These results implied that the focused microwave-assisted extraction method was a promising method for the extraction of guttapercha.
两种方法所获产品纯度相差不大，显示了聚焦微波助提法提取杜仲胶的高效能。
2
The result indicated that the irritation of the MPU 03 material on periapical tissue was less than the root canal sealer and Guttapercha( P< 0.01).
结果显示：MPU-03材料对根尖周组织的刺激性明显轻于常规的糊剂牙胶尖充填材料（P＜0．01）。
3
Eucommia ulmoides gum(guttapercha or balata) is a crystalline particle existing in the bark and leaf of Duzhong tree (Eucommia ulmoides Oliv), and to extract E.