id	keyword
fumecheng-7717	crack
fumecheng-7717	enamel
fumecheng-7717	element
fumecheng-7717	fracture
fumecheng-7717	vcct
fumecheng-7717	materials
fumecheng-7717	fig
fumecheng-7717	closure
fumecheng-7717	model
fumecheng-7717	finite
fumecheng-7717	analysis
fumecheng-7717	technique
fumecheng-7717	method
fumecheng-7717	factors