“…There are the cells of the dental follicle proper (DFP), located nearest to the dental pulp and developing dentin surface, and the cells of the perifollicular mesenchyme (PFM), located more peripherally (Freeman and Ten Cate, 1971;Furseth et al, 1986;Lester, 1969;Owens, 1974;Selvig, 1964;Shibata and Stern, 1967;Ten Cate, 1980a,b). Their specific contributions to the development of the alveolus, PDL connective tissue, and cementum are still somewhat problematical.…”