Periodontal tissue regeneration using fibroblast growth factor -2:Randomized controlled phase II clinical trial

Competing Interests: SM received research grants from Kaken Pharmaceutical Co., Ltd. MW is an employee and stockholder of Kaken Pharmaceutical Co., Ltd. Funding: This study was supported by Kaken Pharmaceutical Co., Ltd., which proposed study protocol and was responsible for data collection and prespecified statistical analysis. Preparation of the manuscript was consigned to the authors and the views expressed in this article do not necessarily reflect those of Kaken Pharmaceutical Co., Ltd.