Finite element analysis of the stress distributions in peri-implant bone in modified and standard-threaded dental implants

Figures & data

Figure 1. Implant models used in this study: Nobel Replace and Nobel Active (Nobel Biocare, Zurich, Switzerland).

Table 1. Quantitative characteristics of implants.

Characteristics	Nobel Replace	Nobel Active
Collar height (mm)	1.50	1.30
Thread height (mm)	12.70	11.13
Thread pitch (mm)	0.71	2.40
Tip diameter (mm)	2.56	3.20
Major diameter (mm)	4.30	4.30
Total length (mm)	13.00	13.00

Table 2. Stress distributions of peri-implant bone tissues.

	Nobel Active		Nobel Replace
Loadings	Cortical bone (MPa)	Trabecular bone (MPa)	Cortical bone (MPa)	Trabecular bone (MPa)
FI (0°)	12.022	0.15524	18.649	0.25506
FII (15°)	18.484	0.16732	34.025	0.15127
FIII (30°)	44.089	0.25627	102.43	0.53327

Figure 2. Stress distributions in cortical and trabecular bone at F_I load.

Figure 3. Stress distributions in cortical and trabecular bone at F_II load.

Figure 4. Stress distributions in cortical and trabecular bone at F_III load.