceram Zirconia {{c1::佳}},而且彎曲強度{{c1::與 In-Ceram Zirconia 相當}},可達 {{c1::620 ~ 700}} MPa
Published
09/21/2024
{{c1::image-occlusion:rect:left=.0573:top=.8064:width=.1146:height=.0558:oi=1}}{{c2::image-occlusion:rect:left=.2992:top=.7598:width=.0608:height=.049…
Published
09/21/2024
晶粒細化強度___ 延展性___
Published
09/21/2024
annealing 強度___ 延展性___
Published
09/21/2024
退火步驟
Published
09/21/2024
鈦熔點太高要用什麼當作熱源?
Published
09/21/2024
熱含量最高的熱源
Published
09/21/2024
化學不穩定的熱源
Published
09/21/2024
304不鏽鋼成分與晶體?
Published
09/21/2024
不鏽鋼的氧化保護層
Published
09/22/2024
一般而言,接觸角{{c1::90}}度以上就算是疏水性,teflon接觸角{{c1::110}}度,壓克力為{{c1::75}}度。
Published
09/22/2024
硬度是材料體抗{{c1::塑性}}變形的能力
Published
09/22/2024
非晶質材料有沒有固定的熔點?
Published
09/22/2024
應力應變曲線的斜率就是{{c1::剛性}},也是{{c1::彈性係數}}
Published
09/22/2024
液體的表面張力很大,就是指{{c1::內聚力::力}}很大。
Published
09/22/2024
Published
09/22/2024
pitting corrosion 為 {{c1::concentration cell corrosion}} 中的一類
Published
09/22/2024
Published
09/22/2024
電極電位順序和氧化電位順序相{{c1::反}}
Published
09/22/2024
Published
09/22/2024
{{c1::image-occlusion:rect:left=.2511:top=.6099:width=.0679:height=.0966:oi=1}}{{c2::image-occlusion:rect:left=.2553:top=.8565:width=.0665:height=.104…
Published
09/27/2024
{{c4::image-occlusion:rect:left=.6682:top=.8694:width=.3176:height=.1131:oi=1}}{{c1::image-occlusion:rect:left=.3412:top=.5575:width=.3153:height=.155…
Published
01/10/2025
汞齊合金相1. γ → {{c1::Ag3Sn}}2. γ1 → {{c2::Ag2Hg3}}:{{c4::體心立方::晶體}}3. γ2 → {{c3::Sn7-8Hg}},強度最{{c3::弱}},越{{c3::少}}越好:{{c4::六方最密::晶體}}
Published
12/22/2024
amalgam 中,銅含量和體積變化{{c1::無}}關。
Published
09/22/2024
不含鋅汞齊(Zinc-free):含鋅重量百分比{{c1::<0.01}} %
Published
09/22/2024
合金粉末的主要成分是 {{c1::Ag3Sn(γ)}},所以混汞主要反應發生在 {{c1::Ag3Sn(γ phase)}}和 Hg 之間。
Published
12/08/2024
{{c1::Sn7-8Hg(γ2)::什麼相}}強度最弱,最容易腐蝕。而銅含量>6 %為高銅合金,可以減少 {{c1::γ2}}(我們不想要的相)產生。
Published
09/27/2024
汞齊作用後的體積變化?
Published
09/22/2024
two-phase admixed alloys 主成份是哪兩者?
Published
09/22/2024
two-phase admixed alloys 屬於低銅還是高銅
Published
09/22/2024
Single-Composition Alloys 主成份是?
Published
09/22/2024
Spherical alloy 塑性較 admixed alloy {{c1::高}},缺點{{c1::是易在鄰接面有 overhang}},鄰接面也較{{c1::鬆}}
Published
09/22/2024
amalgam 患者要避免 {{c1::8}} 小時內用剛補好的牙齒咀嚼,通常 {{c1::8}} 小時後至少會有 {{c1::70}} % 的強度。
Published
09/22/2024
amalgam 邊緣不服貼 > {{c1::400}} µm 就很可能有 secondary caries,這種復形物應該要換掉。
Published
09/22/2024
Amalgam 最可能引起的過敏反應是接觸性皮膚炎(contact dermatitis),屬於 type {{c1::IV}} hypersensitivity,發生率低於 1 %。
Published
09/27/2024
amalgam(1) 顆粒越{{c1::小}}需要越多汞才能形成可用的汞齊合金,硬化也越{{c1::快}}、初期強度較{{c1::強}}。(2) 顆粒越{{c2::大}},越容易形成{{c2::粗糙::粗或細}}表面,表面粗糙就容易{{c2::腐蝕}}。
Published
09/22/2024
Published
09/27/2024
Published
09/22/2024
Published
09/22/2024
Published
09/22/2024
Published
09/22/2024
定義:合金液體析出兩種合金固體
Published
09/24/2024
Published
09/24/2024
Published
09/27/2024
{{c1::Autograft}} 自體移植→從病人自己身上其他地方移植骨至患處{{c1::Allograft}}→來源也是人類,但非來自病人本身{{c1::Alloplast}}→人工,通常成分為 HA{{c1::Xenograft}}→來源為非人類的其他物種 ex. 牛、珊瑚等
Published
09/24/2024
不論是噴砂、酸蝕或電漿噴灑,對植體的主要目的是增加{{c1::粗糙度}},達到增加與骨頭接觸面積的效果,追求良好的生物相容性。
Published
09/24/2024
{{c1::image-occlusion:rect:left=.2693:top=.5823:width=.1674:height=.025:oi=1}}{{c2::image-occlusion:rect:left=.0247:top=.2337:width=.1208:height=.1222…
Published
09/24/2024
Published
10/03/2024
彈性(elastic、flexible)印模材適用組織、特性?
Published
09/24/2024
非彈性(non-elastic、rigid)印模材適用組織、特性?
Published
09/24/2024
{{c1::Impression compound}}、{{c1::Agar}} 為可逆,其餘不可重複印模。
Published
09/24/2024
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Published
09/24/2024
{{c1::image-occlusion:rect:left=.2898:top=.0287:width=.2153:height=.3172:oi=1}}{{c2::image-occlusion:rect:left=.2911:top=.3846:width=.2127:height=.225…
Published
10/08/2024
橡膠彈性印模材(Elastomeric materials)有哪幾種?
Published
09/25/2024
凝固過程,特別是聚合物材料通常會造成尺寸收縮(朝{{c1::印模托}}方向收縮),印模材需盡可能與印模牙托有相仿的熱膨脹係數
Published
09/27/2024
{{c1::image-occlusion:rect:left=.4983:top=.169:width=.2966:height=.0204:oi=1}}{{c3::image-occlusion:rect:left=.2203:top=.2753:width=.2169:height=.0204…
Published
09/27/2024
{{c1::image-occlusion:rect:left=.3407:top=.7227:width=.1916:height=.0185:oi=1}}{{c2::image-occlusion:rect:left=.3242:top=.0372:width=.0613:height=.018…
Published
09/27/2024
{{c1::image-occlusion:rect:left=.338:top=.2016:width=.0414:height=.0277:oi=1}}{{c1::image-occlusion:rect:left=.8554:top=.3516:width=.1347:height=.0461…
Published
10/08/2024
{{c5::image-occlusion:rect:left=.2789:top=.4448:width=.104:height=.018:oi=1}}{{c7::image-occlusion:rect:left=.3476:top=.5663:width=.171:height=.0193:o…
Published
09/27/2024
{{c1::image-occlusion:rect:left=.5149:top=.6523:width=.0982:height=.0373:oi=1}}{{c2::image-occlusion:rect:left=.7875:top=.2975:width=.0569:height=.044…
Published
10/02/2024
{{c5::image-occlusion:rect:left=.7494:top=.3488:width=.1094:height=.0196:oi=1}}{{c1::image-occlusion:rect:left=.1682:top=.0596:width=.2694:height=.021…
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