Firstly, clenching can cause sensitivity if not discontinued. You can use a habit breaker to quit clenching. Secondly overbite can be corrected with orthodontic braces, duration depends on the intensity.
Next Steps
visit an orthodontist at the earliest possibe
Health Tips
habit breaker appliances can be used to stop clenching. night guards can be used. stress should be reduced to stop or reduce this habit.