Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concern.
As per your complain it seems more like a
soft tissue injury and a hard lump can be a
Hematoma as many a times the hematoma gets localized and encapsulated with inflammatory cells, tissue fibres and broken blood vessels accumulating in the area of injury and there is formation of a hard lump..
The chances of
fracture of cheek bone seems less probable as it would appear as a dent or discontinuation along the jaw bone and not as a lump..
But to be on a safer side consult a Paediatric
dentist or an Oral Surgeon and get evaluated and he can do a clinical evaluation along with x ray to rule out for fracture and if there is a fracture reduction and fixation will have to be done surgically..
In case if there is no fracture doing alternate warm and cool compresses and applying
Heparin gel for faster disintegration of hematoma will help..
Hope this information helps..
Thanks and regards.
Dr.Honey Nandwani Arora..