The dumbbell bench press is one of the most classic chest exercises you can do to build a bigger chest. That said, it is not the chest alone that powers the dumbbells up on every rep. The shoulders and triceps are very much involved in assisting with the exercise as well. This can be a problem however when either one of these ancillary muscle groups starts to take over the movement and takes away from the contribution of the chest muscles.
In this video, ATHLEAN-X drops The 411 on what you should know. Check him out and tell him what you think. Good stuff to build a body to fight in the future or just survive.