What is the results of a small indenture on the forehead at hairline due hitting head on pointed corner of overhead cabinet?

A small indenture on the forehead at the hairline from hitting a pointed corner can indicate a minor contusion or bruise to the underlying soft tissue. While it may be painful and cause swelling, such an injury typically does not result in serious damage if there are no accompanying symptoms like severe headache, dizziness, or confusion. It's advisable to monitor the injury for signs of complications and seek medical attention if symptoms worsen. Applying ice may help reduce swelling and discomfort.