Which surface of the most is transillumination used for?
Anterior Teeth
100
In which method do you place the toothbrush at a 45 degree angle toward occlusal/incisal plane?
Charters
100
Which finger supports the weight of hand when using motion activation?
the fulcrum: ring finger
100
What are the functions of the explorer?
To detect the texture and character of tooth surfaces before, during and after calculus removal, to detect carious lesions and to evaluate dental anomalies and anatomic features.
100
70-80 degrees
What is the angulation for calculus removal?
200
Name three types of mirror surfaces?
front surface, concave, and plane (flat surface)
200
What are some side effects of Chlorhexidine?
Temporary loss of taste, discoloring of teeth and tongue, an increase of supraginigival calculus formation.
200
The stabilization of the clinician hand outside the patient’s mouth, usually on chin or cheek called?
What is extraoral fulcrum?
200
When will you use the shepherd hook/23?
For supragingival examination of dental caries, margins of restorations, and to assess for sealant retention
200
Placing the tip or toe third (1-2mm) of the working end in contact with the tooth surface.
What is adaptation?
300
Should you use the mirror for indirect vision on posterior teeth facing toward you?
Yes. Particularly to view the distal surfaces of the teeth.
300
Name the ingredients for Isotonic Sodium Chloride solution.
½ a Teaspoon of salt with 1 cup of warm water.
300
The surface your fulcrum should be on when working on posterior teeth?
What is the incisal or occlusal surface?
300
When will you use the orban-type explorer/17?
Used on all anterior root surfaces, and on facial and lingual surfaces of posterior teeth (mesial to distal line angle only)
300
Universal curet with longer lower shank is the best choice to be used in:
A. Supragingival calculus removal
B. shallow pockets
C. above CEJ
D. in deep pockets
D. deep pockets
400
The mirror method used to see tooth number 28
Retraction
400
How many times should you vibrate the toothbrush in each group of teeth when using Bass technique?
Ten times
400
Where should your fulcrum be when exploring the lingual surface of tooth number 17?
What is on occlusal surfaces?
400
During calculus exploration, the explorer working end is inserted up to what point?
Until the back of the working-end touches the junctional epithelium at base of the pocket
400
Tip third should be hugging the surface of the tooth and the shank should be crossing the tooth's long axis.
How do you determine which working end of a scaler you should be using on an anterior tooth?
500
Name at least two ways to stop the fogging of the reflecting surface.
-warm the reflecting surface against the patient’s buccal mucosa
-ask patient to breathe through their nose
-wipe the reflecting surface with a commercial defogging solution
-wipe the reflecting surface with a gauze square moistened with mouthwash
500
What is the average formula percentage of Humectant?
20-40%
500
While exploring the lingual of tooth number 24, you would place your fulcrum on this surface.
What is the incisal surface?
500
What are the explorer design characteristics?
-It is flexible at the working-end
-the working-end may be paired or unpaired
-the working-end is 1 to 2 mm in length
-it is circular when cross- sectioned
500
The act of turning the handle between the thumb and index finger to maintain precise contact of the working-end to the tooth surface as it moves around the tooth.
What is "rolling the instrument handle" and why is it used in instrumentation?