Regarding your question specifically there are several things that could be causing the peeling of the roof of your mouth.
Roof of my mouth peeling.
First this could be caused by irritation to your mouth by the cigarette smoke.
Mix teaspoon of baking soda into cold water swish the solution gently into your mouth cavity spit it out after 5 minutes repeat this procedure three times in a day until the mouth burn go away.
Irritation tissue can become damaged when a person continually chews on hard objects such as vitamin tablets lozenges and mints.
Finally people often unconsciously bite their cheeks.
It is important to protect the roof of the mouth as it heals.
You could have a very bad case of gingivitis or even periodontal disease.
Gums peeling is a sign of a more serious condition.
This new skin is often tender and foods with sharp.
Oral lesions are non infectious and can be a sign of the illness that involves other parts of the body.
Inside of mouth peeling can also be caused by frequent or over zealous tooth cleaning with a hard bristled brush.
Simple oral infections are limited to the mouth and are very different from the oral lesions.
They may affect teeth palate roof of the mouth tongue lips and even inside of cheeks.
Bacteria and viruses normally lead to inside of mouth peeling.
If you notice that your gums are peeling away from your teeth you probably have one of these conditions.