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2 edition of Mottled enamel in a segregated population found in the catalog.

Mottled enamel in a segregated population

Grover A. Kempf

Mottled enamel in a segregated population

by Grover A. Kempf

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Published by U.S. Government Printing Office in Washington .
Written in English


Edition Notes

Offprint from the Public Health Reports, vol.45, no.48, November 28, 1930 (pages 2923-2940).

Statementby Grover A. Kempf and Frederick S. McKay.
ContributionsMcKay, Frederick S.
ID Numbers
Open LibraryOL13800937M

The Journal of Dental Research, Volume Twelve, , pages – The cause of mottled enamel. Margaret Cammack Smith, MA, PhD, Edith Lantz, MA, and Howard V. Smith. Mottled enamel in a segregated population. Public Health Rep. 45(48): fluorosis [floo͡″ro´sis] a condition due to ingestion of excessive amounts of fluorine or its compounds; see fluoride poisoning. chronic endemic fluorosis that due to unusually high concentrations of fluoride, usually in the natural drinking water supply, typically causing dental fluorosis characterized by a mottled appearance of the teeth. Combined

Metters 'Early Kooka' gas stove, 'The State' model, in green and cream enamel. It was made by Metters KFB Pty Ltd, Footscray, Victoria. The stove was used by the donor's mother in her North Caulfield house. It was already in the house when her mother bought it in the s. Originally there was a wood fire stove as well as the gas Kooka stove in the :// Fluoridation is a population based method of _____ prevention, designed to prevent caries A. Primary B. Secondary Colorado Brown Stain was mottled enamel that seemed to be confined to specific ethnicities. It was hypothesized and demonstrated that this was directly related to drinking water. Recommendation from book:

indices measuring dental fluorosis 1. INDICES USED FOR DENTAL FLUOROSIS BY NITYA SHARMA 2. INTRODUCTION INDEX: an index has been defined as a numerical value describing the relative status of a population on a graduated scale with definite upper and lower limits which is designed to permit and facilitate comparison with other populations classified by same criteria and methods.(Russel) DENTAL Abstract. Tooth loss among the elderly is an important research and policy issue. The study we report in this chapter analyzed the edentulous and denture wearing status of 15, Chinese elderly (65−+), using data from the CLHLS ://


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Mottled enamel in a segregated population by Grover A. Kempf Download PDF EPUB FB2

This is the report of an investigation carried out upon the population of the town of Bauxite, Arkansas, where mottled enamel abounds. The results obtained provide convincing evidence that this developmental defect depends upon water supply, a view that McKay has previously put forward; though the precise factor in the water that is at fault still remains :// A recent study by Kempf and McKay 5 of the United States Public Health Service on the cause of mottled enamel in the teeth of certain groups of people in a rather circumscribed locality deserves attention because of the unique opportunity for controlled observations and the directness with which the cause was attributed to the water :// Footnotes 2 and 6.

Margaret C. Smith, H.V. Smith, Concentration of Fluorine in Drinking Water in Relation to Occurrence and Severity of Mottled Enamel in Human Teeth J. Res. (June ) G.A. Kempf, F.S. McKay, Mottled Enamel in Segregated Population Pub.

Health Rep. (28 Nov ) :// Abstract. Editors: Aug. JulyJ. White, J. McQuillen, G. ZieglerAug. Dec.J. McQuillen, G. ZieglerJan. MayJ. W A further report on the occurrence of mottled enamel in China. 20 per cent. of the population of a small village in Ho Pei was examined. Mottled enamel was found in all.

Chalky appearance more widespread than discoloration. The water supply comes from shallow, open wells, not artesian wells. The water is being analysed with regard to the fluorine content.-H. :// G.A. Kempf, F.S. McKay, Mottled enamel in segregated population Pub.

Health Rep. (28 Nov ) 4. H.V. Churchill, Occurrence of fluorides in some waters of the United States J. Ind. & Eng. Chem. (Sept ) 5. H.T. Dean, E. Elvove, Studies on the minimal threshold of the dental sign of chronic endemic fluorosis (mottled II.

An investigation of mottled teeth. Dental Cosmos. ; Ainsworth NJ. Mottled Teeth. Br Dent J. ; McKay FS. Mottled teeth: the prevention of its further production through a change in the water supply at Oakley, Idaho.

J Am Dent Assoc. ; Kempf GA, McKay FS. Mottled enamel in a segregated :// From inside the book. What people are saying - Write a review. Mottled Enamel and Fluoride Water. 6 other sections not shown. Other editions - View all. Water Fluoridation, the Search and the Victory Frank James McClure, National Institute of Dental Research (U.S.) Full view - ?id=8CcEAQAAIAAJ.

The role of fluoride in the cause of enamel fluorosis and the prevention of dental caries led to the second period, known as the epidemiologic phase, which lasted from to Appointment of Dr. Trendley Dean, a commissioned officer in the U.S.

Public Health Service Dean’s job was to map out the prevalence of mottled enamel across the   of AI in the population varies between and (Neville et al., ). In hypoplastic AI there is inadequate deposition of enamel, pinpoint to pinhead sized pits are scattered across the surface of the teeth, and the buccal surfaces are more severely affected.

The enamel between the pits is of normal thickness, hardness, and :// and Dias pdf. A paper published in by Trendley Dean and Frederick McKay gives the following details about how officials became aware of the situation: "Apparently the first to report endemic mottled enamel at Bauxite was Dr.

Robertson, a practicing dentist of Benton, a city about 5 miles from Bauxite. His report was made to the Arkansas State • Mild dental fluorosis is usually typified by the appearance of small white areas in the enamel; individuals with severe dental fluorosis have teeth that are stained and pitted (“mottled”) in appearance.

• In human fluorotic teeth, the most prominent feature is a hypomineralization of the :// known as mottled enamel which affects the teeth of every person who drinks water containing as little as 1 ppm. of fluorine during the years of tooth formation, this recommendation [water fluoridation] seems, to put it mildly unsafe.

There is ample evidence that mottled teeth, though they   The condition was known as mottled enamel. In Colorado it was known as Colorado stain and in Naples, Italy it was known as Denti Di Chiale. Epidemiological studies linked the condition to the local water supplies where it was determined that the water had naturally occuring high levels of :// This paper reviews the influence of the geochemical environment on the epidemiology of human dental caries.

The best documented association is that between water borne fluoride and reduced caries prevalence. The influence of fluoride was first reported during the early decades of this century in Colorado, USA, and led to the fluoridation of some public water supplies in several :// ().

Mottled enamel in a segregated population. Public Health Rep. Mottled enamel: a fundamental problem in dentistry. Mottled permanent incisors in 1S-year-old Lagos children. Community Dent. () Two related factors are probably the cause of this somewhat lower incidence in a survey limited to the 9 year old group.

First, in endemic areas of relatively low fluoride concentration (less than 2 parts per million) there is, in a fair proportion of the children of comparable and constant residence and water history, a tendency to show the milder forms of mottled enamel only on the bicuspids   Mottled mo has been sequenced on EDNRB2 locus, plus a new mutation discovered mo^w (found in White Minohiki long-tail fowl).

Kinoshita K, Akiyama T, Mizutani M, Shinomiya A, Ishikawa A, et al. () Endothelin Receptor B2 (EDNRB2) Is Responsible for the Tyrosinase-Independent Recessive White (mow) and Mottled (mo) Plumage Phenotypes in the ?ubb=showflat&Number= District Census Book: Chitradurga, Study population included students of government run schools in age group years.

Teeth affected with mottled enamel, on the contrary, erupt   In the US Center for Disease Control (CDC) released a glowing report on the fluoridation of public water supplies, citing the procedure as one of the century’s great public health successes.

1 Ironically, the same report hints that the alleged benefit from fluorides may not be due to ingestion: “Fluoride’s caries-preventive properties initially were attributed to changes in enamel. McKay, F.S. (): Mottled Enamel: the Prevention of Its Further Production Through a Change of the Water Supply at Oakley, Idaho, J Am Dent Assoc Google Scholar Moller, I.J.

(): Fluorides and Dental Fluorosis, Int Dent J - VOL. 74, No. THE CAUSE OF MOTTLED ENAMEL MOTTLED enamel, a tooth defect first reported in the United States by Messrs.

G. V. Black and F. S. McKayl inis wide-spread. A recent Public Health Report2 byKempfand McKayshows mottled enamel to exist in districts in Colorado, Texas, Vir- ginia, Arizona, Italy, Holland, China, Mexico, Spain,Nieuwland, Lyaruu DM: Use of fluoride by young children and prevalence of mottled enamel.

Adv Dent Res| Ellwood RP, O'Mullane DM: Enamel opacities and brushing frequency in non