Flashcards in Module 20 ch. 21/44 Deck (50):
Discolorations of teeth happen in what 3 ways
adheres to the surfaces
is in calculus/biofilm
incorporated in tooth/restorative structure
Extrinsic Stain occur on the _____ surface and ___ be removed.
Intrinsic stains occur ______ substance and _____ be removed.
What stains develop from sources outside the tooth.
Endogenous stains develop _______ the tooth and are always the ______ type
Yellow stain is associated with?
_____ stain has demineralization underneath it and _____ be scaled
Green stain is mostly found on what surfaces
facial cervical 1/3 of MX anterior tooth
Green stain results from oral ____, ____bacteria, and gingival _____
What stain is highly retentive and forms along the gingival 1/3
Black Line Stain follows contour of __ about ___ above the crest
Black-Line stain is most frequently on what surfaces
lingual/proximal of maxillary posterior
Black Line stain is more commonly found in _____
What stain appears light brown to dark leathery.
A ____ sometimes __ stain forms on teeth in pellicle after repeated use of stannous fluoride
What chemotherapeutics can cause brown stain
What causes a dark mahogany almost black stain and is common in eastern countries
What type of stains may be related to the period of tooth development.
What stain is caused by an antibiotic and can be absorbed by the bones and teeth and can be transferred through the placenta.
What color is tetracycline stain
light green to dark yellow
Color of tetracycline stain depends on?
length of time used
type of tetracycline
Defective tooth development may result from ____ abnormality or ______ influences
What hereditary disease is seen when the teeth appear translucent or opalescent
What hereditary disease is seen when the enamel is partially or completely missing and teeth are yellowish-brown to gray-brown
_____ is when teeth erupt with white spots or with pits that can discolor
What type of stains are inside the tooth but come from an outside source
What types of exogenous stains can become Intrinsic
Polishing procedures can interrupt enamel _____
Can you use polishing agents on restorative materials?
What are the rules for using polishing agents
Is stain removal recommended after gingival and periodontal treatments?
You should use _____ to polish if no unsightly stain is present
The rate of abrasion is controlled by the _ and __ of the particles as well as the manner in which they are _____
MOHS Hardness values
__ shaped particles produce deeper grooves
Many abrasives used are _ times harder than tooth surface
Particles that fracture into smaller sharp-edged particles are _____ abrasive
smaller particles are _____ abrasive
You should use ___ agents and apply a rubber polishing cup using ____ speed and _____ touch
You should apply polishing paste at a ___ angle to the tooth
Rubber polishing points can be used around ____, fixed ___ and in ___spaces
What slow speed attachment is used selectively and limited to occlusal surfaces
The air-powder polisher should be kept in a constant ____ motion and _to_mm away from enamel
The spray is angled away from ____ and at a _____degree angle
What is the MOHS hardness for Sodium Bicarbonate
Advantages of air-powder polishing
generates no heat
For anterior teeth the nozzle is at a ____ degree angle
For posterior teeth the nozzle is at an ___ degree angle
Air-powder polishing is contraindicated for patients with?
sodium restricted diet
respiratory diseases (COPD)
End-stage renal disease (Addisons/Cushings)