Results 191 to 195 of about 157,023 (195)

Calculus-like deposit on the apical external root surface of teeth with post-treatment apical periodontitis: report of two cases

International Endodontic Journal, 2005
exaly  

Postulational Bases for the Umbral Calculus

American Journal of Mathematics, 1940
openaire   +2 more sources

Fluorescence spectroscopy of dental calculus

Journal of Periodontal Research, 2004
exaly  

A RENAISSANCE FOR A Q-UMBRAL CALCULUS

Difference Equations, Special Functions and Orthogonal Polynomials, 2007
openaire   +2 more sources

Umbral calculus and Hopf algebras

1982
openaire   +2 more sources