Retraction.

Calvo-Guirado JL, Maté-Sánchez JE, Delgado-Ruiz RA, Romanos GE, De Aza-Moya P, Velázquez P. Bone neo-formation and mineral degradation of 4Bone.® Part II: histological and histomorphometric analysis in critical size defects in rabbits. Clin Oral Impl Res. 2015;26: 1402-1406. The above article, published online on 28 August 2014 in Wiley Online Library (wileyonlinelibrary.com), and in Volume 26, pp. 1402-1406, has been retracted by agreement between the journal Editor in Chief, L Heitz-Mayfield, and John Wiley & Sons Ltd. The retraction has been agreed due to image discrepancies, resulting in unreliable data. Images in Figure 2c have been used in another publication representing different time points and materials. Reference Calvo-Guirado JL, Maté-Sánchez JE, Delgado-Ruiz RA, Romanos GE, De Aza-Moya P, Velázquez P. Bone neo-formation and mineral degradation of 4Bone.® Part II: histological and histomorphometric analysis in critical size defects in rabbits. Clin Oral Impl Res. 2015;26: 1402-1406. https://doi.org/10.1111/clr.12465.