id	keyword
bjos-8674307	extraction
bjos-8674307	orthod
bjos-8674307	incisor
bjos-8674307	treatment
bjos-8674307	lower
bjos-8674307	doi
bjos-8674307	j orthod
bjos-8674307	torque
bjos-8674307	class
bjos-8674307	incisor extraction
bjos-8674307	cephalometric
bjos-8674307	mandibular