How safe is crown lenghthening?Dental Implant Cost Guide › Dental Implant Forum – Ask an Expert › General Dentistry › How safe is crown lenghthening?This topic has 1 reply, 2 voices, and was last updated 7 years, 9 months ago by Safarian Dental Implants.You must be logged in to reply to this topic.Log In Username: Password: Keep me signed in Log In