Fluoride and Oral Health - Jordan University of Science ... · Fluoride and Oral Health •It is...
Transcript of Fluoride and Oral Health - Jordan University of Science ... · Fluoride and Oral Health •It is...
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Fluoride and Oral Health
By
Ms. Zain Malkawi, MSDH
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Fluoride and Oral Health
• It is the most effective method in dental caries prevention and control
• At all ages, fluoride is so important to achieve an optimum oral health
• Can be made available on tooth surface by two means:
Systemically
Topically
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As a systemic nutrient:
* Community drinking water (fluoridation or
naturally)
From prescribed dietary supplements or in
small amounts from certain food
Introduction
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Topically:
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How Does Fluoride Work..!!
Systemic Effect:
“F” is ingested into small amount during teeth
formation and gets built into enamel
structure.
Topical Effect:
“F” is concentrated in saliva that bathes teeth
Reminerlizes teeth enamel and decreases
bacterial activity in oral cavity.
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Fluoride and Tooth Development
• An essential nutrient to the formation of sound
teeth and bones as calcium.
• Teeth can be acquire fluoride during three
periods:
• Mineralization stage
• After mineralization and before eruption
• After eruption
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Fluoride Metabolism
• Fluoride intake: fluoridated water,
supplemental tablets, and in a small
amount of food
• Absorption: gastrointestinal tract and blood
stream
• Distribution and retention: distributed by
plasma: the teeth store small amounts with
highest level on the tooth surface
• Excretion: through the kidneys and with a
small amount excreted by the sweat glands
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Fluoride Action
• Other fluoride preparation: professionally
administered and /or self – applied,
effective on both enamel and the root
surface of the erupted tooth
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Effects of Fluoride
• Prevent demineralization: when preparations with a high content of fluoride are applied to teeth, calcium fluoride (CaF2) precipitates out to provide free fluoride ions that act as a reservoir of fluoride during demineralization and remineralization
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• Enhance remineralization of incipient dental lesion
• Aid posteruptive maturation of the enamel surface
• Reduce enamel solubility and increase enamel resistance
Effects of Fluoride
Enhance remineralization of incipient dental lesion
Aid posteruptive maturation of the enamel surface
Reduce enamel solubility and increase enamel resistance
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Fluoride in Food
• Food: certain foods contain fluoride but not enough
Meat
Eggs
Vegetables
Cereals
Fruits
Tea and fish (have larger amounts)
• Salt: fluoridated salt has been used
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Available Forms of Fluoride
Supplements
Tablets : may be chewed, rinsed and swallowed
or dissolved slowly in the mouth.
Mouth rinse
Drops
Fluoride dentifrices: dental caries prevention,
caries – risk patient and desensitization
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Fluorosis..!!
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Acute Toxicity
• Rapid intake of an excess dose over a
short time
• An accidental ingestion of a concentrated
fluoride preparation: leads to a toxic
reaction
• Acute fluoride poisoning is rare
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Signs and Symptoms of Acute Toxic
Dose
• Gastrointestinal tract: nausea, vomiting,
diarrhea, abdominal pain, increased
salivation and thirst
• Systemic involvement: if not treated may
lead to death in few hours if patient has
cardiovascular and respiratory depression
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Emergency Treatment• Induce vomiting: mechanical, digital stimulation
at back of tongue or in throat, or by drug: Ipecac syrup
• Call emergency services, transport to hospital
• Administer fluoride – binding liquid when patient is not vomiting: milk or lime water: (CaOH2
solution 0.15%)
• Support respiration and circulation
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