利用树脂恢复上颌第一磨牙I类洞的合面形态

<div class="wx_rich_media_content" id="jsWxContainer"><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">上颌第一磨牙在上颌磨牙中体积最大，由5个面，四个牙尖，3个牙根组成。</span><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">这篇文章的目的是用一种教学的方式来讲解如何利用树脂恢复上颌第一磨牙I类洞的合面形态。本文由国外牙医Community发表，爱口腔翻译。如有错误，欢迎指正。</span></p><p contenteditable="false" class=""><br></p><p style="text-align: center;margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲分层充填示意图，总结了下，总共七步即刻完成上颌第一磨牙I类洞的合面形态树脂的恢复</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲上颌第一磨牙Ⅰ类洞制备后的标准洞型参考</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲Ⅰ类洞洞形底平壁直，洞缘曲线圆钝</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲上图所示是第一磨牙的解剖形态，分表示近中颊尖、近中舌尖、远中颊尖、远中舌尖、斜嵴、中央窝、近中窝、远中窝。看不懂的小伙伴不要着急，请看下图</span></p><p contenteditable="false" class=""><br></p><p style="text-align: center;margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px; margin-right: 32px; line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲上图所示是第一磨牙的解剖形态</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲中央窝的定位是最重要的步骤之一，位于近颊尖、远颊尖和近舌尖的中心点。</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲第一步，堆塑出近中舌尖</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲树脂堆塑出的近中舌尖</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲一定要分层，分层充填，并且要合边缘贴合</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲第二步依次堆塑出远颊尖和近颊尖，在堆树脂时候，树脂要适量，每个牙尖的解剖结构要清晰，切记不要一大块一大块的充填树脂。</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲堆塑的远颊尖</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲斜面观近中舌尖和远中颊尖</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲第三步近中颊尖的堆塑</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲堆塑完成的近中颊尖</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲第四步就到了牙尖嵴了</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲第五步就可以开始近中舌尖的近中部分和远中部分的完成，也就是我们所说的斜嵴</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲堆塑完成的近中舌尖近中部分</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲堆塑完成的近中舌尖远中部分</span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;width: 556px;height: 313px;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲近中部分和远中部分的范围，见图牙齿合面白色方框</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲完成后的斜嵴</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲腭侧观</span><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲第六步，也就是最后堆塑的牙尖是远中舌尖，它也是较小的一个牙尖</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲腭侧观看看我们堆塑的远中舌尖</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲最后一步啦，也就是第七步，将近中边缘嵴的形态修复完整</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲修复完成的上颌第一磨牙合面观，是那么的自然、完美</span><br></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲近中观</span><br></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;"> </span></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲腭侧观</span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span class="wxart_image" wx-style="display:inline-block;width: 556px;height: 313px;"> </span></p><p contenteditable="false" class=""><br></p><p style="margin-left: 32px;margin-right: 32px;line-height: 1.75em;" contenteditable="false" class=""><span style="letter-spacing: 1px;font-size: 16px;color: rgb(63, 63, 63);" contenteditable="false" class="">▲最后分享一下分层充填的步骤示意图，建议小伙伴们可以好好收藏起来</span></p><br></div><p></p>