Hello
If u hv such a big bleeding cavity in ur tooth thn possibly it needs to b fixed by...Root canal treatment only.....or either Extraction ....
since ur tooth seems strong n not broken nor mobile ...u shd opt for RCT under local anaesthetic....this way the treatment will b painless for U .....
Next Steps
pls consult near by dentist n get rid of tooth infection asap....
Health Tips
place a cotton role inside the cavity after brushing in the morning....n remove it only at night before going to bed....this way food will not accumulate inside ur cavity n fermentation of food will b lessened