EDITORIAL
Hip fractures and fluoride revisited: A critique
  John R. Lee, MD ... 1-5

RESEARCH REPORTS
Liver morphology and histochemistry in rats resulting from ingestion of sodium selenite and sodium fluoride
  L Kołodziejczyk, A Put, P Grzelab, Szczecin, Poland ... 6-16

Effects of fluoride accumulation on some enzymes of brain and gastrocnemius muscle of mice
  M Lakshmi Vani, K Pratap Reddy, Hyderabad, India ... 17-26

The influence of quercetin on some parameters of lipid metabolism in rats chronically exposed to ammonium fluoride
  B Czerny, A Put, Z Myśliwiec, Z Juzyszyn, Szczecin, Poland ... 27-32

Beneficial effect of tamarind ingestion on fluoride toxicity in dogs
  Arjun L Khandare, P Uday Kumar, Nakka Lakshmaiah, Hyderabad, India ... 33-38

ABSTRACTS .... 39-48

Health/Biological Effects
Fluoride in drinking water and risk of hip fracture in the UK: a case-control study
  Hillier S, Cooper C, Kellingray S, Russell G, Hughes H, Coggon D ... 39

Bone-fracture incidence rate in two Italian regions with different fluoride concentration levels in drinking water
  Fabiani L, Leoni V, Vitali M ... 39-40

Caries prevalence after cessation of water fluoridation in La Salud, Cuba
  Künzel W, Fischer T ... 40-41

The effects of a break in water fluoridation on the development of dental caries and fluorosis
  Burt BA, Keels MA, Heller KE ... 41

The prevalence and severity of enamel fluorosis in North American children
  Rozier RG ... 41-42

Paleopathology of skeletal fluorosis
  Littleton J ... 42-43

Dietary Fluoride
Total fluoride intake and implications for dietary fluoride supplementation
  Levy SM, Guha-Chowdhury N ... 43

Assessing fluoride levels of carbonated soft drinks
  Heilman JR, Kiritsy MC, Levy SM, Wefel JS ... 43-44

The case for reducing the current Council on Dental Therapeutics fluoride supplementation schedule
  Newbrun E ... 44-45

The case for eliminating the use of dietary fluoride supplements for young children
  Burt BA ... 45

Biochemical Effects
Competition between internal AlF(4)(-) and receptor-mediated stimulation of dorsal raphe neuron G-proteins coupled to calcium current inhibition
  Chen Y. Penington NJ ... 46

Environmental Effects
Cancer incidence and cause specific mortality among workers in two Norwegian aluminum reduction plants
  Romundstad P. Haldorsen T. Andersen A ... 46-47

ANNOUNCEMENTS
Third International workshop on fluorosis and defluoridation of water...48

Notice to Authors...48

XXIIIrd ISFR CONFERENCE ABSTRACTS ... S1-S39

Fluoride in the environment and oral health in children
  B Adamowicz-Klepalska, J Krzyżagórska, K Emerich-Poplatek ... S1

Lymphoid depletion of spleen due to experimental fluorosis in rats
  M Bély ... S1-S2

Effects of sodium fluoride on bone mineral mass gain in growing rats
  A Bohatyrewicz, A Gusta, P Ziętek, K Leźnicka ... S2

Hardness of cortical bone in fluoride-treated growing rats
  A Bohatyrewicz, M Wysiecki, D Larysz, A Spoz ... S2-S3

Influence of fluoride on Na⁺-H⁺ exchanger activity in human red blood cells
  J Bober, J Zawierta, K Ciechanowski, K Kędzierska, E Kwiatkowska, E Byra, D Chlubek ... S3

Rearrangement of 5-(trifluorovinyl) uracil-computational simulation of reaction mechanism
  H Koroniak, P Fiedorow ... S4

Fluoride content in dental calculus using EDS X-ray microanalysis
  M Borysewicz-Lewicka, T Pawlaczyk-Kamieńska, Karol Jóźwiak ... S5

Longitudinal studies on the exposure to fluorides based on urine samples from infants living in Poznań
  M Borysewicz-Lewicka, E Kaczmarek, E Gromadzińska-Zapłata, A Rydzewska, S Świdzińska ... S5-S6

Caries in children living in a region with optimal level of fluoride
  J Chłapowska, M Borysewicz-Lewicka, R Śniatała ... S6

Fluoride-induced renal damage and its reversal by some antidotes
  NJ Chinoy, A Sharma, CH Sunita ... S6-S7

Amylase activity in serum and pancreas of rats in acute NaF poisoning
  Birkner, E Grucka-Mamczar, H. Duliban, M Faracik ... S7

Beneficial effects of a protein-supplemented diet on fluoride-induced toxicity in liver of male mice
  NJ Chinoy, M Dipti ... S8-S9

The influence of fluoride and/or aluminium on free radical toxicity in the brain of female mice and beneficial effects of some antidotes
  NJ Chinoy, TN Patel ... S8

An outline of possibilities of using fluoride-containing mine waste water for prophylaxis and therapy
  M Ciosmak ... S8-S9

Effect of fluoride on the ultrastructure of rat liver
  E Dąbrowska, B Szynaka ... S9

Pharmacokinetic parameters in rats with acute renal damage caused by intravenous high dose of fluoride
  T Dote, K Kono, K Usuda, H Nishiura, T Tagawa, M Shimahara, N Hashiguchi, Y Tanaka ... S9-S10

The positron-emitting radioisotope ¹⁸F for quantitative imaging of biochemical pathways of fluorine compounds in vivo
  F Rosch ... S10-S11

Experimental and clinical applications of [¹⁸F]fluoride ion Positron Emission Tomography
  M Piert, HJ Machulla ... S11

Fluoride metabolism in plants
  GW Miller, OT Vedina ... S11-S12

Study of fluoride metabolism by Bio-Rhythm analysis
I. Analysis of urinary fluoride excretion with the Cosiner method
  A Fukutomi, T Horiuchi, M Arisue, M Akashi, K Kono ... S12

Study of fluoride metabolism by bio-rhythm analysis
II. Analysis of urinary fluoride, various other minerals, and creatinine by Cosiner method
  T Horiuchi, M Tsuchida, H Tanaka, K Kono ... S12-S13

Concentration of fluoride ions in blood serum and content of fluorine in bones and teeth of rats chronically exposed to fluorine in drinking water
  E. Grucka-Mamczar, D Chlubek, D Samujło ... S13

Activity of some anti-oxidation enzymes and concentration of malonic dialdehyde in rats with fluoride-induced hyperglycemia
  E Grucka-Mamczar, R Polaniak, E Birkner, W Jacheć, B Stawiarska-Pięta ... S13-14

Hepatocyte and neuron apoptosis induced by chronic fluorosis in rats
  G Li, X Lu, L Jing ... S14-15

Can selenium at trace levels modify the effects of exposure to sodium fluoride?
  M Grzela, A Put, J Królewski ... S15

Measurement of bone calcium, phosphorus and fluoride in rat osteoporosis model by x-ray fluorescence analysis
  N Hashiguchi, K Kono, M Shimahara, J Sennda, Y Tanaka, S Komiyama, T Dote, K Usuda ... S15-16

Fluoride prevention of dental caries – current trends
  Z Janczuk ... S16

The influence of quercetin on the activity of cytochrome p-450 system during chronic exposure to NH₄F
  Z Juzyszyn, B Czerny, Z Myśliwiec, A Machoy-Mokrzyńska, A Put ... S17

Brick tea fluorosis in China
  C Jin ... S17-18

Inter-Institutional error of measurement using fluoride ion-specific electrodes
  K Kasahara, T Horiuchi, A Oguro ... S18

China's battle with crippling waters
  D Kennedy, B Kennedy, G Dai, G Sun, C Qian, H Gao ... S18-S19

The influence of fluoride compounds on the growth rate of children residing near an aluminum plant
  N Kocheva, L Popova, G Nasybullina, E Polzik.... S19-S20

Background versus reality of the crucial publication pertaining to the "success" of fluoridation in the drinking water of Basel, Switzerland
  K Kreuzer ... S20-21

Environmental and occupational exposure to fluoride in the Gdańsk region
  J Krechniak ... S21-S22

The impact of fluoride on bone mineral density in rats
  B Urbańska, W Czarnowski, A Muraszko-Klaudel ... S22

Hair as an index of exposure to fluorine compounds
  K Stolarska, W Czarnowski ... S22-S23

The role of ¹⁸FDG-PET in the management of oral squamous cell carcinoma
  M Kunkel, U Wahlmann, P Benz, GJ Förster, J Spitz, W Wagner ... S23-S24

Fluorine accumulation in some fruit trees during their vegetation period and its influence on chlorophyll content
  Z Kusa, J Sochacka, K Pawłowska-Góral, K Bober ... S24

Fluoride level in enamel and saliva in teenagers representing different caries risk groups
K Lisiecka, Z Janczuk, A Suszczewicz, K Opalko ... S24-S25

The effects of fluoride on collagen in rat bone
  BC Liu, Q Miao, M Xu, XD Wu, BH Yuan, BR You ... S25

In vitro and in vivo studies on the potential toxicity of sodium fluoride to human hematopoiesis
  B Machaliński, V Dziedziejko, M Marchlewicz, W Marlicz,
I Stecewicz, L Wenda-Różewicka, ZT Machoy ... S25-S26

Effects of sodium fluoride ingestion on some serum parameters and bone tissue components in growing rats
  A Machoy-Mokrzyńska, A Bohatyrewicz, P Białecki, M Kędzierski ... S26-S27

Effect of sodium fluoride on bone marrow transplant engraftment - in vivo studies
  B Machaliński,l M Marchlewicz, V Dziedziejko, I Stecewicz, E Dabkowska, W Mikolajek, L Szymaniak, A Jarema, MZ Ratajczak ... S27

Effects of diet and fluoride on the development of dental cells and tissues in rats
  L Maciejewska, B Adamowicz-Klepalska... S27-S28

Fluoride and/or aluminium toxicity in liver and gastrocnemius muscle of male mice and its amelioration by some antidotes
  MR Memon, NJ Chinoy... S28-S29

The influence of Chrysin on some biochemical parameters in serum of rats subchronically exposed to sodium fluoride
  Z Myśliwiec, A Machoy-Mokrzyńska, Z Juzyszyn, B Czerny, A Put, DH Musiał...S29

Effects of continuous intravenous administration of sodium fluoride on rat kidney
  H Nishiura, K Kono, T Dote, K Usuda, CH Mima, M Shimahara, Norihiro Hashiguchi, Yoshihito Tanaka... S29-S30

Oxidation homeostasis in hepatocytes exposed to fluoride ions in the presence of Fe³⁺ ions
  K Pawłowska-Góral, M Wardas, W Wardas, Z Kusa ... S30-S31

Genetic and non-genetic risk factors of occupational fluorosis in workers of aluminium and cryolite plants
  EV Polzik, Myu Yakusheva, VS Kazantsev, VE Singer... S31-S32

Effect of fluoride on superoxide dismutase (SOD) activity and GSH levels in the earthworm Eisenia fetida
  P Lawson, M-H Yu... S32

Fluoride diffusion in alluvial soil: dependence on some crucial factors
  K Rai, M Agarwal, S Dass, R Shrivastav Reader... S33

Influence of fluoride on growth and pigment content of three plant species tested in liquid culture
  K Skupień-Wysocka, A Cholewiński ... S33-S34

Quantity of bone measured with Microfocus X-ray television system in the rat osteoporosis model
  Y Tanaka, M Shimahara, N Hashiguchi, J Senda, K Kono, T Watanabe, H Nishiura, T Mima ... S34

Aging and health of the oral cavity
  M Tyszkiewicz, M Mattioli-Belmonte, F Sampalmieri, R Mongiorgi, K Saloustrou, L De Florio, G Valdrè, G. Biagini, G Dolci... S35

Long-term (1977-1998) changes in fluorine deposition on sylvan and agricultural areas caused by emissions from the "Police" chemical plant
  Z Zabłocki, J Podlasińska ...S35-S36

Study of fluoride motion law with generalized difference methods in three-dimensional numeric model of groundwater flow field in Changchun city and its suburbs
  YQ Zhao ... S36

Influence of environmental conditions on the content of fluoride in hair of two animal species in the Pomerania region
  H Zakrzewska, M Brzezińska, W Orowicz, D Samujło... S36-S37

Fluorine content in dietary intake of small children
  M Jędra, B Urbanek-Karłowska, M Fonberg-Broczek, D Sawilska-Rautenstrauch, P Badowski ... S37-S38

Evaluating the effect of defluoridation measures for endemic fluorosis in China
  CH Liang ... S38

Effect of fluoride solutions on the dentin: a physical, chemical and crystallographical study
  M Valigno, G Biagini, G Dolci, R Mongiorgi, M Mattioli Belmonte, F Sampalmieri, C Prati, G Valdre ... S39