The temple itself is an indent, but above that indent is not likely to be another indent. As the others mentioned go see a doctor and have them touch your head

The temple itself is an indent, but above that indent is not likely to be another indent. As the others mentioned go see a doctor and have them touch your head instead of expensive scans. If you are feeling it, they should too. A nurse should also be able to feel it and tell you if something is concerning and if you should schedual a visit with a doctor.