Biomechanical Performance of Mandibular Molars with Deep Mesio-Occlusal-Distal Cavities Rehabilitated with Horizontal Posts: A 3D Finite Element Analysis

Table 3

Stress and deformation comparison for all models.

Description	Intact model	Cut model	Fiber 1 mm	Fiber 1.5	Fiber 2
Overall deformation	0.046879	0.187353	0.043371	0.042136	0.039817
Overall stress (Mpa)	154.83	376.877	160.221	159.488	147.231
Cortical stress (Mpa)	17.06	21.9927	16.5746	16.5201	16.4139
Cancellous stress (Mpa)	9.66112	11.1289	9.24099	9.16383	9.05681
Dentine stress (Mpa)	80.7399	313.074	77.5838	77.0741	76.4912
Enamel stress (Mpa)	154.83	376.877	160.221	159.488	147.231
Biodentine	–	–	78.713	78.541	78.011
Peristress (Mpa)	10.083	13.6106	9.43361	9.24797	9.02103
Pulp stress (Mpa)	0.000000542	0.00000056	0.000000537	0.000000535	0.000000534
Fiber stress	–	–	107.597	85.5293	78.426
Composite			136.461	88.1937	53.1284