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Articles; Medical Biotechnology

Examination of stress distribution and fracture resistance in five-unit tooth- and implant-supported partial fixed zirconia prosthesis

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Pages 1176-1183 | Received 12 Feb 2015, Accepted 13 Jul 2015, Published online: 17 Aug 2015

Figures & data

Figure 1. Experimental design: five-unit tooth-supported model (a); five-unit implant-supported model (b); computer modelling of teeth (c).

Figure 1. Experimental design: five-unit tooth-supported model (a); five-unit implant-supported model (b); computer modelling of teeth (c).

Figure 2. Computer-aided models. (a) Implant slots opened on computer-aided designed bone models; (b) tooth slots opened on computer-aided designed bone models; (c) computer modelling of restorations; (d) computer modelling of zirconia frameworks and veneer sheets.

Figure 2. Computer-aided models. (a) Implant slots opened on computer-aided designed bone models; (b) tooth slots opened on computer-aided designed bone models; (c) computer modelling of restorations; (d) computer modelling of zirconia frameworks and veneer sheets.

Table 1. Poisson ratio and elasticity modulus values of materials used in the study.

Figure 3. von Mises stress values in Model 1 when the force is applied through restoration number 43 (a), number 45 (b), number 47 (c) and through all the restorations (d).

Figure 3. von Mises stress values in Model 1 when the force is applied through restoration number 43 (a), number 45 (b), number 47 (c) and through all the restorations (d).

Table 2. Highest stress values and areas of stress concentration in zirconia framework in Model 1.

Table 3. Connector regions' von Mises stress values in Model 1.

Figure 4. von Mises stress values in Model 2 when the force is applied through restoration number 43 (a), number 45 (b), number 47 (c) and through all the restorations (d).

Figure 4. von Mises stress values in Model 2 when the force is applied through restoration number 43 (a), number 45 (b), number 47 (c) and through all the restorations (d).

Table 4. Highest stress values and areas of stress concentration in zirconia framework in Model 2.

Table 5. Connector regions' von Mises stress values in Model 2.