Since when have been diagnosed with abdominal TB and duration of medication of the same is not mentioned. Go to a medical hospital where there is a dental unit. Do carry all your medical reports.
Next Steps
Elective dental treatment is usually deferred until patient is found non infective by your attending physician, so do carry a medical certificate from your physician who is treating you.
Health Tips
You can you use a mouth Rhine or mouthwash to gargle with pain relieving medication until you seek dental help.