Gerald Frank, age $67,$ had an appointment with Dr$.$ Lamb for examination of his mandibular right side. He has been experiencing sharp, continual pain, and it often keeps him up at night. Upon examination, Dr$.$ Lamb suspects that the mandibular first molar is causing Mr$.$ Frank's problem. What are the key indications for treatment? What diagnostic test may be performed? Identify a possible disganosis and treatment. What are the basic steps in completing this procedure?