玻璃离子(zi)(zi)水(shui)(shui)门(men)(men)汀，特点(dian)：①释(shi)放(fang)氟，防龋 ②有(you)轻微吸水(shui)(shui)性(xing)。与(yu)牙(ya)(ya)齿(chi)(chi)粘结原理(li)：（1）羧基(ji)与(yu)牙(ya)(ya)齿(chi)(chi)中的(de)(de)Ca++产生化学键(jian)结合；（2）羧基(ji)以氢(qing)键(jian)与(yu)牙(ya)(ya)本质(zhi)中的(de)(de)胶原相结合；（3）机械嵌合。GIC中羧酸(suan)根(gen)离子(zi)(zi)和(he)牙(ya)(ya)体中磷(lin)(lin)酸(suan)根(gen)离子(zi)(zi)的(de)(de)交换(huan)实现。牙(ya)(ya)釉(you)质(zhi)比牙(ya)(ya)本质(zhi)含(han)有(you)更多(duo)的(de)(de)磷(lin)(lin)酸(suan)基(ji)，GIC对牙(ya)(ya)釉(you)质(zhi)有(you)更强的(de)(de)粘结力。适(shi)用范围(wei)：①牙(ya)(ya)缺损的(de)(de)充填修(xiu)(xiu)复(fu)(fu)、固(gu)(gu)定修(xiu)(xiu)复(fu)(fu)体、正畸修(xiu)(xiu)复(fu)(fu)的(de)(de)粘固(gu)(gu) ②窝(wo)洞的(de)(de)垫(dian)底(di)、衬层 ③部分用于封闭(bi)窝(wo)沟(gou)点(dian)隙 注(zhu)意：用途主要还是取(qu)决(jue)于不(bu)同性(xing)能(neng)(neng)的(de)(de)玻璃离子(zi)(zi)水(shui)(shui)门(men)(men)汀水(shui)(shui)门(men)(men)汀修(xiu)(xiu)复(fu)(fu)体边缘封闭(bi)性(xing)好能(neng)(neng)够保(bao)持牙(ya)(ya)齿(chi)(chi)周围(wei)组织的(de)(de)正常血液循环。东北(bei)临(lin)床水(shui)(shui)门(men)(men)汀类型

性(xing)(xing)能：1)凝固(gu)时(shi)间(jian)，一般为2-5分(fen)钟，磷酸锌(xin)水(shui)(shui)(shui)门(men)汀(ting)的(de)(de)固(gu)化时(shi)间(jian)受(shou)许多因素的(de)(de)影(ying)(ying)响(xiang)(xiang)，如粉(fen)剂(ji)组成(cheng)，烧结(jie)温度(du)，粉(fen)剂(ji)粒度(du)，液剂(ji)中含(han)水(shui)(shui)(shui)量，调(diao)(diao)和(he)时(shi)粉(fen)液比(bi)，调(diao)(diao)和(he)速度(du)，环境(jing)温度(du)等；2) 膜(mo)厚(hou)(hou)度(du)，薄(bo)膜(mo)厚(hou)(hou)度(du)是(shi)指水(shui)(shui)(shui)门(men)汀(ting)调(diao)(diao)和(he)物(wu)在(zai)一定(ding)压(ya)(ya)力(li)下被压(ya)(ya)薄(bo)后的(de)(de)厚(hou)(hou)度(du)薄(bo)膜(mo)厚(hou)(hou)度(du)影(ying)(ying)响(xiang)(xiang)固(gu)定(ding)修(xiu)复(fu)体的(de)(de)就位和(he)固(gu)位。薄(bo)膜(mo)厚(hou)(hou)度(du)受(shou)下列(lie)因素的(de)(de)影(ying)(ying)响(xiang)(xiang)：1、粉(fen)剂(ji)越(yue)(yue)(yue)细，薄(bo)膜(mo)厚(hou)(hou)度(du)越(yue)(yue)(yue)小(xiao)，反之亦(yi)然 ;2、调(diao)(diao)和(he)物(wu)稠(chou)(chou)度(du)越(yue)(yue)(yue)大，膜(mo)厚(hou)(hou)度(du)越(yue)(yue)(yue)大，降(jiang)(jiang)低粉(fen)液比(bi)能降(jiang)(jiang)低调(diao)(diao)和(he)物(wu)稠(chou)(chou)度(du)，进而降(jiang)(jiang)低薄(bo)膜(mo)厚(hou)(hou)度(du)，但(dan)也会降(jiang)(jiang)低固(gu)化后水(shui)(shui)(shui)门(men)汀(ting)的(de)(de)强度(du)，同时(shi)增加水(shui)(shui)(shui)门(men)汀(ting)在(zai)唾液中的(de)(de)溶解性(xing)(xing)，因此用降(jiang)(jiang)低粉(fen)液比(bi)来降(jiang)(jiang)低薄(bo)膜(mo)厚(hou)(hou)度(du)是(shi)不(bu)可取的(de)(de) ;3、修(xiu)复(fu)体就位时(shi)的(de)(de)压(ya)(ya)力(li)越(yue)(yue)(yue)大，薄(bo)膜(mo)厚(hou)(hou)度(du)越(yue)(yue)(yue)小(xiao);4、修(xiu)复(fu)体的(de)(de)类(lei)型影(ying)(ying)响(xiang)(xiang)粘固(gu)过程(cheng)中水(shui)(shui)(shui)门(men)汀(ting)溢出(chu)的(de)(de)难易程(cheng)度(du)5、修(xiu)复(fu)体与(yu)牙面(mian)间(jian)的(de)(de)适合(he)性(xing)(xing)。口腔水(shui)(shui)(shui)门(men)汀(ting)价格水(shui)(shui)(shui)门(men)汀(ting)修(xiu)复(fu)体边缘封(feng)闭(bi)性(xing)(xing)不(bu)会对牙齿(chi)咬合(he)力(li)分(fen)布造成(cheng)不(bu)均(jun)衡。

氢氧(yang)化(hua)钙(gai)(gai)水(shui)门汀组成：双糊(hu)剂(ji)(ji)(ji)型，由基(ji)(ji)质(zhi)糊(hu)剂(ji)(ji)(ji)和催化(hua)糊(hu)剂(ji)(ji)(ji)构成，基(ji)(ji)质(zhi)糊(hu)剂(ji)(ji)(ji):氢氧(yang)化(hua)钙(gai)(gai)50.0g，氧(yang)化(hua)锌19.0g，硬脂(zhi)酸(suan)锌0.3g，N-乙基(ji)(ji)对甲苯磺(huang)酷(ku)胺(an)(an)39g。催化(hua)糊(hu)剂(ji)(ji)(ji):二氧(yang)化(hua)钦(qin)45.0g，钨酸(suan)钙(gai)(gai)15.0g，水(shui)杨酸(suan)单乙二醇(chun)醋39.1g。氢氧(yang)化(hua)钙(gai)(gai)是材料(liao)的活(huo)性(xing)成分，为(wei)(wei)碱性(xing)，具有(you)杀(sha)菌和促进牙本质(zhi)中钙(gai)(gai)沉积作用，氧(yang)化(hua)锌具有(you)弱收敛和消毒作用，二氧(yang)化(hua)钦(qin)为(wei)(wei)惰性(xing)填料(liao)，硬脂(zhi)酸(suan)锌是固化(hua)反应加速剂(ji)(ji)(ji),钨酸(suan)钙(gai)(gai)具有(you)X射线阻(zu)射能力N-乙基(ji)(ji)对甲苯磺(huang)酷(ku)胺(an)(an)是基(ji)(ji)质(zhi)糊(hu)剂(ji)(ji)(ji)的赋(fu)形剂(ji)(ji)(ji)水(shui)杨酸(suan)单乙二醇(chun)醋是反应鳌合剂(ji)(ji)(ji)。

对于临(lin)床常用(yong)的(de)(de)玻(bo)(bo)璃(li)(li)离(li)(li)子(zi)(zi)(zi)水门汀(ting)，你(ni)了解多少(shao)？玻(bo)(bo)璃(li)(li)离(li)(li)子(zi)(zi)(zi)问(wen)世(shi)于20世(shi)纪70年代初。与(yu)复(fu)(fu)合树(shu)脂不同(tong)的(de)(de)是，玻(bo)(bo)璃(li)(li)离(li)(li)子(zi)(zi)(zi)以氢键(jian)和离(li)(li)子(zi)(zi)(zi)键(jian)的(de)(de)形式，与(yu)牙齿形成化(hua)学(xue)性(xing)黏结，密(mi)封性(xing)良好，同(tong)时(shi)还能释放钙、磷、氟、锶(si)等离(li)(li)子(zi)(zi)(zi)到牙体组织内(nei)，促进(jin)脱(tuo)矿的(de)(de)牙本质进(jin)行(xing)再矿化(hua)，具有防(fang)龋(qu)作(zuo)用(yong)。另外，玻(bo)(bo)璃(li)(li)离(li)(li)子(zi)(zi)(zi)具有良好的(de)(de)生物相容(rong)性(xing)，对牙神(shen)经刺激极小，操作(zuo)也(ye)很简(jian)便，更容(rong)易被年龄小的(de)(de)孩(hai)子(zi)(zi)(zi)所接受。不过(guo)，玻(bo)(bo)璃(li)(li)离(li)(li)子(zi)(zi)(zi)的(de)(de)长期疗(liao)效不佳，存在(zai)耐磨(mo)性(xing)差、脆性(xing)大(da)、强度低(di)、完(wan)全固化(hua)时(shi)间长、表面(mian)(mian)粗(cu)糙(cao)易着色(se)、菌斑(ban)易附着表面(mian)(mian)形成继(ji)发性(xing)龋(qu)等缺点(dian)，色(se)泽也(ye)比复(fu)(fu)合树(shu)脂逊色(se)些。水门汀(ting)的(de)(de)使(shi)用(yong)可以让牙齿看起(qi)来更加(jia)美观，使(shi)得个人(ren)形象更加(jia)出色(se)。

树(shu)脂增强玻(bo)(bo)璃(li)离(li)(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)光固(gu)化(hua)(hua)的(de)玻(bo)(bo)璃(li)离(li)(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)化(hua)(hua)学固(gu)化(hua)(hua)玻(bo)(bo)璃(li)离(li)(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)。凝固(gu)反应(ying)：(一(yi))传(chuan)统(tong)玻(bo)(bo)璃(li)离(li)(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)，当水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)两(liang)组份调和(he)后(hou)，聚丙烯酸(suan)(suan)及酒石酸(suan)(suan)中的(de)一(yi)COOH基(ji)团(tuan)与玻(bo)(bo)璃(li)粉(fen)中所含的(de)A13+、Ca2+等离(li)(li)(li)子(zi)(zi)进行配位(wei)络合，形成交联的(de)网状结(jie)构，并将未反应(ying)的(de)玻(bo)(bo)璃(li)粉(fen)结(jie)合在一(yi)起，逐渐由糊状变为凝胶而(er)固(gu)化(hua)(hua)。树(shu)脂增强玻(bo)(bo)璃(li)离(li)(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)：1.光固(gu)化(hua)(hua)玻(bo)(bo)璃(li)离(li)(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)，固(gu)化(hua)(hua)机制涉及传(chuan)统(tong)玻(bo)(bo)璃(li)离(li)(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)的(de)酸(suan)(suan)碱(jian)反应(ying)和(he)光固(gu)化(hua)(hua)树(shu)脂的(de)自由基(ji)聚合反应(ying)，但是(shi)酸(suan)(suan)碱(jian)反应(ying)速度较慢。2.化(hua)(hua)学固(gu)化(hua)(hua)玻(bo)(bo)璃(li)离(li)(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)，该水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)也是(shi)双重固(gu)化(hua)(hua)材料，固(gu)化(hua)(hua)机制涉及传(chuan)统(tong)玻(bo)(bo)璃(li)离(li)(li)(li)子(zi)(zi)水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)的(de)酸(suan)(suan)碱(jian)反应(ying)和(he)氧化(hua)(hua)还原引发树(shu)脂的(de)自由基(ji)聚合反应(ying)。水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)修复(fu)体边缘封闭性不(bu)会(hui)对修复(fu)后(hou)的(de)牙齿周围组织产生黏附性。福建临床(chuang)水(shui)(shui)(shui)门(men)(men)汀(ting)(ting)用(yong)法

自粘接树(shu)脂水(shui)门汀能够粘接得更(geng)(geng)好，更(geng)(geng)省事。东北临床水(shui)门汀类型

水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)选品指南(nan)，口腔临(lin)(lin)床(chuang)进行(xing)粘接修复(fu)(fu)医(yi)治（粘接假牙）所(suo)使(shi)(shi)用(yong)的一(yi)类无(wu)机非金(jin)属材料，也(ye)包(bao)括有(you)机及(ji)复(fu)(fu)合材料。水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)包(bao)括：磷(lin)酸锌(xin)水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)，聚(ju)羧酸水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)，玻璃(li)离(li)子(zi)水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)，树(shu)(shu)脂加强(qiang)(qiang)型玻璃(li)离(li)子(zi)水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)，传(chuan)统(tong)树(shu)(shu)脂水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)，自(zi)粘接树(shu)(shu)脂水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)。什么是(shi)水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)，口腔临(lin)(lin)床(chuang)进行(xing)粘接修复(fu)(fu)医(yi)治（粘接假牙）所(suo)使(shi)(shi)用(yong)的一(yi)类无(wu)机非金(jin)属材料，也(ye)包(bao)括有(you)机及(ji)复(fu)(fu)合材料。水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)的分类及(ji)应用(yong)，水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)包(bao)括：磷(lin)酸锌(xin)水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)，聚(ju)羧酸水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)，玻璃(li)离(li)子(zi)水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)，树(shu)(shu)脂加强(qiang)(qiang)型玻璃(li)离(li)子(zi)水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)，传(chuan)统(tong)树(shu)(shu)脂水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)，自(zi)粘接树(shu)(shu)脂水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)。东北临(lin)(lin)床(chuang)水(shui)(shui)(shui)(shui)(shui)门(men)(men)(men)汀(ting)(ting)(ting)(ting)类型

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