A 43-year-old man has 6 of 1-piece implants in the maxilla (#8-13). His daughter's head hit his upper anterior teeth 7 months post cementation. Exam shows that the tooth #7 has mild percussion. Nine months later the implant crown at #8 becomes displaced and loose when he bites apple (Fig.1 arrow).
Xin Wei, DDS, PhD, MS 1st edition 10/01/2019, last revision 01/25/2020