Three dimensional	3D
Cone Beam Computed Tomography	CBCT
Computer-Aided Design	CAD
Computer-Aided Manufacturing	CAM
Additive manufacturing	AM
Distance from the anterior tooth to the middle of the implant	D1-3D
Distance from the ridge margin to the sinus window	D2-3D
Distance from the anterior tooth to the middle of the implant	D1-P
Distance from the ridge margin to the sinus window	D2-P
Standard deviation	(SD)
Operative time without 3D-model-based rehearsal	T0
Operative time with prior-performed rehearsal	T
Optical Coherence Tomography	OCT