The Role of Saliva in Dental Caries 낱말 카드
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28 Terms
Lower central incisors
Which teeth are the least likely to get caries because of a salivary gland located right by those teeth?
Host factors
Saliva flow rate, buffering capacity, delivery of host defense factors, and concentration of ions
99%
What percentage of saliva is water?
1%
What percentage of saliva is solids?
Electrolytes, enzymes, proteins
What are the solids in saliva?
Whole saliva
What term refers to the mixed fluid in the mouth?
0.5-1 liters
What is the daily production of whole saliva?
Serous and mucous mix
What is the product of the submandibular gland?
Serous
What is the product of the parotid gland?
Serous and mucous mix
What is the product of the sublingual gland?
Mucous
What is the product of the minor glands (labial, palatal, buccal, tongue)?
Watery
Is serous saliva watery or sticky?
Sticky
Is mucous saliva watery or sticky?
Salivary proteins
The difference between mucous and serous saliva is due to what?
Sticky
Does sticky or watery saliva produce a higher caries risk?
6.8-7
What is the pH of whole saliva?
Gustatory salivary reflex
What describes saliva stimulation mediated mainly by chemoreceptors in the taste buds?
Masticatory salivary reflex
What describes saliva stimulation mediated mainly by mechanoreceptors in the PDL?
0.3-0.4 mL/min
What is the normal unstimulated whole saliva flow rate?
Unstimulated
Does unstimulated or stimulated saliva provide most of salivas protective functions?
Submandibular
A majority of unstimulated saliva is produced by what gland?
3-4 mL/min
What is the normal stimulated saliva flow rate?
Parotid
A majority of stimulated saliva is produced by what gland?
Below 0.25 mL/min
What unstimulated flow rate is below normal?
Below 1.0 mL/min
What stimulated flow rate is below normal?
Salivary dysfunction
Can be caused by medication, radiation, systemic diseases, gland related problems, nerve damage, and lifestyle
Xerostomia
What describes dryness of the mouth caused by reduction of saliva?
Hyposalivation
What describes decreased production of saliva?