Nutrition for Oral and Dental Health PSKG
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Transcript of Nutrition for Oral and Dental Health PSKG
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NUTRITION FOR ORAL AND DENTAL HEALTH
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ORAL HEALTH
Diet and nutrition play a key role in—Tooth development—Gingival and oral tissue
integrity—Bone strength—Prevention and management
of diseases of the oral cavity
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EFFECTS OF NUTRIENT DEFICIENCIES ON TOOTH DEVELOPMENT
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DENTAL AND ORAL HEALTH
Teeth are made from protein matrix that is mineralized with collagen (requiring vitamin C), calcium, and phosphorus (requiring vitamins D and A)
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ANATOMY OF A TOOTHANATOMY OF A TOOTH
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DENTAL CARIES
Infectious disease of teeth in which organic acid metabolites lead to gradual demineralization of enamel; proteolytic destruction of tooth structure
Any tooth surface can be affected.
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THE DECAY PROCESS
Plaque formation: sticky mix of microorganisms, protein, polysaccharides
Bacteria metabolizing fermentable carbohydrate produce acid
Acid production: oral pH<5.5 allows tooth demineralization
Saliva function: rinses away food; neutralizes acid; promotes remineralization
Caries patterns:pattern depends on cause
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EARLY CHILDHOOD CARIES
Also called “baby bottle tooth decay”Nursing bottle caries—putting baby
to bed with a bottle of sweetened liquid (juice, Kool-Aid, etc.)
Front teeth rapidly develop cariesCommon among Native AmericansWean children before age 2 from
bottle
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EARLY CHILDHOOD CARIESEARLY CHILDHOOD CARIES
(From Swartz MH. Textbook of Physical Diagnosis, History, and Examination, 3rd ed. Philadelphia: W.B. Saunders, 1998.)
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DENTAL CARIES—CONT’D
Streptococcus mutans—most common bacteria involved
Fermentable Carbohydrate Time Drop in salivary pH to below 5.5
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DENTAL CARIES—CONT’D
Cariogenicity of foods Frequency of consumption of
fermentable CarbohydrateFood form—slowly dissolvingFood combinations Nutrient composition of
food/beveragesTiming (end of meal)
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MEDICAL SEQUELAE OF DENTAL CARIES Bacteria from tooth decay can enter
bloodstream and inoculate heart valves, cause bacterial endocarditis
Oral-pharyngeal secretions inoculated with bacteria can cause aspiration pneumonia
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FLUORIDE
Primary anticaries agent Water fluoridation Fluoridated toothpastes Oral rinses Dentrifices Beverages made with fluoridated water
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RECOMMENDATIONS FOR FLUORIDE SUPPLEMENTATIONRECOMMENDATIONS FOR FLUORIDE SUPPLEMENTATION
(Data from American Dietetic Association: Position of ADA: The impact of fluoride on dental health. J. Am Diet Assoc. 94:1428, 1994.) * Milligrams of supplemental fluoride recommended according to fluoride concentration in drinking water.
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CARIOGENIC VS. CARIOSTATIC
Cariogenic: containing fermentable carbohydrates that can cause a decrease in salivary pH to <5.5 and demineralization when in contact with microorganisms in the mouth; promoting caries development
Cariostatic: not metabolized by microorganisms in plaque to cause a drop in salivary pH to <5.5
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CARIOGENIC FOODS Promote formation of caries Fermentable carbohydrates, those that can
be broken down by salivary amylase Result in lower mouth pH Include crackers, chips, pretzels, cereals,
breads, fruits, sugars, sweets, desserts
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CARIOSTATIC FOODS
Foods that do not contribute to decay Do not cause a drop in salivary pH Includes protein foods, eggs, fish, meat and
poultry; most vegetables, fats, sugarless gums
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ANTICARIOGENIC FOODS Prevent plaque from recognizing an acidogenic
food when it is eaten first May increase salivation or have antimicrobial
activity Includes xylitol (sweetener in sugarless gum)
and cheeses
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OTHER FACTORS THAT AFFECT DIET CAROGENICITY
Consistency: Liquids are cleared quickly while sticky foods remain on the teeth
Meal frequency: frequent meals and snacks increase duration of exposure
Food composition Food form: liquid, solid, slowly
dissolving Sequence of eating: cheese or milk at
the end of the meal decrease the cariogenicity of the meal
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CARIES PREVENTION GUIDELINES
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PERIODONTAL DISEASE Inflammation of the gingiva with
destruction of the tooth attachment apparatus
Gingivitis—early formNutritional care involves increasing
vitamin C, folate, and zinc
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TOOTH LOSS AND DENTURES
Tooth loss—denture placement Food selections change Saliva production decreases Reduced chewing ability Lower calorie and nutrient intake
occurs for many Simple nutrition counseling; Food
Guide Pyramid, etc.
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ORAL MANIFESTATIONS OF DISEASE Stomatitis:
inflammation of oral mucosa
Candidiasis and herpes simplex: fungal and viral infections which can affect mouth and esophagus causing pain and dysphagia
Photo: http://webpages.marshall.edu/~gain/bactnote/Image9.gif
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ORAL MANIFESTATIONS OF DISEASE Xerostomia: Dry mouth Periodontal disease Kaposi’s sarcoma—lesions in mouth and
esophagus; associated with AIDS
Kaposi’s Sarcoma in AIDS
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INSTRUCTION ON MOUTH PAIN/ORAL INFECTIONS
Avoid acidic and spicy foods Offer soft, cold, nutrient dense foods such as
canned fruit, ice cream, yogurt, cottage cheese Try oral supplements For xerostomia, try artificial salivas, sugar free
candies or gums
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MEDICATIONS THAT MAY CAUSE XEROSTOMIA
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DENTAL HEALTH AFFECTS NUTRITION Tooth loss may affect ability to
chew (relationship between loss of teeth and reduced intake of fruits and vegetables
Dentures are often ill-fitting ; problem foods include fresh fruits and vegetables, chewy and crusty breads and chewy meat like steak
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INTERVENTIONS Obtain a dental consult: if dentures are
missing, find them. If they are loose, replace or reline them
Modify diet consistency: mechanical soft, ground, pureed
Use least restrictive diet possible; individualize; mix consistencies if appropriate
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INSTRUCTION FOR WIRED OR BROKEN JAW
Provide pureed, strained, or blenderized foods as appropriate
Recommend small, frequent meals with oral supplements such as milkshakes, Instant Breakfast, medical nutritionals
Use liquid vitamin supplement if necessary
Recommend patient weigh self to monitor weight status
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DYSPHAGIA = DIFFICULTY SWALLOWING
Mechanical causes Trauma to esophagus with scar tissue Inelasticity due to repeated inflammation Tumor of esophagus
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DYSPHAGIA = DIFFICULTY SWALLOWING
Neuromuscular causes brain tumors Head injury Parkinson’s disease Achalasia (cardiospasm) Spinal cord injury
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INSTRUCTION FOR DYSPHAGIA (NATIONAL DYSPHAGIA DIET)
Intervention depends on severity of deficit Mealtime supervision, cueing Thickened liquids: thin » nectarlike »
honeylike » spoon thick Altered consistency:
Level 1: pureed Level 2: mechanically altered Level 3: advanced