Aim: To evaluate the clinical effect on pulpal-periapical diseases treated with the compound hydroxyapatite and titanium point root canal filling materials.
目的:观察复方羟磷灰石钛尖根管充填料治疗牙髓尖周病的临床疗效。
Objective To study the absorbent properties of standard paper point in simulant root canal in vitro.
目的研究模拟根管中标准纸尖的吸液性能。
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