Table 6.

Implant geometries related to the bone densities [22,47,102].

Titanium Implant		Macrogeometry			Microgeometry (Thread Design)
Bone Density	Implant Placement Condition	Shape	Diameter	Length	Shape	Pitch	Width	Depth
High	-	-Cylindrical -Conical -Hybrid design (apical conical and crestal cylindrical)	All	All (≥6 mm)	-V-thread -Square thread -Buttress thread	Standard (1.2 mm)	Standard (0.18–0.30 mm)	Standard (0.42 mm)
Low	-	-Conical -Conical with crestal back taper -Cylindrical design with apical taper	Wider (≥4 mm)	Longer (9–11 mm)	-Reverse buttress -Self-tapping	🡇 Lower than the standard	Standard	🡅 Higher than the standard
-	Immediate	-Conical	≥4 mm	≥11 mm	-Self-tapping	-	-	-