It's not really an issue of whether it's normal not to lay after being egg bound. Any sort of stress or trauma will affect egg laying. She has experienced trauma to her reproductive tract and it's recommended to treat her for a calcium deficiency to reduce the chances of it happening again as...
How old is this hen? And yes, this can be a chronic issue with some hens, especially after they reach a certain age.
Treating an egg bound hen with a calcium citrate with D3 supplement boosts her blood calcium immediately, and that can produce contractions to get the obstruction cleared. But...