Certification Flashcards
Cavity found in pits and fissures
class I
Class II cavity occurs
On the proximal or inbetween surfaces of posterior teeth
During the coronal polishing procedure what does the amount of pressure applied to the polishing cup influence?
Rate of abrasion
The clinical crown is the portion of the tooth which is
Visible in the oral cavity
Calculus is removed with
Scalers
Extrinsic stains are found where
Inside the tooth surface
Intrinsic stains are classified according to their
Origin
A dental assistant with a coronal polish certificate cannot perform what
A prophylaxis
A supporting or resting point when using an instrument
Fulcrum
A coronal polish is the complete removal of
Plaque and extrinsic stains
Whitened chalky spot on a tooth may be the breakdown of enamel in the early process of tooth decay and is known as
Decalcification
Positive effects that sealants can provide
Destruction of cavity causing bacteria
Improved cleansibility for pits and fissures
Arrest of early caries
For caries to develop these 3 factors must be present
A susceptible tooth, diet rich in fermentable carbohydrates, and specific bacteria
Which of the following is not a factor when recommending a sealant placement?
Age of tooth
Type of tooth
Recent caries activity
Frequency of flossing
Frequency of flossing
How are dental X-rays useful for detecting and diagnosing decay
They can show decay between the teeth where it cannot be visually observed
What is enamel hypoplasia
Disturbance in the formation of enamel caused by high fever or tetracycline
Two specific groups of bacteria in the mouth that are responsible for caries
Mutans streptococci and lactobacilli
Enchant contains 35% ________ and should not come into contact with the patient’s oral mucosa
Phosphoric avid
In the decay process the decay breaks down the enamel and then enters the _____
Dentin
Contraindications for sealants include
A primary tooth that will be lost soon
What agent is placed on a tooth to aid in retention of a sealant
Phosphoric avid
Primary cause of failure of sealant retention
Moisture contamination
When placing sealants what allergy should we be cautious of
Acrylate
Benefits of saliva
Physical protection
Chemical protection
Antibacterial protection
Goal of CAMBRA is to
Assess risk of caries in an individual
What is the term for when calcium and phosphate dissolve from hydroxyapitate crystals in the enamel
Demineralization
Process of changing a simple chemical into another substance that contains the same element is called _____
Polymerization
Most caries detection devices require the tooth to be
Clean
What develops when caries begin to demineralize the enamel
Incipient caries
Dental sealants act as a natural barrier protecting what surface of the teeth from decay?
Pits and fissures