Synthesis of learning frameworks Source: Reprinted with permission from Kereluik K, Mishra P, Fahnoe C, Terry L. What knowledge is of most worth: teacher knowledge for 21st century learning. Synthesis of learning frameworks Source: Reprinted with permission from Kereluik K, Mishra P, Fahnoe C, Terry L. What knowledge is of most worth: teacher knowledge for 21st century learning. J Digital Learn Teach Educ 2013;29(4):130. Lucinda Lyon et al. J Dent Educ 2017;81:929-936 Journal of Dental Education