3 Implants – Two Failed, Synthetic Graft Sinus Repair for $12,000Dental Implant Cost Guide › Dental Implant Forum – Ask an Expert › Experiences, Prices Paid & Reviews › 3 Implants – Two Failed, Synthetic Graft Sinus Repair for $12,000This topic has 5 replies, 5 voices, and was last updated 9 years, 10 months ago by roque22.You must be logged in to reply to this topic.Log In Username: Password: Keep me signed in Log In