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Questions and Answers
What is the primary reason for keeping the power control setting low on an ultrasonic scaler?
Which component is NOT typically included in a dental chart?
What should be done first when preparing to use a dental machine such as a Cavitron?
What is the main function of a periodontal probe in dental practice?
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What feature of a dental chart contributes to it being a legal document?
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Which of the following must be done after inserting a sterile tip into the Cavitron?
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Which of the following components is essential in charting for documenting a patient's allergies?
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What type of dental machine requires an external water source to prevent thermal damage?
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Which statement accurately describes one of the reasons for performing dental charting?
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Which option describes an incorrect setup for a compressor unit in dental practice?
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What is the primary use of explorers in dental practice?
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What is the maximum depth measured by the University of North Carolina probe?
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What is the primary function of periodontal probes?
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What is the best angle to use an ultrasonic probe when cleaning teeth?
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What are scalers primarily used for in dental care?
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Which statement correctly differentiates a scaler from a curette?
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What is the purpose of polishing teeth after scaling?
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What characteristic distinguishes the straight tip of calculus removal forceps?
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Which option describes the use of a shepherd's hook in dental practice?
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What is the recommended care for scalers and curettes?
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What must be ensured before using a dental machine such as a Cavitron?
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Which statement correctly describes the function of the periodontal probe?
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What happens when the power control on an ultrasonic scaler is set too high?
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Which component is essential information to include in a dental chart?
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What should the water control setting be adjusted to before using the Cavitron?
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Which of the following is considered a legal document in dental practice?
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What is one of the reasons for documenting procedures in a dental chart?
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What is a characteristic of the low-speed handpiece in dental practice?
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Which of the following components is NOT necessary for charting a patient's allergies?
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What is the first step in preparing a Cavitron before use?
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What is the primary use of periodontal probes?
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Which type of instrument is primarily used for supragingival scaling?
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What is the maximum depth that a Williams markings probe can measure?
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What distinguishes a curette from a scaler?
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What is the shape of the end of an explorer?
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Which of the following is NOT a measurement unit used by periodontal probes?
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How are scalers limited in their use compared to curettes?
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What is the purpose of polishing teeth after scaling?
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What conditions can be determined using a periodontal probe?
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What is the best angle to use on the tooth when cleaning with an ultrasonic probe?
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Study Notes
Dental Machines
- Micromotor requires frequent sharpening
- Micromotor can be used for tooth sectioning prior to extraction
- Micromotor requires an external water source to avoid thermal damage due to the lack of internal water
- Compressed air units can have a high speed handpiece with water, a low speed handpiece without water, and an airway water syringe.
- Compressed air units can be equipped with satellite compressors
- Cavitron (ultrasonic scaler) requires water flow to the dental machine
Cavitron Operation
- Cavitron selector switch has a red LED light indicating power
- Cavitron power control knob should be set to minimum during initial setup
- Cavitron water control should be set to maximum while holding the handpiece over a sink to ensure water flow
- A sterile tip should be inserted and tightened into the nosecone before use
- Cavitron power and water controls should be adjusted for a fine mist at the tip
- Cavitron power should be kept low to minimize heat generation
Dental Charting
- Dental Chart is a legal and essential part of a dental procedure
- Dental Chart documents patient information, pathology, and procedure details
- Dental Chart provides legal documentation, evidence of pathology, and justification for treatment
- Periodontal probe is the most important instrument for evaluating periodontal health
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Dental Chart Components:
- Clinic name
- Doctor name
- Client information
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Patient Information:
- Name
- Color
- Weight
- Age
- Sex
- Breed
- Allergies
- History
-
Exam:
- Skull type
- Occlusion
- Dental abnormalities
- Indexes
- Documentation
-
Types of charting systems:
- Anatomical
Dental Instruments
- Explorers are slender wire-like instruments with a sharp point and a Shepherd's hook
- Explorers are used to check for tooth irregularities, caries, enamel/dentin defects, fractures, tooth resorption, and subgingival calculus
- Periodontal probes are round or flat instruments with graduated blunt ends for measurement
- Periodontal probes measure gingival sulcus depth, periodontal pocket depth, and determine gingival inflammation, furcation, and tooth mobility
- Periodontal probes measure up to 10mm (Williams marking), 15mm (UNC probe), or 11.5mm (some probes)
- Periodontal probes make measurements in millimeters
- Recommended probe measurements for dogs: 0-3mm
- Recommended probe measurements for cats: 0-1mm
- Shepherd's hook is a common explorer used for identifying dental irregularities
- Calculus removal forceps remove large calculus deposits from the tooth surface
- Calculus removal forceps have a straight tip and a curved tip for engaging calculus near the gingival margin
- Scalers are used for supragingival scaling (above the gumline) and cleaning interdental spaces
- Scalers are limited to supragingival cleaning because they can cause trauma to the gingiva
- Scalers have three parts: handle, shank, and a working end with cutting edges
- The optimal angle for using an ultrasonic probe for cleaning is 0-15 degrees
- Polishing teeth after scaling removes plaque and smoothes etched enamel
- Curettes are more slender than scalers and have a round tip
- Curettes can be used above and below the gumline and should not be used as scalers
- Scalers have sharp cutting edges and are only to be used above the gumline
Dental Instruments
- Explorers: Slender, wire-like instruments with a sharp point and a Shepherd's hook used to examine teeth for irregularities.
- Periodontal probes: Graduated instruments used to measure gingival sulcus and periodontal pocket depth. Available with different lengths:
- Williams markings up to 10 mm
- University of North Carolina up to 15 mm
- Some probes up to 11.5 mm
- Measure in increments of millimeters
- Dogs: 0-3 mm
- Cats: 0-1 mm
- Shepherd's hook: A common type of explorer used to check for:
- Caries
- Enamel or dentin defects
- Fractures
- Tooth resorption
- Subgingival calculus
- Calculus removal forceps: Remove large calculus deposits from the tooth surface.
- One end with a straight tip
- Other end with a curved tip
- Scalers: Used for supragingival scaling (above the gumline) and in interdental spaces.
- Cannot be used below the gumline as it can cause gingival trauma
- Three parts: handle, shank, and working end with cutting edges
- Curettes: More slender than scalers with a round tip.
- Can be used above and below the gumline
- Should not be used as a scaler
- Recommended care for curettes and scalers: Frequent sharpening
Dental Machine & Air Unit
- Ultrasonic scaler: Uses high-frequency vibrations to remove calculus.
- Important to keep the power control at a lower setting to prevent heat generation.
- Steps for using:
- Connect water source and turn it on.
- Rotate the selector switch to "scaler" (red LED light should illuminate).
- Adjust power control to minimum setting.
- With no tip installed, set the water control to maximum and test water flow over a sink.
- Insert a sterile tip into the nosecone and tighten securely.
- Adjust power control and water control for a fine mist.
Dental Charting
- Dental chart documents information about the patient, pathology, and procedure, serving as a legal document and a vital part of a dental procedure.
- Importance of charting:
- Legal documentation
- Provides evidence for pathology identified.
- Justifies the treatments performed.
- Periodontal probe is the most important instrument used for assessing periodontal health.
- Components of the Dental Chart:
- Clinic name
- Doctor name
- Client information
- Patient information: name, color, weight, age, sex, breed, allergies
- History
- Exam: skull type, occlusion, dental abnormalities, indexes, etc.
- Documentation
- Two types of charting systems:
- Anatomical:
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Description
This quiz covers essential information on dental machines, focusing on the micromotor and Cavitron operation. Learn about their functions, maintenance requirements, and operational setup. Perfect for dental hygiene students and professionals seeking to reinforce their knowledge of dental equipment.
