WorksheetsChapter 41 CAD/CAM Study Guide
Total questions: 25
Worksheet time: 13mins
The dental assistant is often responsible for educating the patient about what the CAD/CAM option involves.
True
False
Depending on the dental assistant's training and skills, they may be allowed to scan the preparation digital impression.
True
False
The gingival margin should be clearly visible during the scanning process.
True
False
A disadvantage of using a CAD/CAM system is that it involves a long appointment.
True
False
The dentist should etch and rinse the tooth right after
checking the occlusion and contacts
placing the milled restoration
coating the tooth preparation with reflecting powder
placing the bonding agent
The construction of crowns and bridges is done in dental laboratories, where they use record of the geometry of a preparation.
computer surface digitization
alginate impressions
computer-aided manufacturing
crown and bridge software
How many physical impressions need to be taken when using a CAD/CAM system?
0
1
2
4
What model of the CAD/CAM restorative system has the ADA Seal of Acceptance?
CEREC Standard
CEREC 3
CEREC 2
CEREC 1
What is sometimes used to enhance the scanning process?
Reflective powder
Orthodontic wax
Cotton roll
Articulation paper
In a CAD/CAM system, what tool is used to create a digital model of the preparation?
Scanner
Handpiece
Mill
Ceramic block
The patient will typically need to wear a provisional retainer while waiting for the CAD/CAM restoration to be fabricated.
True
False
After obtaining the digital impression, the dentist
checks the occlusion and contacts
obtains the digital bite restoration
designs the replacement part
places the milled restoration
After the restoration is complete, the restoration is tried on the tooth to ensure the
occlusions, amalgams, and margins
contacts, occlusions, and sealants
margins, cement, and gum lines
margins, contacts, and occlusion
The CAD portion of a CAD/CAM system involves the physical fabrication of the restoration.
True
False
What does the dentist do next after obtaining the digital bite registration?
Checks the occlusion
Administers a local anesthetic
Sprays the teeth with Opti spray
Obtains the digital impression
After the dentist designs the digital restoration with the CAD software, it is sent to the
cementing
restorative
engineering
milling
How many appointments will be needed if the dental practice uses a digital impression system rather than a CAD/CAM system?
2
1
3
5
What material is used to fabricate the restoration when using a CAD/CAM system?
Ceramic
Composite
Stainless steel
Amalgam
What does the dentist do next after selecting the shade of the restoration during a CAD/CAM restoration procedure?
Take the digital bite registration
Design the replacement part
Adjust the milled restoration
Prepare the teeth
How many appointments are required to scan and fabricate a restoration when a CAD/CAM system is used?
1
5
2
3
The restoration should be cemented into place before it is polished and glazed.
True
False
The CAD/CAM system has allowed construction of crowns, bridges, and veneers to be completed in the office instead of a laboratory.
True
False
The milling chamber is the portion of a CAD/CAM system that contains the material used to fabricate the restoration.
True
False
Which of the following is a disadvantage of the CAD/CAM system?
The cost may be greater than traditional restoration procedures.
The risk of infection is increased.
The procedure requires an hour break within the appointment time.
The patient must endure three long appointments.
The milling machine is usually located in the treatment room with the CAD equipment.
True
False
