Effect of Piezosurgery on Root-end Surface Roughness in Root Apical Surgery

doi:10.13701/j.cnki.kqyxyj.2020.04.015

Abstract

Abstract: Objective: To compare the difference in root-end surface roughness after root-end resection by piezosurgery, fissure bur, and diamond bur. Methods: 60 teeth according to inclusion criteria were randomly divided into three groups (piezosurgery group, fissure bur group, and diamond bur group). Then, three group teeth were removed root tip 3mm respectively by piezosurgery , fissure bur, and diamond bur. The root-end surface roughness (Ra) was measured and the surface morphology was observed by microscope. Results: The Ra values of three groups were respectively (0.470±0.071) μm, (0.567±0.100) μm, and (2.354±0.313) μm. Significant difference was found between piezosurgery group and diamond bur group (P<0.01). There was no statistically difference between piezosurgery group and fissure bur group (P>0.05). Conclusion: Compared to traditional fissure bur and diamond bur, root-end resection with piezosurgery in apical surgery will produce smoother root-end surface.

Key words: root apical surgery, root-end resection, root-end surface roughness

MA Yanqun. Effect of Piezosurgery on Root-end Surface Roughness in Root Apical Surgery[J]. Journal of Oral Science Research, 2020, 36(4): 369-371.

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