【名词&注释】
胶结剂(cementing agent)、第三磨牙伸长(hyper-erupted third molar)、藻酸盐印模材料(alginate impression material)、治疗高血压(treatment of hypertensive)、注射硬化剂(injection of sclerosing agent)
[单选题]拔牙患者,血压高于多少时,应先治疗高血压
A. ≥18.6/12kPa
B. ≥21.3/12.7kpa
C. ≥24.0/13.3kPa
D. ≥26.7/16.0kPa
E. ≥33.8/15.6kPa