128 Chapter 8 Sufficient bone volume for the placement of four implants in the anterior region? yes yes yes Sufficient bone volume for the placement of two implants in the anterior region? Treatment option #3 2-implant overdenture with solitary attachment Caution: higher risk of complications Treatment option #2 4-implant overdenture with solitary attachment Caution: higher risk of complications Treatment option #4 No surgical treatment advised Treatment option #1 Gold standard of treatment 4-implant overdenture with bar-clip attachment Sufficient bone height for the placement of four implants in the anterior region, combined with horizontal bone augmentation? Sufficient bone volume for the placement of four implants in the posterior region? Maxillary implant overdenture therapy in patients suffering from retention and stability problems of their maxillary conventional denture Patient eligble for bar-clip attachment? Patient eligible for maxillary reconstructive surgery prior to the placement of four implants in the posterior region? no no no no no yes yes no yes Figure 8.1 | A guideline to approach implant overdenture therapy for edentulous patients experiencing problems with their maxillary conventional denture.
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