Prognosis of primary and secondary insertions of orthodontic miniscrews: What we have learned from 500 implants

Although the success of using orthodontic miniscrews for primary insertion has been reported in the literature, few studies have followed up on secondary insertions after failure of the first insertion. In this study, we investigated not only the primary but also secondary success rates of miniscrews and considered the risk factors influencing their stability.

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