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As a rule dog bite should not be stitched, the wound should get healthy first, later a delayed suturing may be done when a healthy granulation grows.
You should get the stitches removed till your doctor is sure of a healthy granulation tissue fit for a secondary closure.
Another important step is immunization
, if the dog was not immunized against rabies
then you must get a full immunisation against rabies because once symptomatic the rabies is universally fatal.
Still another important step is to get tetanus
Wish you a great health!