id	keyword
dentistry3000-569	fatigue
dentistry3000-569	resistance
dentistry3000-569	2shape
dentistry3000-569	degrees
dentistry3000-569	fatigue resistance
dentistry3000-569	file
dentistry3000-569	canal
dentistry3000-569	instruments
dentistry3000-569	edge
dentistry3000-569	study
dentistry3000-569	rotary
dentistry3000-569	curvature