Download presentation
1
Nutrition in dentistry
2
Vitamins
3
Vitamin B1 thiamine function – coenzyme (oxidative decarboxylation...)
Symptoms Deficiency: beri-beri exudative (wet) form – heart insufficiency, oedema dry form – polyneuritis, Wernicke-Korsakoff syndrome B1 deficiency – chronic alcoholism
4
Beri-beri
5
Vitamin B2 riboflavin 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
6
Vitamin B2 angular cheilosis conjuctivitis
atrophy of filliform papilae
7
Vitamin B3 niacin, 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
8
cheilosis mucositis glositis
glossodynia Pelagra - dermatitis
9
Folic acid Tetrahydrofolic acid
function – biosynthesis of purins → DNA Oral signs and symptoms Deficiency: 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 symptoms Deficiency: macrocytic anaemia, diarhea, weight loss
10
inflamed gingiva aphtous ulcers macrocytic anaemia
candidiasis inflamed gingiva aphtous ulcers macrocytic anaemia macrocytes normal RBC
11
Vitamin B6 pyridoxine 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
12
Vitamin B12 cyanocobalamine function – coenzyme, folate metabolism...
Oral signs and symptoms Deficiency: 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 symptoms Deficiency: pernicious anaemia, neurological signs
13
halitosis xerostomia
14
Vitamin C ascorbic acid
function – reducing agent, antioxidant, collagen biosynthesis, iron absorption, immunity... Oral signs and symptoms Deficiency: 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 symptoms Deficiency: fragility of vessel wall, impaired development of bones
15
Scurvy
16
Vitamin A retinol function – vision, growth and differentiation of epitels Oral signs and symptoms Deficiency: 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 risk Excess: impaired wound healing Other symptoms Deficiency: night blindness, xerophtalmia, mucosa dryness Excess: hepatosplenomegalia, anaemia, hair loss
17
desquamation of oral mucosa keratosis
gingival hypertrophy and inflammationm
18
leukoplakia xerostomia
disturbed enamel development caries
19
Vitamin D calcitriol function – hormone, Ca metabolism
Oral signs and symptoms Deficiency: osteoporosis, osteomalacia, rickets, incomplete mineralisation of teeth Excess: pulp calcification, enamel hypoplasia Other symptoms Deficiency: osteoporosis, osteomalacia, rickets Excess: Ca mobilisation from bones, kidney stones
20
pulp calcification enamel hypoplasia
osteoporosis rickets
21
Vitamin K Vitamin E function – blood clotting Oral signs and symptoms
Deficiency: increased risk of bleeding tocopherol function – antioxidant Vitamin E
22
Minerals
23
Fluoride Oral signs and symptoms
Deficiency: decreased resistance to caries Excess: enamel hypoplasia (fluorosis)
24
Iron Oral signs and symptoms
Deficiency: angular cheilosis, pallor of lips and oral mucosa, sore, burning tongue, glossitis Other symptoms Deficiency: anaemia
25
Calcium Oral 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
26
Zinc Oral 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
27
Magnesium Phosphorus Oral signs and symptoms
Deficiency: alveolar bone fragility, gingival hypertrophy Deficiency: incomplete mineralisation of teeth, increased susceptibility to caries if deficient during tooth formation, increased susceptibility to periodontal disease Phosphorus
28
Other nutrients
29
Carbohydrate Oral signs and symptoms
Deficiency: decreased risk of caries Excess (except fibre): caries
30
Fats Oral signs and symptoms
Deficiency: angular cheilosis, pallor of lips and oral mucosa, sore burning tongue, atrophy of filliform papillae, increased risk of candidiasis, glossitis Excess: no effect (teeth) but
31
Proteins Oral signs and symptoms
Deficiency: defect of tooth composition, eruption pattern, resistance to decay, increased susceptibility to soft tissue infraction, poor tissue healing and regeneration Excess: no effect
32
Water Oral signs and symptoms
Deficiency: dehydratation and fragility of epitelial tissue, decreased muscle strength for chewing, xerostomia, burning tongue
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.