三种根充材料临床使用效果对比，你常用的是哪种？

<div class="wx_rich_media_content" id="jsWxContainer"><section data-support="96编辑器" data-style-id="31400" style="outline: 0px; font-family: Optima-Regular, PingFangTC-Light, 微软雅黑; letter-spacing: 2px; font-size: 15px; visibility: visible;" contenteditable="false" class=""><section style="margin-top: 10px;margin-bottom: 10px;outline: 0px;visibility: visible;" contenteditable="false" class=""><section style="outline: 0px;border-width: 1px;border-style: solid;border-color: rgb(191, 226, 248);border-radius: 0px 0px 8px 8px;visibility: visible;" contenteditable="false" class=""><section style="padding: 15px; outline: 0px; color: rgb(152, 183, 225); visibility: visible;" contenteditable="false" class=""><p style="outline: 0px;visibility: visible;" contenteditable="false" class=""><span style="outline: 0px;font-size: 16px;color: rgb(0, 0, 0);visibility: visible;" contenteditable="false" class="">根管充填(以下简称根充)是根管治疗全过程中又一关键步骤。根充目的是严密封填全根管系统，杜绝再感染。然而到目前为止,没有一种根充方法能完全封闭根管系统，阻止微渗漏的发生，而且完善的根充必须建立在良好的根管预备的基础上。</span></p><p style="outline: 0px;visibility: visible;" contenteditable="false" class=""><br style="outline: 0px;visibility: visible;"></p><p style="outline: 0px;visibility: visible;" contenteditable="false" class=""><span style="outline: 0px;font-size: 16px;color: rgb(0, 0, 0);visibility: visible;" contenteditable="false" class="">本文讲解的是牙胶、普通糊剂、生物陶瓷在根充中的临床使用效果对比。</span><span style="outline: 0px;font-size: 16px;color: rgb(51, 51, 51);visibility: visible;" contenteditable="false" class=""></span></p></section></section></section></section><section style="outline: 0px; font-family: Optima-Regular, PingFangTC-Light, 微软雅黑; font-size: 16px; letter-spacing: 2px; visibility: visible;" contenteditable="false" class=""><section style="outline: 0px;visibility: visible;" contenteditable="false" class=""><section data-role="outer" label="Powered by 135editor.com" style="outline: 0px;visibility: visible;" contenteditable="false" class=""><section data-role="paragraph" style="outline: 0px;visibility: visible;" contenteditable="false" class=""><section style="outline: 0px;visibility: visible;" contenteditable="false" class=""><section style="outline: 0px;visibility: visible;" contenteditable="false" class=""><section style="outline: 0px;visibility: visible;" contenteditable="false" class=""><section data-tools="135编辑器" style="outline: 0px;border-width: 0px;border-style: none;border-color: initial;visibility: visible;" contenteditable="false" class=""><section data-width="100%" style="outline: 0px;width: 544px;text-align: center;visibility: visible;" contenteditable="false" class=""><section style="outline: 0px;visibility: visible;" contenteditable="false" class=""><p style="outline: 0px;text-align: left;visibility: visible;" contenteditable="false" class=""><br style="outline: 0px;visibility: visible;"></p><p style="outline: 0px;text-align: left;visibility: visible;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;text-align: center;color: rgb(62, 62, 62);border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 544px !important;"> </span></p><p style="outline: 0px;text-align: left;visibility: visible;" contenteditable="false" class=""><br style="outline: 0px;visibility: visible;"></p><p style="outline: 0px;text-align: left;visibility: visible;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center; visibility: visible;" contenteditable="false" class="">通俗地讲，根管治疗本身就是一个消除感染、防止外界刺激再进入的过程。可是为了达到这一目的，多少医生和学者数年来都在不断研究根管治疗的方式和方法，现如今根管治疗的流程越发完善和规范。依照上图这个流程，我们不仅能得到漂亮的根充片，还能保证稳定而可靠的长期疗效，然而临床上依然会有特殊情况发生。</span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">即使按照整个流程做下来，有时会发现根尖暗影没有消失反而增大了；</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">有些根尖片上显示根尖质量很差的病例，牙齿使用得反而很好，没有根尖暗影也没有根尖症状；</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">很多年前做的干髓和塑化治疗，功能行使得也很好。</span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class=""><br style="outline: 0px;"></span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">那么，</span><strong style="outline: 0px; letter-spacing: 1px; text-align: center;">有阴影有症状的牙齿就一定要打开重新手术吗？无暗影无症状但根充不严密、欠充甚至没做过根管治疗的牙齿，一定要重新根管治疗吗？</strong></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><strong style="outline: 0px; letter-spacing: 1px; text-align: center;"></strong><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;text-align: center;color: rgb(62, 62, 62);border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 544px !important;"> </span><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;text-align: center;color: rgb(62, 62, 62);border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 544px !important;"> </span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class="">▲<span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">如上图两个转诊过来的病例都已经治疗10余年，患者没有任何症状，第二个根管治疗后反而出现了自发性地隐痛。</span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">因此，仅有根管的彻底清创和封闭是远远不够的，</span><strong style="outline: 0px; letter-spacing: 1px; text-align: center;">根管治疗的长期稳定性还要考虑冠方封闭、咬合因素、牙周因素和牙根自身抗力情况等。</strong></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class=""><br style="outline: 0px;"></span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">治疗后，牙齿丧失了牙髓，便丧失了感觉、营养、修复及调控机能，失去了抵抗外界刺激的能力，自身机体的免疫防御屏障原本在牙髓处，牙髓去掉后被迫转移到了根尖周部位，这就要求有更高质量的冠方和根方的双闭来阻止外界刺激的进入。</span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;color: rgb(62, 62, 62);border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 544px !important;"> </span></span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class=""></span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">图片显示，做完根充后，在愈合的过程中，根尖孔的周围会形成新生的牙骨质，把根尖整个包绕起来，这样根管内的材料、细菌及感染组织会跟根尖组织完全隔离开来，以此来维持根尖周的长期健康。</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">相对而言，</span><strong style="outline: 0px; letter-spacing: 1px; text-align: center;">当我们把根管清理得越彻底、充填得越致密，就越有利于机体重新建立平衡，治疗的成功率就更高，所以有必要把根管预备和充填做到更好。</strong></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><section data-support="96编辑器" data-style-id="34282" style="outline: 0px;" contenteditable="false" class=""><section style="margin-top: 10px;margin-bottom: 10px;outline: 0px;" contenteditable="false" class=""><section style="outline: 0px;display: inline-block;" contenteditable="false" class=""><section style="margin-right: auto;margin-left: auto;outline: 0px;height: 0px;width: 0px;border-top: 3.4em solid rgb(254, 254, 254);transform: rotateZ(0deg);border-left: 2.4em solid transparent !important;border-right: 2.4em solid transparent !important;" contenteditable="false" class=""><br style="outline: 0px;"></section><section style="margin-top: -55px;outline: 0px;font-size: 22px;transform: rotateZ(0deg);" contenteditable="false" class=""><p style="outline: 0px;" contenteditable="false" class="">vs</p></section><section style="margin-top: -30px;outline: 0px;" contenteditable="false" class=""><section style="outline: 0px;background-image: linear-gradient(90deg, rgb(252, 162, 48) 50%, rgb(35, 119, 193) 50%);border-radius: 60px;" contenteditable="false" class=""><section style="outline: 0px;display: flex;justify-content: center;align-items: center;" contenteditable="false" class=""><section style="padding: 4px 40px 4px 30px;outline: 0px;color: rgb(255, 255, 255);font-size: 18px;" contenteditable="false" class=""><p style="outline: 0px;" contenteditable="false" class="">牙胶</p></section><section style="padding: 4px 30px 4px 40px;outline: 0px;color: rgb(255, 255, 255);font-size: 18px;" contenteditable="false" class=""><p style="outline: 0px;" contenteditable="false" class="">   普通糊剂</p></section></section></section></section></section></section></section><section style="outline: 0px;" contenteditable="false" class=""><p style="outline: 0px;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;outline: 0px;letter-spacing: 1px;color: rgb(62, 62, 62);text-align: center;border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 544px !important;"> </span><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">Louis Grossman提出了根管填充材料需具备的12大特性。</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">那么，现在根充用到的材料牙胶尖和根尖糊剂性能如何呢？</span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><section data-support="96编辑器" data-style-id="34296" style="outline: 0px;" contenteditable="false" class=""><section style="margin-top: 10px;margin-bottom: 10px;outline: 0px;text-align: left;" contenteditable="false" class=""><section style="outline: 0px;display: inline-block;" contenteditable="false" class=""><section style="outline: 0px;display: flex;justify-content: center;align-items: center;" contenteditable="false" class=""><section style="outline: 0px;background-color: rgb(175, 177, 189);border-radius: 30px;width: 10px;height: 38px;" contenteditable="false" class=""><br style="outline: 0px;"></section><section style="outline: 0px;" contenteditable="false" class=""><section style="outline: 0px;width: 10px;height: 2px;background-color: rgb(175, 177, 189);" contenteditable="false" class=""><br style="outline: 0px;"></section><section style="margin-top: 14px;outline: 0px;width: 10px;height: 2px;background-color: rgb(175, 177, 189);" contenteditable="false" class=""><br style="outline: 0px;"></section></section><section style="padding: 3px;outline: 0px;background-color: rgb(253, 204, 44);border-radius: 8px;" contenteditable="false" class=""><section style="padding: 3px 16px;outline: 0px;border-width: 1px;border-style: solid;border-color: rgb(254, 254, 254);border-radius: 8px;color: rgb(255, 255, 255);" contenteditable="false" class=""><p style="outline: 0px;" contenteditable="false" class=""><strong style="outline: 0px;">牙胶的局限性——收缩</strong></p></section></section></section></section></section></section><section style="outline: 0px;" contenteditable="false" class=""><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p></section><p style="outline: 0px;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px;" contenteditable="false" class=""></span><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;color: rgb(62, 62, 62);border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 371px !important;"> </span></p><p style="outline: 0px;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">牙胶尖的特性相对稳定，具有一定的抑菌性，充填在根管中也方便在治疗时取出，所以牙胶尖是主要载体。</span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class=""></span><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;text-align: center;color: rgb(62, 62, 62);border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 544px !important;"> </span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">冷牙胶是由多个牙胶尖充填，塞得再满也会留有很大空隙，这些空隙只能由糊剂来弥补，常规糊剂的物理和化学性能还是不如牙胶稳定；</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">然而热牙胶在加热后有很好的流动性，在一定压力下可以填充到根管的大部分区域，如此可将糊剂的用量降到最低。</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">所以，热牙胶比冷牙胶更有优势</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">。</span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class=""></span><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;text-align: center;color: rgb(62, 62, 62);border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 544px !important;"> </span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">牙胶在加热状态下会膨胀，但在冷却过程中会明显地出现体积收缩，很多学者已经通过实验证明了这一点，</span><strong style="outline: 0px; letter-spacing: 1px; text-align: center;">在收缩过程中牙胶的收缩比最大可达7%。</strong><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">因此，为了有效地补偿热牙胶在冷却中的收缩，要求在充填时保持对牙胶的持续加压，无形中加大了操作的敏感性和不确定因素。</span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><section data-support="96编辑器" data-style-id="34296" style="outline: 0px;" contenteditable="false" class=""><section style="margin-top: 10px;margin-bottom: 10px;outline: 0px;text-align: left;" contenteditable="false" class=""><section style="outline: 0px;display: inline-block;" contenteditable="false" class=""><section style="outline: 0px;display: flex;justify-content: center;align-items: center;" contenteditable="false" class=""><section style="outline: 0px;background-color: rgb(175, 177, 189);border-radius: 30px;width: 10px;height: 38px;" contenteditable="false" class=""><br style="outline: 0px;"></section><section style="outline: 0px;" contenteditable="false" class=""><section style="outline: 0px;width: 10px;height: 2px;background-color: rgb(175, 177, 189);" contenteditable="false" class=""><br style="outline: 0px;"></section><section style="margin-top: 14px;outline: 0px;width: 10px;height: 2px;background-color: rgb(175, 177, 189);" contenteditable="false" class=""><br style="outline: 0px;"></section></section><section style="padding: 3px;outline: 0px;background-color: rgb(253, 204, 44);border-radius: 8px;" contenteditable="false" class=""><section style="padding: 3px 16px;outline: 0px;border-width: 1px;border-style: solid;border-color: rgb(254, 254, 254);border-radius: 8px;color: rgb(255, 255, 255);" contenteditable="false" class=""><p style="outline: 0px;" contenteditable="false" class=""><strong style="outline: 0px;">糊剂：收缩，容易被吸收，缺乏粘接性</strong></p></section></section></section></section></section></section><section style="outline: 0px;" contenteditable="false" class=""><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;color: rgb(62, 62, 62);border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 391px !important;"> </span></p><p style="outline: 0px;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;text-align: center;color: rgb(62, 62, 62);border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 544px !important;"> </span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">从上面的案例可以看出，术后糊剂从根尖口外被挤出，1个月后超出的糊剂居然完全不见了。</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">超出去的糊剂是在组织液这个湿润的环境里，对于树脂类糊剂是无法在湿润的环境中进行正常的反应和固化的。</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">后期实验证明，连在根尖内的糊剂也会被吸收。</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">实际的临床操作中，很难让根尖完全干燥，所以状态不稳定并会对机体产生刺激。</span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class=""><br style="outline: 0px;"></span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class=""></span><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;color: rgb(62, 62, 62);text-align: center;border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 544px !important;"> </span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><strong style="outline: 0px;letter-spacing: 1px;color: rgb(62, 62, 62);text-align: center;"><span style="outline: 0px;color: rgb(68, 68, 68);" contenteditable="false" class="">牙胶、糊剂、牙本质相互分离，现有方法无法达到严密充填。</span></strong></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><section data-support="96编辑器" data-style-id="33932" style="outline: 0px;" contenteditable="false" class=""><section style="margin-top: 10px;margin-bottom: 10px;outline: 0px;" contenteditable="false" class=""><section style="outline: 0px;display: inline-block;" contenteditable="false" class=""><section style="padding-right: 4px;padding-bottom: 4px;padding-left: 3px;outline: 0px;border-width: 1px;border-style: solid;border-color: rgb(88, 114, 209);" contenteditable="false" class=""><section style="padding: 4px 20px;outline: 0px;background-color: rgb(247, 248, 255);color: rgb(88, 114, 209);font-size: 18px;" contenteditable="false" class=""><p style="outline: 0px;" contenteditable="false" class=""><span style="outline: 0px;font-size: 16px;" contenteditable="false" class=""><strong style="outline: 0px;">生物陶瓷是完美的根充材料吗？</strong></span></p></section></section><section style="margin-top: -3px;margin-right: auto;margin-left: auto;outline: 0px;background-color: rgb(255, 199, 86);width: 80px;height: 4px;" contenteditable="false" class=""><br style="outline: 0px;"></section></section></section></section><section style="outline: 0px;" contenteditable="false" class=""><p style="outline: 0px;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;color: rgb(62, 62, 62);border-width: 1px;border-style: solid;border-color: rgb(238, 237, 235);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;background-color: rgb(238, 237, 235);background-size: 22px;background-position: 50% 50%;background-repeat: no-repeat;visibility: visible !important;width: 382px !important;"> </span></p><p style="outline: 0px;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">生物陶瓷</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">在口腔科被用于拔牙位点保存、种植体表面涂层、瓷修复体、根充材料、人造骨粉。</span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class=""></span><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;text-align: center;color: rgb(62, 62, 62);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;visibility: visible !important;width: 544px !important;"> </span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class=""><span style="outline: 0px;" contenteditable="false" class="">上图是生物陶瓷在牙体牙髓</span><span style="outline: 0px;" contenteditable="false" class="">科的所有应用。</span></span><strong style="outline: 0px; letter-spacing: 1px; text-align: center;">它具有亲水性，固化后不会被吸收，反而会有0.2%的膨胀；可维持较高的PH值，抑菌性好；可以生成类似牙骨质和牙周膜的组织，与骨组织、牙本质完全结合；具有很好的流动性，可以很好地充填到管间狭区。</strong></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><strong style="outline: 0px; letter-spacing: 1px; text-align: center;"><br style="outline: 0px;"></strong></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><strong style="outline: 0px; letter-spacing: 1px; text-align: center;"></strong><span class="wxart_image" wx-style="display:inline-block;margin-right: 8px;margin-bottom: 8px;outline: 0px;letter-spacing: 1px;text-align: center;color: rgb(62, 62, 62);box-shadow: rgb(102, 102, 101) 3.53553px 3.53553px 8px;border-radius: 0px;visibility: visible !important;width: 544px !important;"> </span></p><p style="outline: 0px;" contenteditable="false" class=""><span style="outline: 0px;font-size: 14px;" contenteditable="false" class=""><em style="outline: 0px;"><span style="outline: 0px;" contenteditable="false" class="">▲充填方式是同步液压充填（上图是具体步骤）。</span></em></span></p><p style="outline: 0px;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">然而，</span><strong style="outline: 0px; letter-spacing: 1px; text-align: center;">生物陶瓷糊剂在充填过程中容易产生气泡，气泡若位于根管壁和糊剂之间或糊剂与牙胶之间，便有可能为微渗漏埋下隐患。</strong><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">后期研究表明，单尖+超声的方法产生的气泡最少。</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">它还可被用于微创根管治疗。</span></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><br style="outline: 0px;"></p><p style="outline: 0px;text-align: left;" contenteditable="false" class=""><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class="">根管充填发生了质的飞跃，操作越来越简单，结果越来越可控。</span><span style="outline: 0px; letter-spacing: 1px; text-align: center;" contenteditable="false" class=""><span style="outline: 0px;" contenteditable="false" class="">有研究表明，牙齿的自体组织才是最好的充填物，根据此原理已经运用到临床的</span><span style="outline: 0px;" contenteditable="false" class="">已牙髓血运重建经可以用于简单根管治疗。</span></span></p></section></section></section></section></section></section></section></section></section></section></section></section></section><p style="outline: 0px; font-family: system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif; letter-spacing: 0.544px;" contenteditable="false" class=""><span style="outline: 0px;font-size: 14px;color: rgb(178, 178, 178);" contenteditable="false" class="">来源:牙科学习网</span></p><p style="display: none;" class=""><mp-style-type data-value="3"></mp-style-type></p></div><p></p>