Overview of Dentitions
Which permanent tooth has the cusp of carabelli?
Maxillary first molars
1.6, 2.6
Where is supragingival calculus most often found?
Calculus (tartar) above the gumline is most often found on the lingual of the mandibular anteriors and the buccal of the maxillary molars. It is site specific where as subgingival calculus (below the gumline) is generalized.
White plaque found on one side or both sides of the lateral borders of the tongue.
Hairy Leuoplakia
Which interdental aid is used to hold a toothpick to aid in cleaning areas of inter proximal recession?
Perio-aid
The xray tube head comes in contact with intact skin, therefore, is it considered a:
semi critical item?
non critical item?
Non critical item-disinfected with a intermediate or low level disinfectant.
(semi critical items come into contact with with mucous membranes and must be sterilized)
Using the ISO system, what tooth number is the permanent mandibular left second molar?
Hint-Quadrants
3.7
The two stages of caries development are when the enamel begins to demineralize and when a hole developes, what is the name for each stage?
Incipiant cares is when the enamel starts to demineralize (white lesion)
Overt, Frank or Cavitation is when a hole as developed.
HIV gingivitis
When do we use Sodium Flouride NaF (neutral) fluoride?
When a patient has composite (white), porcelain or ceramic restorations.
Which type of sterilization method can use aluminum foil, metal, glass as a packaging material?
Static Air
Is a Disolinguocclusal describing a point angle or a line angle?
Point angle because it is describing 3 sides, line angle is only two sides for example distolingual.
What are the two specific groups of bacteria in the mouth that are responsible for caries?
Mutans Streptococci (MS) and Lactobacilli (LB)
LB in patients mouth indicates a high sugar intake
MS is transmitted through contact with saliva, not born with it passed on by caregiver.
Multiple flat bluish, blackish or reddish blotches, occurs in patients with HIV infection.
Kaposi Sarcoma
When do we use Acidulated Phosphate fluoride (APF)?
On natural teeth, or when a patient only has metal restorations such as gold or amalgam.
Avoid use in patients with ceramic and composite restorations.
When instruments are being processed in the ultrasonic cleaner, the lid must be closed and full PPE with utility gloves must be worn.
True/False
True
Sextant 5
What types of food should someone who is in orthodontic treatment avoid?
They should avoid chewy, sticky, hard foods
They should eat softer foods, and plenty of dairy products for calcium for bone health
Which virus can cause Hairy Leukoplakia, mononucleosis, nasopharyngeal cancer and lymphoma?
Epstein-Barr virus
What active ingredient is in whitening toothpaste?
Hydrogen peroxide and carbide peroxide
Can an intermediate level disinfectant also be used as a sterilant if the immersion time is increased?
No
A high level disinfectant such as gluteraldyhyde can be used for immersion for items that can not be heat sterilized with increased immersion time.
How many teeth are in a permanent arch?
16 teeth are in each arch, maxillary and mandibular.
32 teeth in a permanent dentition (both upper and lower arches)
What types of food should someone with Dental Caries avoid?
Fruits are best for desserts and raw vegetables for snacks, also can chew sugar free gum.
What is the difference between Herpes type I and type II?
Type I primarily causes oral lesions (cold sores)
Type II primarily causes genital lesions
What active ingredient is in Desensitizing toothpaste?
Potassium nitrate
-Blocks the openings to exposed dentinal tubules and can take several weeks to work.
If a surface is contaminated with blood which disinfectant must be used?
Intermediate
Examples are: Iodophor, hydrogen peroxide, phenols, chlorine based products and bromides.