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Article
Naturally fluoride contained of drinking water and the prevalence of dental fluorosis in Ninevah Governorate, Iraq

Authors: Tarik Y KHAMRCO --- May GH AL-AJRAB
Journal: Al-Rafidain Dental Journal مجلة الرافدين لطب الأسنان ISSN: 18121217 Year: 2002 Volume: 2 Issue: 1 Pages: 7-19
Publisher: Mosul University جامعة الموصل

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Abstract

The purpose of the study was to determine the prevalence of dental fluorosis in a group of school students lived in area with high and low natural fluoride contained drinking water in Ninevah Governorate.The study was conducted among (1724) school's students aged (11-16) years from randomly selected schools (primary and intermediate) in two provinces in Ninevah Governorate. Eight hundred and thirteen students who had lived since birth in high natural fluoride level area (Sinjar province) (2.05-2.22 ppm) and (911) students lived continuously from birth in low natural fluoride level area in their drinking water (Talkaif province) (0.11-0.19 ppm).Dean index has been used to assess the dental fluorosis. The results show that the prevalence of dental fluorosis in Sinjar province is (97.3%) within individual and (62.9%) within teeth, ranging from very mild to mild form of dental fluorosis, with no significant sex difference, but the percentage of severity has been found to be increasing with age, while the prevalence of dental fluorosis in Talkaif province was (5.5%) within individual and (1.2%) within teeth, with no significant sex difference.The community fluorosis indices for Sinjar and Talkaif provinces are (1.7 and 0.1) respectively. This difference is due to the difference in level of natural fluoride in both provinces drinking water supplies.


Article
Enamel mottling in a group of Iraqi students in a high and low fluoride community

Authors: Tarik Y KHAMRCO --- May Gh AL-AJRAB --- Layla A MAKANI
Journal: Al-Rafidain Dental Journal مجلة الرافدين لطب الأسنان ISSN: 18121217 Year: 2002 Volume: 2 Issue: 2 Pages: 150-157
Publisher: Mosul University جامعة الموصل

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Abstract

The purpose of the study was to determine the prevalence of mottled enamel in a group of school students lived in area with high and low natural fluoride contained drinking water in Iraq.The study was conducted among (874) school's students aged (13-16) years from randomly selected intermediate schools in two provinces in Ninevah Governorate, Tour hundred and eight students who had lived since birth in high natural fluoride level area (Sinjar province) (2.05-2.22 ppm fluoride) and (466) students lived continuously from birth in low natural fluoride level area in their drinking water (Talkaif province) (0.11-0.19 ppm fluoride). Al-Alousi index has been used to assess mottled enamel. The results show that the prevalence of mottledenamel in Sinjar province is (95.8%) within individuals and (65.3%) within teeth, with significant difference between the sex; while the prevalence of mottled enamel in Talkaif province was (18.1%) within individuals and (3.6%) within teeth, with no significant sex difference.The high percentage of mottled channel was of type "A", followed by types "B" and "E" in high fluoride area, while in low fluoride area also type "A" reported thehigh prevalence, followed by types "B" and "C".

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