Being able to access the head of the screw in a dental implant is critical to it being retrievable. For years I protected the screw head with cotton, and dealt with the challenge of pulling it back out when the time came. Then years ago I started to use teflon tape to do this job and it was an incredible improvement. Many people know this trick, but recently I improved upon it even more and started to use a special teflon tape you may not know about.