Hello!
Popping sound during opening or closing of mouth can occur due to various reasons, most common being traumatic injury or traumatic bite pattern of your jaws. This condition can be reversed at early stages with proper management.
Next Steps
Consult a dentist. Get additional x rays of your affected joint and MRI also if required
Health Tips
Avoid wide mouth opening.For example during yawning, during eating. Try to eat with spoon.