EDITORIAL
Fluoride and Osteoporosis
  John R Lee; Sabastopol, CA, USA ... 51-54

ORIGINAL ARTICLES
Water Fluoridation and Tooth Decay: Results from the 1986-1987 National Survey of U.S. Schoolchildren
  John Yiamouyiannis;
  Delaware, Ohio, USA ... 55-67

Boron as an Antidote to Fluorosis? II. Studies on Various Organs of Pigs
  W Seffner, W Teubener, H Runde,
  H Wiedner, J Vogt, G Otto,
  E Zschau, D Geinitz, J Franke;
  Leipzig, Kothen and Bittenfeld, GDR ... 68-79

Fluoride Content in Finger Nails of Individuals with and without Chronic Fluoride Exposure
  CW Schmidt, W Leuschke;
  Heidenau, GDR ... 79-82

Effects of Fluoride on Drosophila melanogaster in Relation to Survival and Mutagenicity
  B Dominok, GW Miller;
  Logan, Utah, USA ... 83-91

Fluoride Induced Changes in Certain Metabolites During Tail Regeneration in the Gekkonid Lizard, Hemidactylus flaviviridis
  B Suresh, Pankaj K Hiradar;
  Surat, India ... 92-97

ABSTRACTS
Mg²⁺-F-Interaction during Hydroxyapatite Formation
  M Okazaki; Osaka, Japan ... 98

Fluoride and Bovine Bone Extract Influence Cell Proliferation and Phosphatase Activities in Human Bone Cell Culture
  JE Wergedal, KH Lau, DJ Baylink;
  Loma Linda, California, USA ... 98-99

Errors in Bone Fluoride Analysis Caused by Large Sample Weights
  KC Walton; Bangor, Gwynedd, U.K ... 99

Can Water Fluoridation Increase Orthodontic Problems?
  Philip RN Sutton;
  Melbourne, Victoria, Australia ... 100

Absence of in vitro Fluoride-Binding by the Organic Matrix of Developing Bovine Enamel
  A Lussi, RA Fridell,
  MA Crenshaw, JW Bawden;
  Bern, Switzerland ... 100