1. There is a comprehensive account of this subject in an investigation published 1927 in Svensk Tandlakäretidskrift (The Swedish Dental Journal) entitled “Experimental and Histologic Investigations Concerning the Effects of Procain-Epinephrin Solution on the Living Tissues of the Human Pulp During Anesthesia After Injection, More Especially with Regard to Its Influence on the Vascular System of the Pulp.”
2. Blastema: a continuous differentiated layer of cells partaking in the formation of hard tissue; odontoblastema: the layer of odontoblasts.