玻璃(li)离(li)子(zi)(zi)(zi)水(shui)(shui)门汀，特点(dian)：①释(shi)放氟，防龋 ②有(you)轻微吸水(shui)(shui)性(xing)。与牙(ya)(ya)齿(chi)粘(zhan)结(jie)原理：（1）羧(suo)(suo)基与牙(ya)(ya)齿(chi)中(zhong)的(de)(de)(de)(de)Ca++产生化学键结(jie)合；（2）羧(suo)(suo)基以氢键与牙(ya)(ya)本(ben)质(zhi)(zhi)中(zhong)的(de)(de)(de)(de)胶(jiao)原相(xiang)结(jie)合；（3）机械嵌合。GIC中(zhong)羧(suo)(suo)酸根离(li)子(zi)(zi)(zi)和牙(ya)(ya)体(ti)(ti)中(zhong)磷(lin)酸根离(li)子(zi)(zi)(zi)的(de)(de)(de)(de)交换实现。牙(ya)(ya)釉质(zhi)(zhi)比牙(ya)(ya)本(ben)质(zhi)(zhi)含有(you)更(geng)多的(de)(de)(de)(de)磷(lin)酸基，GIC对牙(ya)(ya)釉质(zhi)(zhi)有(you)更(geng)强的(de)(de)(de)(de)粘(zhan)结(jie)力。适用(yong)(yong)范围：①牙(ya)(ya)缺(que)损(sun)的(de)(de)(de)(de)充填修(xiu)(xiu)复、固定修(xiu)(xiu)复体(ti)(ti)、正(zheng)畸修(xiu)(xiu)复的(de)(de)(de)(de)粘(zhan)固 ②窝洞(dong)的(de)(de)(de)(de)垫底、衬层 ③部分用(yong)(yong)于(yu)(yu)封闭窝沟点(dian)隙 注意：用(yong)(yong)途主要还是取(qu)决于(yu)(yu)不同性(xing)能的(de)(de)(de)(de)玻璃(li)离(li)子(zi)(zi)(zi)水(shui)(shui)门汀水(shui)(shui)门汀修(xiu)(xiu)复体(ti)(ti)边缘封闭性(xing)好能够保持牙(ya)(ya)齿(chi)周围组(zu)织的(de)(de)(de)(de)正(zheng)常血液循环。东北临(lin)床水(shui)(shui)门汀类型

性(xing)(xing)能：1)凝固(gu)(gu)时间(jian)，一般为2-5分(fen)钟，磷酸锌(xin)水(shui)门(men)汀(ting)的(de)固(gu)(gu)化时间(jian)受许多因素的(de)影响，如粉(fen)(fen)剂(ji)(ji)(ji)(ji)组(zu)成，烧结(jie)温(wen)度(du)(du)，粉(fen)(fen)剂(ji)(ji)(ji)(ji)粒度(du)(du)，液剂(ji)(ji)(ji)(ji)中(zhong)含水(shui)量，调(diao)(diao)和(he)时粉(fen)(fen)液比，调(diao)(diao)和(he)速度(du)(du)，环(huan)境温(wen)度(du)(du)等(deng)；2) 膜(mo)(mo)(mo)厚(hou)(hou)度(du)(du)，薄(bo)(bo)膜(mo)(mo)(mo)厚(hou)(hou)度(du)(du)是(shi)指水(shui)门(men)汀(ting)调(diao)(diao)和(he)物在一定(ding)压(ya)力下被压(ya)薄(bo)(bo)后的(de)厚(hou)(hou)度(du)(du)薄(bo)(bo)膜(mo)(mo)(mo)厚(hou)(hou)度(du)(du)影响固(gu)(gu)定(ding)修(xiu)(xiu)复(fu)体(ti)的(de)就位和(he)固(gu)(gu)位。薄(bo)(bo)膜(mo)(mo)(mo)厚(hou)(hou)度(du)(du)受下列因素的(de)影响：1、粉(fen)(fen)剂(ji)(ji)(ji)(ji)越细，薄(bo)(bo)膜(mo)(mo)(mo)厚(hou)(hou)度(du)(du)越小，反之亦(yi)然 ;2、调(diao)(diao)和(he)物稠度(du)(du)越大，膜(mo)(mo)(mo)厚(hou)(hou)度(du)(du)越大，降(jiang)低粉(fen)(fen)液比能降(jiang)低调(diao)(diao)和(he)物稠度(du)(du)，进而(er)降(jiang)低薄(bo)(bo)膜(mo)(mo)(mo)厚(hou)(hou)度(du)(du)，但也会降(jiang)低固(gu)(gu)化后水(shui)门(men)汀(ting)的(de)强度(du)(du)，同时增加水(shui)门(men)汀(ting)在唾液中(zhong)的(de)溶解性(xing)(xing)，因此用降(jiang)低粉(fen)(fen)液比来降(jiang)低薄(bo)(bo)膜(mo)(mo)(mo)厚(hou)(hou)度(du)(du)是(shi)不(bu)可取的(de) ;3、修(xiu)(xiu)复(fu)体(ti)就位时的(de)压(ya)力越大，薄(bo)(bo)膜(mo)(mo)(mo)厚(hou)(hou)度(du)(du)越小;4、修(xiu)(xiu)复(fu)体(ti)的(de)类型影响粘固(gu)(gu)过程中(zhong)水(shui)门(men)汀(ting)溢出的(de)难(nan)易程度(du)(du)5、修(xiu)(xiu)复(fu)体(ti)与牙(ya)面间(jian)的(de)适合(he)性(xing)(xing)。口腔水(shui)门(men)汀(ting)价格(ge)水(shui)门(men)汀(ting)修(xiu)(xiu)复(fu)体(ti)边缘(yuan)封闭性(xing)(xing)不(bu)会对牙(ya)齿咬(yao)合(he)力分(fen)布(bu)造成不(bu)均衡(heng)。

氢氧化钙水(shui)门汀组(zu)成(cheng)：双糊(hu)剂(ji)型，由(you)基(ji)(ji)质(zhi)糊(hu)剂(ji)和催化糊(hu)剂(ji)构成(cheng)，基(ji)(ji)质(zhi)糊(hu)剂(ji):氢氧化钙50.0g，氧化锌(xin)19.0g，硬脂(zhi)酸锌(xin)0.3g，N-乙基(ji)(ji)对甲苯磺(huang)酷(ku)胺39g。催化糊(hu)剂(ji):二(er)(er)氧化钦45.0g，钨酸钙15.0g，水(shui)杨酸单(dan)(dan)乙二(er)(er)醇(chun)醋39.1g。氢氧化钙是(shi)(shi)材料的(de)活(huo)性成(cheng)分(fen)，为碱(jian)性，具有(you)杀菌和促进牙本质(zhi)中(zhong)钙沉积作(zuo)用(yong)(yong)，氧化锌(xin)具有(you)弱收敛和消毒作(zuo)用(yong)(yong)，二(er)(er)氧化钦为惰性填料，硬脂(zhi)酸锌(xin)是(shi)(shi)固化反(fan)应加速(su)剂(ji),钨酸钙具有(you)X射(she)(she)线阻(zu)射(she)(she)能力N-乙基(ji)(ji)对甲苯磺(huang)酷(ku)胺是(shi)(shi)基(ji)(ji)质(zhi)糊(hu)剂(ji)的(de)赋形剂(ji)水(shui)杨酸单(dan)(dan)乙二(er)(er)醇(chun)醋是(shi)(shi)反(fan)应鳌合(he)剂(ji)。

对于(yu)临床常用的(de)(de)玻(bo)璃离子水门汀，你(ni)了解多少？玻(bo)璃离子问世于(yu)20世纪(ji)70年(nian)(nian)代(dai)初(chu)。与(yu)复合树脂(zhi)不同的(de)(de)是，玻(bo)璃离子以(yi)氢键和(he)离子键的(de)(de)形(xing)式，与(yu)牙齿形(xing)成化学性(xing)黏(nian)结，密封性(xing)良好，同时(shi)还能(neng)释放钙、磷、氟、锶(si)等(deng)离子到牙体组织(zhi)内，促(cu)进(jin)脱(tuo)矿的(de)(de)牙本质进(jin)行再矿化，具有(you)防龋(qu)作用。另外，玻(bo)璃离子具有(you)良好的(de)(de)生(sheng)物(wu)相容(rong)性(xing)，对牙神经(jing)刺激(ji)极小，操作也很简(jian)便(bian)，更(geng)容(rong)易(yi)被年(nian)(nian)龄(ling)小的(de)(de)孩子所接受。不过，玻(bo)璃离子的(de)(de)长期疗效不佳，存在耐磨性(xing)差、脆(cui)性(xing)大、强(qiang)度(du)低、完全固化时(shi)间长、表面粗糙易(yi)着(zhe)色(se)(se)、菌斑易(yi)附(fu)着(zhe)表面形(xing)成继(ji)发性(xing)龋(qu)等(deng)缺点，色(se)(se)泽也比(bi)复合树脂(zhi)逊色(se)(se)些。水门汀的(de)(de)使用可(ke)以(yi)让牙齿看起来更(geng)加美观(guan)，使得(de)个(ge)人(ren)形(xing)象更(geng)加出色(se)(se)。

树脂增(zeng)强玻(bo)(bo)璃(li)离(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)汀(ting)光固(gu)(gu)(gu)(gu)化(hua)(hua)(hua)(hua)(hua)的(de)玻(bo)(bo)璃(li)离(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)汀(ting)化(hua)(hua)(hua)(hua)(hua)学固(gu)(gu)(gu)(gu)化(hua)(hua)(hua)(hua)(hua)玻(bo)(bo)璃(li)离(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)汀(ting)。凝(ning)固(gu)(gu)(gu)(gu)反(fan)应(ying)：(一(yi)(yi))传(chuan)统玻(bo)(bo)璃(li)离(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)汀(ting)，当(dang)水(shui)(shui)(shui)门(men)汀(ting)两组(zu)份调和后(hou)，聚(ju)(ju)丙烯酸(suan)及(ji)酒石(shi)酸(suan)中的(de)一(yi)(yi)COOH基(ji)团与(yu)玻(bo)(bo)璃(li)粉中所含(han)的(de)A13+、Ca2+等(deng)离(li)(li)子(zi)(zi)进行配位络合，形成交联(lian)的(de)网状(zhuang)结(jie)构，并将未反(fan)应(ying)的(de)玻(bo)(bo)璃(li)粉结(jie)合在一(yi)(yi)起(qi)，逐渐由(you)糊(hu)状(zhuang)变为凝(ning)胶而固(gu)(gu)(gu)(gu)化(hua)(hua)(hua)(hua)(hua)。树脂增(zeng)强玻(bo)(bo)璃(li)离(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)汀(ting)：1.光固(gu)(gu)(gu)(gu)化(hua)(hua)(hua)(hua)(hua)玻(bo)(bo)璃(li)离(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)汀(ting)，固(gu)(gu)(gu)(gu)化(hua)(hua)(hua)(hua)(hua)机制(zhi)涉及(ji)传(chuan)统玻(bo)(bo)璃(li)离(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)汀(ting)的(de)酸(suan)碱反(fan)应(ying)和光固(gu)(gu)(gu)(gu)化(hua)(hua)(hua)(hua)(hua)树脂的(de)自(zi)由(you)基(ji)聚(ju)(ju)合反(fan)应(ying)，但是(shi)酸(suan)碱反(fan)应(ying)速度较慢(man)。2.化(hua)(hua)(hua)(hua)(hua)学固(gu)(gu)(gu)(gu)化(hua)(hua)(hua)(hua)(hua)玻(bo)(bo)璃(li)离(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)汀(ting)，该(gai)水(shui)(shui)(shui)门(men)汀(ting)也是(shi)双(shuang)重固(gu)(gu)(gu)(gu)化(hua)(hua)(hua)(hua)(hua)材料(liao)，固(gu)(gu)(gu)(gu)化(hua)(hua)(hua)(hua)(hua)机制(zhi)涉及(ji)传(chuan)统玻(bo)(bo)璃(li)离(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)汀(ting)的(de)酸(suan)碱反(fan)应(ying)和氧化(hua)(hua)(hua)(hua)(hua)还(hai)原引发(fa)树脂的(de)自(zi)由(you)基(ji)聚(ju)(ju)合反(fan)应(ying)。水(shui)(shui)(shui)门(men)汀(ting)修(xiu)复体边缘封闭性不会对修(xiu)复后(hou)的(de)牙齿周围组(zu)织产生(sheng)黏附(fu)性。福建(jian)临床水(shui)(shui)(shui)门(men)汀(ting)用法

自(zi)粘接树脂水门汀能够粘接得更好，更省事(shi)。东北临床(chuang)水门汀类型

水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)选品指南，口腔临(lin)床(chuang)进行粘(zhan)接(jie)修复(fu)医(yi)治(zhi)（粘(zhan)接(jie)假牙）所(suo)使(shi)用(yong)(yong)的(de)一类无机(ji)非(fei)金属(shu)材料，也包(bao)(bao)括(kuo)有(you)机(ji)及复(fu)合材料。水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)包(bao)(bao)括(kuo)：磷酸(suan)(suan)锌(xin)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)，聚羧酸(suan)(suan)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)，玻璃离(li)子(zi)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)，树(shu)(shu)(shu)脂(zhi)加强型玻璃离(li)子(zi)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)，传(chuan)统树(shu)(shu)(shu)脂(zhi)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)，自粘(zhan)接(jie)树(shu)(shu)(shu)脂(zhi)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)。什么是(shi)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)，口腔临(lin)床(chuang)进行粘(zhan)接(jie)修复(fu)医(yi)治(zhi)（粘(zhan)接(jie)假牙）所(suo)使(shi)用(yong)(yong)的(de)一类无机(ji)非(fei)金属(shu)材料，也包(bao)(bao)括(kuo)有(you)机(ji)及复(fu)合材料。水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)的(de)分类及应用(yong)(yong)，水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)包(bao)(bao)括(kuo)：磷酸(suan)(suan)锌(xin)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)，聚羧酸(suan)(suan)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)，玻璃离(li)子(zi)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)，树(shu)(shu)(shu)脂(zhi)加强型玻璃离(li)子(zi)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)，传(chuan)统树(shu)(shu)(shu)脂(zhi)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)，自粘(zhan)接(jie)树(shu)(shu)(shu)脂(zhi)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)。东北临(lin)床(chuang)水(shui)(shui)(shui)(shui)门(men)(men)(men)(men)(men)(men)(men)汀(ting)(ting)(ting)(ting)类型

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