From your history it looks like you have ear infection and the white debris that you visualise can be pus discharge which hardened or debris which is indicative of infection and needs to be cleaned by suction or treated with ear drops . Pain while chewing and swallowing can be associated to this .
Next Steps
Avoid water entering ears white bath , can cover with ear plugs or clean cloth
Health Tips
Ciplox D ear drops can be applied 2 drops thrice daily and see response