The fact is that there is a lot more study and testing to be done in order to figure out why some prints don't hold up better than other prints when they are over-cured.
It is clear, nevertheless, that 3D resin curing takes place even after being exposed to UV rays and heat.
The greatest solution to these tough printing problems is to carefully observe resin prints as they cure and use necessary methods, such as utilizing a UV-a shield, to ensure your prints are properly cured.