A3型题 男性，25岁，体健，吸烟每日一包。主诉：牙龈自动出血，伴牙龈疼痛、腐败性口臭5天。临床检查：龈缘呈虫蚀状，表面覆盖坏死假膜。此患者最佳的首诊治疗措施是
A
口服抗菌药物 B
彻底除净牙石及菌斑，3％H<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12259931_0.gif">O<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12259931_0_1.gif">冲洗 C
去除大块牙石及坏死物，3％H<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12259931_0_2.gif">O<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12259931_0_3.gif">冲洗 D
全身给予维生素C、蛋白质等支持疗法 E
1％～3％H<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12259931_0_4.gif">O<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12259931_0_5.gif">含漱1周
