Are epithelial cells in PDL critical in resuming the integral relation between tooth root and supporting bone after trauma -- a transplantation experiment?
Residual PDL is essential to prevent ankylosis after trauma and epithelial cells may facilitate the re-establishment of root-PDL-bone complex by transforming into mesenchymal cells.
Influences in the home partly underlie associations between social background and cognition, but they do little to explain a birth weight/cognition association.