Because accurate post fit is important to maximize both retention and support, the screw post should be used with the matched post/reamer syste;and accurate contrangle drilling should be maintained.

 
  • 3.;由于根柱和根柱孔的精密吻合,對于固位及力量傳遞的支持有重要的影響,因此打樁時(shí)要精確做到根柱孔的鄉鉆制,對于偏斜的彎機要避免使用,而且要選用同號組合配對的鉆針。
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