摘要: 锤造冠: 锤造全冠是应用合金片经冲压而成的壳状全冠修复体。有无缝冠和焊接冠二种, 优点是制作简单方便。 焊接冠: 表面有焊缝,机械性能差,制作不便,已少用。 应用现代焊接与融接科技,能不能重振“焊接冠”? 锤造全冠与铸造全冠的适应症有时无严格界限。根据病人的牙体条件、经济状况选择。 切割量(牙体): 阅读全文
posted @ 2024-07-02 22:52 abaelhe 阅读(247) 评论(0) 推荐(0)
摘要: https://7esl.com/would-should-could/ Compare Can, Could and Would Can: capacity Could: possibility Would: willingness Home » Knowledge Base » Grammar 阅读全文
posted @ 2024-07-02 00:28 abaelhe 阅读(96) 评论(0) 推荐(0)
摘要: R.F.C. : Request For Comments https://www.rfc-editor.org/rfc/rfc2119 ,Key words for use in RFCs to Indicate Requirement Levels Status of this Memo Thi 阅读全文
posted @ 2024-07-02 00:08 abaelhe 阅读(28) 评论(0) 推荐(0)