6257rv7 发表于 2024-8-7 18:01:04

六大基本原则——牙医做牙体预备的基本标准


    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">牙体预备属于不可逆的临床处置,<span style="color: black;">必须</span>以<span style="color: black;">精细</span>预备量为<span style="color: black;">基本</span>的正确手法进行操作。在操作时<span style="color: black;">必须</span>严格地遵守以下6个原则。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">01<strong style="color: blue;">确定正确且<span style="color: black;">知道</span>的肩台终止线</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong>在牙体预备时,<span style="color: black;">必须</span>将肩台终止线的弧线修整光滑,<span style="color: black;">保证</span>修复体边缘与基牙的密合性。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong><span style="color: black;">按照</span>修复体的<span style="color: black;">区别</span>,肩台形态<span style="color: black;">能够</span><span style="color: black;">选取</span>凹形肩台<span style="color: black;">或</span>斜面肩台。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q6.itc.cn/q_70/images03/20240729/ffa4081a85254b32b82f01b001d85ac4.jpeg" style="width: 50%; margin-bottom: 20px;"></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">02<strong style="color: blue;">考虚维持修复体<span style="color: black;">稳妥</span>的固位力、抗力</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong>固位形一一防止修复体从就位方向脱落的形态。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong>抗力形一一防止修复体受倾斜外力(咬合力)脱落的形态。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong>以增大固位力与抗力为原则。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">a)<span style="color: black;">保准</span>从肩台至牙冠长1/3以上的部分轴壁倾斜角3,聚合角6</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">b)<span style="color: black;">增多</span>与修复体的接触面积,基牙的形态自然,与牙齿形态<span style="color: black;">类似</span>。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">c)<span style="color: black;">尽可能</span><span style="color: black;">保证</span>基牙的高度,<span style="color: black;">没法</span><span style="color: black;">保准</span>时可采用轴沟、箱体、钉洞来限制脱位路径。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">d)除肩台部,切角部外,不要对基牙进行过度抛光。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">03<strong style="color: blue;"><span style="color: black;">思虑</span>修复体的耐久性</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong>留出充分的修复空间,<span style="color: black;">增多</span>修复体的强度。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">04<strong style="color: blue;">尽可能<span style="color: black;">保存</span>牙体</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong><span style="color: black;">重视</span>保持必要的最小预备量。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong>预先确定好<span style="color: black;">最后</span>修复体的外形。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">05<strong style="color: blue;"><span style="color: black;">重视</span>不要<span style="color: black;">损害</span>牙周组织</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong>将终止线设置在龈上(Supragingival)。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong>若将终止线设置在龈下,则深度为0.5~1.0mm。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong>终止线距离牙槽骨顶的高度不得少于2.0~2.5mm。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">06<strong style="color: blue;">尽可能<span style="color: black;">保存</span>活髓牙的牙髓</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong><span style="color: black;">重视</span>高速涡轮手机的中轴不要抖动。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong>充分喷水冷却。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong><span style="color: black;">运用</span>尚未磨耗的金刚砂车针(<span style="color: black;">掰开</span><span style="color: black;">运用</span>活髓牙、死髓牙的车针)。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong>轻压、间歇预备。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">*</strong><span style="color: black;">尽可能</span>在<span style="color: black;">短期</span>内完成预备。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">牙体预备、暂时性修复体调整、制取印模等精细操作的程度,直接影响<span style="color: black;">最后</span>的治疗结果。寻求牙周组织与修复体的协调性,<span style="color: black;">作为</span>修复工作的制胜点。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">在<span style="color: black;">平常</span>治疗中,遇到戴入修复体后发炎的症状,<span style="color: black;">咱们</span><span style="color: black;">通常</span>会<span style="color: black;">根据</span>Kois<span style="color: black;">归类</span>进行<span style="color: black;">原由</span><span style="color: black;">查询</span>,如下:</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">1、存在细菌</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">2、肩台精度</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">3、牙冠外形突度</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">4、肩台位置</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">5、金属过敏</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">6、咬合创伤</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q7.itc.cn/q_70/images03/20240729/27ab4bd9765244d59cc04e9426f7030e.jpeg" style="width: 50%; margin-bottom: 20px;"></p>
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情迷布拉格 发表于 2024-9-9 07:25:14

外贸B2B平台有哪些?

nqkk58 发表于 2024-10-17 00:45:44

“BS”(鄙视的缩写)‌

wrjc1hod 发表于 2024-10-19 12:06:44

我赞同你的看法,你的智慧让人佩服,谢谢分享。

1fy07h 发表于 2024-10-30 10:21:10

我们有着相似的经历,你的感受我深有体会。

b1gc8v 发表于 11 小时前

“板凳”(第三个回帖的人)‌
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