Abstract: In general, the invention comprises a composite paste (“try-in paste”) made with the same or similar components in similar proportions as a veneer cement except part or all of the initiation system is removed or reduced to cause it to have an extended working time under the type of ambient light conditions expected during the trial placement of the veneer. Preferably, the imitator is decreased by not eliminated from the try-in paste. The invention can be presented in the form of a kit containing one or more shades of veneer cement with corresponding shades of try-in paste.