Impression Materials
What material is suited to take a whitening tray impression?
Alginate
What type of plaster is rarely used by dentist today?
Type I-Impression plaster
What would be the best material to use for a long-term reline and patient comfort?
Silicone rubber
What appliance is made for holding space in a dentition?
Space maintainer
Decay and whitening do not mix. Why?
Pulpal irritation
What disinfection technique is recommended for alginate impressions?
Immersing the impression for 30 minutes
Dental stone Type V is commonly used for because of its _____
Strength or hardness
What home care instructions should be given to a patient with a denture sore?
Leave denture out
Use warm salt water rinses
Eat soft foods
What type of appliance is a thumb sucking device?
Corrective & Interceptive
How much whitening gel should be placed in the tray?
1 drop per tooth
What steps can be taken to minimize gagging?
Speed up setting time by: using warm water
Do not overfill the tray
Position pt's head forward
Gypsum continues to harder and is 2 to 3 times harder after______
24 hours
How should dentures be stored overnight?
In a case with water
True or false: A palatal expander is used on the mandibular arch
False
The easiest stain to remove with a whitening procedure is?
Yellow-brown stains
What impression material must be poured within 30 minutes?
Alginate
During a single-step pour the excess material not used in the impression is used for a_________
Base
What should never be used when cleaning a denture?
Abrasives
80%
What type of patient should never have whitening?
A pregnant patient
What type of impression tray would be most used by a hygienist?
Disposable perforated stock tray
What clock position does the clinician stand at to take a mandibular alginate impression?
What material can be painted in a denture to indicate sore spots?
Pressure indicating paste
Post-treatment hypersensitivity can be caused because of ____________.
Dehydration of the dentinal tubules