The exposures you describe are quite low risk overall.
First off- if you have been vaccinated for Hepatitis B ( and responded to the vaccine( up to 10-20% of people do not), then you have no risk of Hepatitis B.
The exposures you describe would not be risky for Hepatitis C- Hep C can be transmitted sexually- but predominantly with anal sex/ mucosa injury/ exchange of blood.
HIV would also be very uncommon- kissing is not generally a risk for HIV, and oral sex is generally rather safe- the risk with oral sex is likely under 1 in 10 000.
There is some risk for gonorrhea, or syphilis ( and much less for chlamydia) with oral sex- especially if you develop a sore throat I would be tested for these organisms.
To reassure yourself, you can certainly be tested for HIV- but the risk is extremely low.
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