Comparison of time and cost between conventional surgical planning and virtual surgical planning in orthognathic surgery in Korea

Maxillofacial Plastic and Reconstructive Surgery

Table 1 Progress workflow and performer for CSP and VSP

Outpatient workup	CSP		VSP		Performer
	Clinical photograph				Dental hygienist
	2-D radiography (panorama, Lat-cephalogram, PA-cephalogram) Cone-beam computed tomography (CBCT)				Technician
	Interview				Resident
	Group I	Group II	Group I	Group II
Impression (pairs)	2	1	1		Intern
Facebow transfer	Yes	No	No		Resident
Bite registration	2	1	1		Intern
Office workup	Import Lat.-cephalogram		Import CBCT		Resident
	Trace 2-D Lat.-cephalogram		Trace 3-D CBCT
	2-D surgical planning		3-D surgical planning
Mounting	Hanau articulator Simple articulator	Simple articulator	Simple articulator		Intern
Laboratory	Model surgery		Virtual surgery		Resident/technician
Case confirm	No		Yes	No
Stent Fabrication	Manual fabrication		3-D printing

CSP conventional surgical planning, VSP virtual surgical planning, 2-D 2-dimentional, 3-D 3-dimentional, Lat.-cephalogram lateral-cephalogram, PA-cephalogram posterior-anterior cephalogram