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Article History

Received: 7 August 2017

Accepted: 24 June 2018

First Online: 5 July 2018

Compliance with ethical standards

:

: According to Italian law, the ethical approval for this study was not required because it involved only a clinical routine follow-up and a radiographic examination.

: We obtained a written informed consent directly from the patient. With this approval, the patient authorizes the surgical treatment and also the collection and publication of clinical data about his case for scientific and educational purposes even outside the institution.

: All authors declare that they have no conflict of interest.