Biological and technical complications of tilted implants in comparison with straight implants supporting fixed dental prostheses. A systematic review and meta-analysis

Apaza Alccayhuaman, Karol Alí; Soto-Peñaloza, David; Nakajima, Yasushi; Papageorgiou, Spyridon N; Botticelli, Daniele; Lang, Niklaus P

doi:10.1111/clr.13279

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Apaza Alccayhuaman, K. A., Soto-Peñaloza, D., Nakajima, Y., Papageorgiou, S. N., Botticelli, D., & Lang, N. P. (2018). Biological and technical complications of tilted implants in comparison with straight implants supporting fixed dental prostheses. A systematic review and meta-analysis. Clinical Oral Implants Research, 29 Suppl, 295–308. https://doi.org/10.1111/clr.13279

Abstract

OBJECTIVES To evaluate the implant failure, marginal bone loss (MBL), and other biological or technical complications of restorations supported by tilted and straight implants after at least 3 years in function. METHODS Electronic and manual searches were performed in MEDLINE, Embase, Web of Science, and OpenGrey to identify clinical studies published up to December 2017. After duplicate study selection and data extraction, the risk of bias was assessed with the ROBINS-I tool. Random-effects meta-analyses of relative risks (RRs) or me