老年人牙周炎特点:1、牙龈退缩多,易发生牙本质敏感症;根分叉病变增多,容易引起逆行性牙髓炎;食物易嵌塞,菌斑堆积;牙龈退缩,牙根面暴露.2、牙槽骨吸收呈水平或垂直形式.3、牙龈红肿出血,严重时会自发性出血.
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