Abutment & Crown Fell Out – Risk of Leaving a Hole?Dental Implant Cost Guide › Dental Implant Forum – Ask an Expert › Questions About Implants › Abutment & Crown Fell Out – Risk of Leaving a Hole?This topic has 4 replies, 1 voice, and was last updated 9 years, 11 months ago by Admin.You must be logged in to reply to this topic.Log In Username: Password: Keep me signed in Log In