Dental problems are another possible cause of tinnitus. Tooth abscesses or impacted wisdom teeth can cause tinnitus . In such cases, further dental work will sometimes cure the problem. Other times, the tinnitus gradually becomes fainter over a period of months . One way dental problems can cause tinnitus is by the prolonged neck bending that occurs during dental surgery. Another way is by aggravation of pre-existing TMD. Injury of the nerves during extraction of a wisdom tooth has also been known to cause tinnitus. Another possibility might be inflammation spreading from an infected tooth. There have been cases of bilateral sensorineural hearing loss (which usually causes tinnitus) following dental surgery [36, 37].