stabilizing fulcrum line

sta·bi·liz·ing ful·crum line

an imaginary line connecting occlusal rests, around which line the denture tends to rotate under masticatory force.

sta·bi·liz·ing ful·crum line

(stābĕl-īz-ing fulkrŭm līn)
Imaginary line connecting occlusal rests, around which denture tends to rotate under masticatory force.