Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concerns..
As per your query 40mm mouth opening is sufficient but in case if due to
tobacco chewing habit there is formation of fibres under the mucisa then there can be OSMF and tobacco chewing is most common reason that is Oral
Submucous Fibrosis in which there is formation of thick fibrous
bands below the mucosa of cheeks and lips leading to stiffening and difficulty in mouth opening..
It is a
precancerous condition [although not cancer] and should be taken care of.
It is commonly seen in individuals with tobacco and areca nut chewing habit..
You need to consult an Oral Physician or a
Dentist and get evaluated and he can advise him to apply a
steroid ointment in combination with hyluronidase containing ointment to break fibres..
Intra lesional injections of steroid and hyluronidase can be advised to be injected after every 3 to 4
days..
Anti-oxident like Lycopene is also advised..
Physiotherapy like blowing cheeks, trying to open the mouth under pressure etc can be demonstrated
and advise to be done daily..
Complete cessation of habit of tobacco if you have chewing is must ..
Hope this information helps..
Thanks and regards.
Dr.Honey Nandwani Arora.