1. To restitute archaic geographical entironment and make a discussion disc combined with the cause of the New Stone Age culture area variety by entironment vicissitude. ��ԭ�Ŵ�������������ϻ�����Ǩ�Ի�̫��������ʯ��ʱ���Ļ�����ı仯ԭ�����̽�֡�
2. The absence of oral maxillofacial region is the common clinical problem. There are so many questions to restitute the absence in traditional ways and the effect is not satisfied. ��ǻ��沿ȱ�����ٴ��������⣬���ô�ͳ�ķ���������������������⣬Ч�����������⣬��ѧ����Ŀ��ת��������֯��ֲ��
3. Human organism could keep healthy through regulating homeostasis itself, but when interference force is above self-regulation force, external factors are needed to restitute the homeostasis. �����ͨ����������̬��ά������ض��ﵽ����״̬��ά�֣��������ų�����ϵͳ����������ʱ����������Ȼ�����Ҫ�����������ؽ�����̬��
ӢӢ����
v.
1. give or bring back
2. restore to a previous or better condition