factors that must be judged acceptable prior to the initiation of therapy are ( 1 ) esthetics , ( 2 ) clinical root length , ( 3 ) root proximity , ( 4 ) root morphology , ( 5 ) furcation location , ( 6 ) individual tooth position , ( 7 ) collective tooth position , and ( 8 ) the ability to restore teeth .
C2825929
furcation
C0040426
teeth