Will the plan b work if i let it dissolve under my tongue and then swallowed the dissolve pill with water?

Yes, as long as you take the whole contents of the pill and take it within 72 hour of sex, it is about 95% effective in preventing pregnancy. If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD. Practice safe sex : https://www.hopkinsmedicine.org/health/wellness-and-prevention/safer-sex-guidelines Get HPV vaccine.