This long-term case study demonstrates the restoration of a failed endodontically-treated canine with a single Bicon implant with eight-year, fourteen-year, and twenty-five-year post insertion follow-up evaluations. Although we have added new restorative options over the years and our implants have become much shorter, these techniques are still used today and showcase the simplicity of restoring a Bicon implant, as if it were a natural tooth. This case also exemplifies the long-term performance and excellent bone maintenance of Bicon over a twenty-five-year period.
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Pre-operative radiograph of a failed endodontically-treated canine.
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Probing the socket depth of the extracted canine.
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Bone graft placed over the implant prior to membrane placement.
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Edentulous ridge prior to second stage implant uncovering and abutment placement.
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Non-Shouldered abutment tapped into the well of the implant. The Bicon abutment is treated with conventional prosthetic techniques as though it were a post and core restoration.
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Buccal shoulder prepared intra-orally with a #1557 Great White carbide bur. Sharp carbides cut titanium effectively.
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Buccal shoulder prepared for porcelain margin. The remaining margins are knife or feather-edged. Healthy soft tissue usually negates the need for gingival retraction of margins.
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A conventional hydrocolloid impression for a stone die model. The same technique is used as if it were for a crown on a post and core restoration for a natural tooth.
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Stone die model for the fabrication of a porcelain-fused-to-metal (PFM) crown using conventional intra-oral and laboratory techniques as if it were for a crown on a post and core restoration for a natural tooth.
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The metal casting is checked for accuracy and occlusal registration prior to its being withdrawn in an impression for the fabrication of a soft tissue model as if it were for a crown on a post and core restoration for a natural tooth.
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Casting on a soft tissue model prior to the application of porcelain.
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The crown was cemented with a minimal amount of permanent cement placed only on the cervical margin as if it were for a crown on a post and core restoration for a natural tooth.
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Post-insertion radiograph of the 4.0 x 14mm Bicon Implant.
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8-year post-insertion clinical image.
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8-year post-insertion radiograph.
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14-year post-crown-insertion radiograph.
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25-year post-insertion clinical image of a PFM crown for a canine implant.
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25-year post-insertion radiograph of a PFM crown with its 4.0 x 14mm Bicon Implant.
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