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NHOH HM Manual Ch 16
NAVEDTRA 14295B Ch 16: Operative Dentistry
Question | Answer |
---|---|
Operative dentistry is concerned with the prevention and treatment of defects of what tooth surfaces? | Enamel and dentin |
Which instruments are used primarily to remove debris from tooth cavities? | Spoon excavators |
An even-numbered gingival margin trimmer is designed for use on which of the following tooth surfaces? | Distal |
An odd-numbered gingival margin trimmer is designated for use on which of the following tooth surfaces? | Mesial |
What type of working end does an amalgam carrier have for transportation? | Hollow |
An amalgam condenser is often referred to as which of the following instruments? | Pluggers |
Which of the following instruments is designed for carving all interproximal tooth surfaces? | Hollenback #1/2 |
What is an advantage of using a plastic instrument for placing composite restorations? | Will not discolor |
What number spatula is used to mix small quantities of cement? | #313 |
What length needle, measured in inches, is normally used for mandibular injections? | 1-3/16" |
The working end of a rubber dam punch is designed with which of the following mechanisms? | Plunger and wheel |
A “W” prefix on a rubber dam clamp indicates which of the following designs? | Without wings |
Which of the following rubber dam frames is the most popular? | Young |
What type of material is always tied around a rubber dam clamp before placement in the mouth? | Dental floss |
Which of the following types of matrix bands is most commonly used in restorative dentistry? | Straight #1 |
Extensions on the wide #2 matrix bands are known by which term? | Aprons |
Which of the following is the most commonly used matrix retainer? | Universal straight |
Wood or clear plastic wedges measure about how long in length? | ½ inch |
The operator’s zone for a right handed dentist is located between which positions? | 8 and 11 o’clock |
The assistant’s zone for a right handed dentist is located between which positions? | 2 and 4 o’clock |
The transfer zone is located between which positions? | 4 and 8 o’clock |
The static zone is located between which positions? | 11 and 2 o’clock |
How many inches should the dentist’s eye be away from the treatment site if the patient is properly positioned? | 14 to 16 |
In what zone will the instrument exchange between the dentist and the assistant take place? | Transfer |
Dental material is exchanged between the dentist and the assistant in what zone? | Transfer |
The needle end of a carpule is sealed with a rubber membrane held in place by what type of material? | Metal band |
If you must recap a needle, what technique should be used? | One handed scoop |
What device is used to remove blood, pus, saliva, and debris from the oral cavity? | High volume evacuator |
What type of cavity is present when three or more surfaces are involved? | Complex |
When the dentist has finished removing the tooth structure in a cavity preparation, what type of feeling will the dentin have when felt by an explorer? | Firm |
What is the last cutting step in the preparation of a cavity? | Finishing the enamel walls |
Stubborn particles of debris may be removed from a cavity preparation by which of the following materials dampened with water or hydrogen peroxide? | Small cotton pellet |
What two materials are used in a cavity preparation to protect the pulp? | Bases and cavity liners |
What material is used to seal the dentinal tubules to help prevent microleakage in a cavity preparation? | Cavity Varnish |
What instrument will the dentist use to bring any excess mercury from the amalgam to the top of the restoration? | Burnisher |
What BUMED instruction contains information of the Mercury Control Program (MCP)? | BUMEDINST 6260.30 |
Which of the following materials may be used to remove roughness or overhanging amalgam in the proximal area? | Metal filing strip |
Which composite resins are available for use in operative dentistry? | 1. Hybrid 2. Microfilled 3. Macrofilled |
What composite shade will appear if the tooth becomes dehydrated? | Lighter |
What type of matrix may be placed on the tooth before the acid procedure begins? | Celluoid |
Glass ionomer cement will bond directly with which tooth surfaces? | 1. Enamel 2. Dentin 3. Cementum |