Alveoplasty is a surgical procedure for recontouring the supporting bone. This is done to address significantly irregular bony areas.
D7310: Alveoloplasty in conjunction with extractions –four or more teeth or tooth spaces, per quadrant. It is used when bone recontouring is performed involving 4 or more teeth.
D7311: Alveoloplasty in conjunction with extractions –one to three teeth or tooth spaces, per quadrant.
The two codes used above are when the alveoloplasty is a distinct surgical procedure from other surgical extractions.
D7320: Alveoloplasty not in conjunction with extractions - four or more teeth or tooth spaces, per quadrant.
D7321: Alveoloplasty not in conjunction with extractions - one to three teeth or tooth spaces, per quadrant.