Hello,
As per your photograhs, it seems that you don't have any ulcers on your tongue, although these are marks of your teeth, this condition is commonly seen in case of macroglossia i.e., your tongue is bigger as compared to the rest of your mouth and on buccal mucosa those spots seems as Fordyce's granules and these are nothing to be worried about.
Next Steps
Maintain oral hygiene.
Get oral Prophylaxis done
Health Tips
The above suggestion is not final diagnosis.
Please consult clinically with your dentist