Abstract
Introduction: Tooth restoration and implant-supported was one of the methods to overcome the free end cases. Abutment and implant are two components that are fused together by a screw. Therefore, the main problem to solve are loosened screw and implant or abutment fracture because of increasing unpredictable potential force on the implant, abutment, and screw. The purpose of this research was to describe the distribution stress between the connection of the body of implant and abutment on the submerged and non-submerged design of the implant supported bridge. Method: The submerged and non-submerged design implant have been analyzed using the Finite Element Method under lateral and vertical static load for 180 N. The numeric model for lower jaw posterior segmented bone was determined by computed tomography, and the load measurement was performed to observe the distribution at the connection between the body of implant and the abutment of the implant supported bridge submerge and non-submerged design. Results: At the lateral load, the distribution strength value was 1.562x107 Pa, whilst for the non-submerged was 9.63x107Pa. At the vertical load, the distribution strength value was 1.038x107 Pa, whilst for the non-submerged was 3.342x107Pa. At the load of 180 N towards the vertical and lateral on the supported implant bridge, the distribution strength value had a smaller scale compared to the ultimate tensile strength (UTS), which was 1040 MPa (1.04 x 109 Pa). Conclusion: Both of the design including the secondary component (abutment) was safe to used as the supporting implant bridge.
Highlights
Tooth restoration and implant-supported was one of the methods to overcome the free end cases
Implant failure usually occurs in the area between crown and abutment or between abutments and implants due to fracture or looseness of screw and implant or abutment fracture due to increased potential style on the implant, abutment, and screw that can not be Corresponding author: Joko Prihatono, Prosthodontics Clinic of Pertamina Jaya Hospital, Indonesia Jl
The technique of mounting dental implants in the posterior region, a non-submerged one stage surgical procedure positioned the transition between the shoulder of the implant and the secondary component at the mucosal level indicates a biomechanical advantage, which reduces the leverage effect and produces a bending moment working at the confluence of the implant and the superstructure.[4,5]
Summary
Tooth restoration and implant-supported was one of the methods to overcome the free end cases. The purpose of this research was to describe the distribution stress between the connection of the body of implant and abutment on the submerged and non-submerged design of the implant supported bridge. The numeric model for lower jaw posterior segmented bone was determined by computed tomography, and the load measurement was performed to observe the distribution at the connection between the body of implant and the abutment of the implant supported bridge submerge and non-submerged design. Predicted.[2,3] The technique of mounting dental implants in the posterior region, a non-submerged one stage surgical procedure positioned the transition between the shoulder of the implant and the secondary component at the mucosal level indicates a biomechanical advantage, which reduces the leverage effect and produces a bending moment working at the confluence of the implant and the superstructure.[4,5]. In a two-stage submerged implant placement technique, the entire length of the implant from apical to shoulder is inserted as deep as the top of the bone, and the inclusion of the secondary component is performed by opening the mucosal tissue or the second-stage operation.[6,7] Given that the implants and abutments are essentially two components together by screw this interface has gap approximately 10 micron.[6,8]
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