EDITORIAL
Dental caries: a disorder of high fluoride and low dietary calcium interactions (30 years of personal research)
  SPS Teotia, M Teotia, India ... 59-66

Beneficial effects of ascorbic·acid·and·calcium on reproductive functions of sodium fluoride-treated prepubertal male rats
  NJ Chinoy, VVPC Reddy, M MichaeL,
  India ... 67-75

Preliminary observations on alterations in·rabbit ovary dna and rna content in experimental fluorosis
  A Shashi, India ... 76-80

Defluoridation by zeolites and apophyllite
  M Maruthamuthu, A Zivasami,
  India ... 81-88

Ground water quality of block bichpurl, district agra ...·89-92
  MK Gupta, V Singh, S Dass,
  India ... 89-92

Fluoride in borehole water in selected villages of Medak District
  R Srikanth, A Khanam,
  A Madhu·Mohan Rao, India ... 93-96

RESEARCH REVIEW
Developments in the analysis of fluoride 1991-1993
  CY Wang, China ... 97-107

ABSTRACTS
Root caries: some clinical aspects
  AJ Cautley, New Zealand ... 108

Defluoridation of water at high pH with use of brushite calcium hydroxide, and bone char
  MJ Larsen, EIF Pearce, J Jensen,
  Denmark/New Zealand ... 108-109

Defluoridation of drinklng water by co-precipitation with apatite
  EIF Pearce, MJ Larsen,
  New Zealand/Denmark ... 109

Partial defluoridation of drinking water using fluorapatite·precipitation
  MJ Larsen, EIF Peirce,
  Denmark/New Zealand ... 110

The genotoxic and cytotoxic activities of inorganic fluoride in cultured rat bone marrow cells
  AM Khalil, AA Dadara,
  Jordan ... 110-111

Treatment of symptomatfc osteoporosis with fluoride
  JA Kanis, England ... 111

Formation-stimulating regimens other than sodium fluoride
  BL Riggs, USA ... 111

Effects of low fluoride concentrations on formation of caries-like lesions in human enamel in a sequential-transfer bacterial system
  FK Wahab, RP Shellis,
  RJ Elderton, Jordan ... 112

In situ remineralization of enamel lesions using continuous versus intermittent fluorlde application
  CW Wang, RE Corpron, WJ Lamb,
  DS Strachan, CJ Kowalskl,
  USA ... 112-113

Factors related to fluoride retentlon after toothbrushing and possible connection to caries activity
  KS Jogren, D Birkhed, Sweden ... 113

Carles-preventive effect of two different topical fluoride concentrations with two different frequencies of application in preschool children
  I Lincir, Croatia ... 113

Effect of fluoride incorporation into human dental enamel on its demineralizatlon in vitro
  M Tanaka, EC Moreno, HC Margolis,
  USA ... 114

Salivary fluoride clearance after a single intake of fluoride tablets and chewing gums in children, adults, and dry mouth patients
  KS Jogren, D Birkhed, LG Persson,
  JG Noren, Sweden ... 114-115

Urinary fluoride excretion in 4-year-old children in Sri Lanka and England
  AJ Rugg Gunn, JH Nunn,
  L Ekanayake et al,
  England/Sri Lanka ... 115

Cell cycle dependence of cytotoxicity and clasto-genicity induced by treatment of synchronized human diploid fibroblasts with sodium fluoride
  N Hayashi, T Tsutsui, Japan ... 116

1,25-Dihydroxyvitamin-D-3 potentiates fluoride-stimulated collagen TYPE-I production in cultures of human bone marrow stromal osteoblast-like cells
  M Kassem, L Mosekilde, EF Eriksen,
  Denmark ... 116-117

Formation of a stable inactive complex of the sarcoplasmic reticulum calcium ATPASE with magnesium, beryllium, and fluoride
  AJ Murphy, RJ Coll, USA ... 117

Serum inorganic fluoride levels in mildly obese patients during and after sevoflurane anesthesia
  H Higuchi, T Satoh,
  S Arimura et al, Japan ... 117-118

Expression of bone protein messenger rna at physiological fluoride concentrations in rat osteoblast culture
  RS Li, PK Denbesten, USA .... 118

Dlfferential effects of fluoride during initiation and progression of mineralization of osteoid nodules formed in vitro
  CG Bellows, JF Aubin, JNM Heersche,
  Canada ... 118-119

Fluoride toxicity - a biochemical and scanning electron microscopic study of enamel surface of rabbit teeth
  AK Susheela, M Bhatnagar,
  India ... 119

Effects of chronic fluoride exposure on morphometrlc parameters defining the stages of amelogenesis and ameloblast modulation in rat incisors
  CE Smith, A Nanci, PK Denbesten,
  Canada/USA ... 120

Fluoride increases rat osteoblast function and population after in vivo administration but not after in vitro exposure
  P Chavassieux, G Boivin, CM Serre,
  PJ Meunier, France ... 120-121

The case for eliminating the use of dietary fluoride supplements among young children
  Brian A Burt, USA ... 121

BOOK REVIEW:
Fluoride: The Aging Factor (3rd edition)
  J Yiamouyiannis. Reviewed by
  Dr Hans Moolenburg,
  Netherlands ... 122

Letter To Editor:
Tiel and Culemborg
  Hans Moolenburg ... 123

ANNOUNCEMENTS:
20th ISFR Conference, Beijing, China,
  September 5-9,1994 ... 124