Nutrition in dentistry
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Transcript of Nutrition in dentistry
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Nutrition in dentistry
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Vitamins
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Vitamin B1thiamine
function – coenzyme (oxidative decarboxylation...)
Symptoms
Deficiency: beri-beri exudative (wet) form – heart insufficiency, oedema dry form – polyneuritis, Wernicke-Korsakoff
syndrome
B1 deficiency – chronic alcoholism
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Beri-beri
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Vitamin B2riboflavin
function – coenzyme (redox reactions... )
Oral signs and symptoms
Deficiency: angular cheilosis, atrophy of filliform papilae, shiny red lips, sore tongue
Other symptoms
conjuctivitis, dermatitis, anaemia, mental retardation
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Vitamin B2angular cheilosis
conjuctivitis
atrophy of filliform papilae
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Vitamin B3niacin, nicotinic acid
function – coenzyme (redox reactions...)
Oral signs and symptoms
Deficiency: angular cheilosis, mucositis, stomatitis, oral pain, ulceration, denuded tongue, glositis, glossodynia, red and swollen tip or borders of tongue, dorsum is dry and smooth
Other symptoms
Deficiency: Pelagra (3D) – dermatitis, diarhea, dementia
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cheilosis mucositis glositis
glossodynia Pelagra - dermatitis
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Folic acidTetrahydrofolic acidfunction – biosynthesis of purins → DNA
Oral signs and symptomsDeficiency: angular cheilosis, mucositis, stomatitis, oral pain, sore or burning mouth, increased risk of candidiasis, inflamed gingiva, glossitis, glossodynia, red and swollen tips or borders of tongue, aphtous ulcers
Other symptomsDeficiency: macrocytic anaemia, diarhea, weight loss
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candidiasis
inflamed gingiva aphtous ulcers macrocytic anaemia
macrocytes
normal RBC
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Vitamin B6pyridoxine
function – coenzyme (amino acid metabolism...)
Oral signs and symptoms
Deficiency: angular cheilosis, sore or burning mouth, glossitis, glossodynia
Other symptoms
Deficiency: neuritis, diarhea, dermatitis, anaemia, seizures
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Vitamin B12cyanocobalaminefunction – coenzyme, folate metabolism...
Oral signs and symptomsDeficiency: angular cheilosis, mucositis, stomatitis, sore or burning mouth, haemorrhage gingiva, halitosis, dysplasia of oral mucosa, loss of taste, oral pain, ulceration, glossitis, glossodynia, red tongue, xerostomia, aphtous ulcers
Other symptomsDeficiency: pernicious anaemia, neurological signs
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halitosis
xerostomia
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Vitamin Cascorbic acidfunction – reducing agent, antioxidant, collagen biosynthesis, iron absorption, immunity...
Oral signs and symptomsDeficiency: Scurvy – red swollen gingiva, gingival friability, periodontal destruction, increased tooth mobility and exfoliation, sore burning mouth, soft tissue ulceration, increased risk of candidiasis, malformed teeth (inadequate dentine)
Other symptomsDeficiency: fragility of vessel wall, impaired development of bones
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Scurvy
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Vitamin Aretinolfunction – vision, growth and differentiation of epitels
Oral signs and symptomsDeficiency: impaired tissue healing and regeneration, desquamation of oral mucosa, keratosis, increases risk of candidiasis, gingival hypertrophy and inflammation, leukoplakia, decreased taste sensitivity, xerostomia, disturbed enamel development, increased caries riskExcess: impaired wound healing
Other symptomsDeficiency: night blindness, xerophtalmia, mucosa drynessExcess: hepatosplenomegalia, anaemia, hair loss
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desquamation of oral mucosa keratosis
gingival hypertrophy and inflammationm
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leukoplakia xerostomia
disturbed enamel development caries
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Vitamin Dcalcitriolfunction – hormone, Ca metabolism
Oral signs and symptomsDeficiency: osteoporosis, osteomalacia, rickets, incomplete mineralisation of teethExcess: pulp calcification, enamel hypoplasia
Other symptomsDeficiency: osteoporosis, osteomalacia, ricketsExcess: Ca mobilisation from bones, kidney stones
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pulp calcification enamel hypoplasia
osteoporosis
rickets
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Vitamin Kfunction – blood clotting
Oral signs and symptoms
Deficiency: increased risk of bleeding
tocopherol
function – antioxidant
Vitamin E
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Minerals
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FluorideOral signs and symptoms
Deficiency: decreased resistance to caries
Excess: enamel hypoplasia (fluorosis)
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IronOral signs and symptoms
Deficiency: angular cheilosis, pallor of lips and oral mucosa, sore, burning tongue, glossitis
Other symptomsDeficiency: anaemia
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CalciumOral signs and symptoms
Deficiency: incomplete mineralisation of teeth, rickets, osteomalacia, osteoporosis, bone fragility, increased tooth mobility and premature loss
Other symptoms
Deficiency: rickets, osteomalacia, osteoporosis
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ZincOral signs and symptoms
Deficiency: loss of taste and tongue sensation, delayed wound healing, increased susceptibility to periodontal disease, candidiasis, xerostomia, caries
Other symptoms
Deficiency: impaired immune function
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MagnesiumOral signs and symptoms
Deficiency: alveolar bone fragility, gingival hypertrophy
Oral signs and symptoms
Deficiency: incomplete mineralisation of teeth, increased susceptibility to caries if deficient during tooth formation, increased susceptibility to periodontal disease
Phosphorus
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Other nutrients
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CarbohydrateOral signs and symptoms
Deficiency: decreased risk of cariesExcess (except fibre): caries
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FatsOral signs and symptoms
Deficiency: angular cheilosis, pallor of lips and oral mucosa, sore burning tongue, atrophy of filliform papillae, increased risk of candidiasis, glossitisExcess: no effect (teeth)
but
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ProteinsOral signs and symptoms
Deficiency: defect of tooth composition, eruption pattern, resistance to decay, increased susceptibility to soft tissue infraction, poor tissue healing and regenerationExcess: no effect
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WaterOral signs and symptoms
Deficiency: dehydratation and fragility of epitelial tissue, decreased muscle strength for chewing, xerostomia, burning tongue