The skull is not perfectly round or smooth, so it is normal to feel slight bumps and ridges. However, a dent in the head, especially if it is new, requires a trip to the doctor to determine the cause.

Is it normal to have indentations in your skull?

The takeaway

While it's common for the shape of people's skulls to vary, a new dent or irregularity in your skull can occasionally indicate a serious health condition. Dents in your skull can be caused by trauma, cancer, bone diseases, and other conditions.

Why does my skull have ridges?

The folds and ridges, that give the appearance of a brain on top of the head, is an indication of an underlying disease: cutis verticis gyrata (CVG). The rare disease causes a thickening of the skin on the top of the head which leads to the curves and folds of the scalp.