The interior trim assembly for a motor vehicle is of the type comprising a framework and a panel for concealing an airbag comprising a flap a peripheral region surrounding the flap and attached to the framework, a hinge-forming strip having a flap portion attached to the flap, a framework portion attached to the framework, and a hinge portion extending between the flap portion and the framework portion. The region of the hinge portion adjacent to the framework portion may be covered by a protecting element and the region of the hinge portion adjacent to the flap region is exposed.