Corrigendum to “The influence of different abutment materials on tissue regeneration after surgical treatment of peri-implantitis – A randomized controlled preclinical study” [J Cranio-Maxillo-Facial Surg 45 (2017) 1190–1196]

The authors regret an incorrect approval number of "54-2532.1-45/12" by the Pest county government Department for Food Safety and Animal Health, Hungary. The correct number is "PEI/001/961-2/2013".

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