What is the role of a dentist? to educate patients on proper dental hygiene to prevent and correct abnormally spaced teeth to promote healthy teeth and gums to diagnose and treat diseases affecting the teeth and gums

76 year-old has dermatochalasis on bilateral upper eyelids. a blepharoplasty will be performed on the eyelids. a lower incision line was marked at approximately 5 mm above the lid margin along the crease. then using a pinch test with forceps the amount of skin to be resected was determined and marked. an elliptical incision was performed on the left eyelid and the skin was excised. in a similar fashion the same procedure was performed on the right eye. the wounds were closed with sutures. the correct cpt® code(s) is/are? a. 15822, 15823-51b. 15823-50c. 15822-50d. 15820-lt, 15820-rt