Abstract
Abutment screw fracture, although uncommon, occurs in clinical practice (Fig. 1,A). In most circumstances, the fractured end can be retrieved and replaced by a new abutment screw. However, sometimes the screw cannot be removed conservatively. By using rotary instruments, internal threads of the screw hole may be damaged and the implant rendered useless. To overcome these problems, this article presents a technique to safely remove the fractured screw and restore the tooth without
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