Is local anaesthesia during cavity filling at the dentist clinic affect my birth control pills effectiveness ?

No effect : This will not affect birth control.

No: Nothing in local anesthesia will affect your birth control meds. Only concern might be if you are given certain antibiotics which may reduce bc pill effectiveness.

Probably not: It is antibiotic usage that affects birth control pills and not local anaesthesia.

No: Local anesthetic will not interfer with birth controll pills.