Oral Mucosa in Disease and Dental Caries Flashcards
3 causes of a lump?
Hyperplasia, tumours, infection
4 causes of white patches?
Trauma, infection, immune, dysplasia
3 causes of red patch?
Vascular, immune, dysplasia
What can lack of saliva, salivary gland disease and diabetes cause?
A dry mouth
What drug can cause a dry mouth?
Diuretics
What do recurrent oral ulceration, oral dysaesthesia, oral candida, angular cheilitis and smooth tongue all suggest?
Iron deficiency
Give four underlying reasons for iron deficiency?
GI bleeding
Poor diet
Malignancy
Colorectal carcinoma
What is recurrent aphthous stomatitis a cause of?
Anaemia or haematinic deficiency
What can Crohns, sarcoidosis and allergies cause that swells the lips and cheeks?
Orofacial granulomatosis
What part of the GI tract can Crohns affect?
Any part of Gi tract
In Crohns disease what can obstruction of lymphatics cause?
Granuloma
In Crohn’s disease, what is mucosal oedema described as?
Cobblestoning
What are three oral manifestations of direct involvement in Crohns?
- Oral ulceration - mucosal tags
- Cobblestone mucosa - swollen lips
- Angular cheilitis
What condition involves dental enamel erosion and mucosal irritation and fibrosis?
GORD
What condition has hypersensitivity - villous atrophy?
Coeliac disease
What cures coeliac disease?
Gluten free diet
What two drugs used in UC could cause oral effects?
- Sulphasalazine type
2. Sterpods
In UC, what do oral lesions resolve with?
Colectomy
With diabetes type II, what can be seen in the mouth?
Thrush
What disease can show candida, oral ulcerastion, Kaposi’s sarcoma, herpes lesions, hairy leukoplakia, warts, severe gingitivits and bone loss?
HIV
What can low vitamin A, C and iron be a risk for?
Oral cancer
What is HPV 16 & 18 associated with?
Oropharyngeal cancer
What are two high risk sites for oral cancer?
- Soft (non-keratinising) sites - ventraltongue/floor of mouth
- Lateral tongue
What are erythroplakia, erythroileukoplakia, leukoplakia, erosive lichen planus, subm,ucous fibrosis and dyskeratosis congenita?
Potentially maligant lesions
What are dysphagia, change in voice, unexplained pain in mouth or neck, numb feeling in lips and face and red/white lesions signs of?
Oral cancer
What are the 4 relevant questions to ask about an oral lesion?
How long?
Painful?
Smoke/drink?
Colour?
4 causes of ulceration?
RAS, trauma, tumour, infection
What is a dynamic process involving the exchange of calcium and phosphate ions between tooth structure and saliva (plaque fluid), in the presence of acids produced by the fermentation of carbohydrates by oral micro-organisms?
Dental caries
What are the three factors in caries aetiology?
Tooth
Bacteria
Sugar
How are dental caries measured?
DMF index
What makes up DMFT?
Decayed - present experience of caries
Missing - past treatment of caries
Filled - past treatment of caries