1114 test 1 Flashcards
describe line angles
2 touching surfaces
describe point angles
3 touching surface
what are the roles of the dental assistant
communication (patient), setup, moisture control, cleanup …
what are the classifications of cavities
when do you use a matrix band
when the restorative material will leak of of the work area (like completing the swimming pool)
for amalgam restorations what is the order of operations
placing - band, wedge, ring removing - ring, wedge, band
where does the Tofflemire go
buccal
where does wedge go
lingual
how do you know how many retention pins to place
however many cusps of the tooth are missing
which way does the Tofflemire band sit
smaller side toward gingiva (like a dog cone)
where are retention pins screwed into
dentin
what must you do before using a whitening tray
brush and floss
where does sensitivity come from
whitening (potassium nitrate), use sensidine
who is prone to sensitivity
people with gum retention, cracks, microleakage
how are diastemas, cupping and overhang prevented
using wedges and matrix bands
describe neuromodulators
relax muscles, used for bruxism and TMJ problems, do not use on patients with MS
what are pontics
the teeth held up by abutments
what are abutments
teeth with implants
what are units
teeth in a bridge
what teeth are retraction cords placed on
abutments
how long do maxillary teeth take to osteointegrate
6 months
how long do mandibular teeth take to osteointegrate
3 months
what is an overdenture
a denture that goes over remaining teeth or implants
what is an immediate denture
the denture placed right after the teeth are pulled
what is necrosis
dead material
describe a periodontal abcess
in the sulcus, not related to root canal
describe direct pulp capping
when there is no dentin between the pulp and the restorative material
describe indirect pulp capping
when there is no dentin left between the pulp and restorative material
what does the suffix itis mean
inflamation
what is a pulpotomy
when the coronal pulp is removed (primary teeth)
what is a curette used for
calculus removal, root planing
what is a scaler used for
supragingival calculus removal
what is a periotome used for
cutting periodontal ligaments
what is a Kirkland knife used for
cutting and removal of gingival tissue
what is a pocket marker used for
measuring pocket depth and making marks for periodontal surgery
what are the contraindications for ultrasonic scaler
respiratory problems, infectious diseases, previous restorations
what are the guidelines for a laser
don’t use reflective instruments, protective glasses, high volume evacuator, protect other tissue
what are forceps
pliers used for extraction of teeth
where do you cut sutures
2-3 mm from the knot
Describe outline form
Initial depth and structure
Describe resistance form
Shape of walls and supporting structure
Describe retention form
Where to place retention parts (secures)
Describe convenience form
Dentist has access to a fully prepped tooth
When are non absorbable sutures taken out
In 5-7 days
Describe the impression sequence
Take alginate impression, prep, final impression, temporary restoration
What are the parts of a removable partial denture
Framework - metal skeleton, connectors - supports and connects framework, retainer - encircles abutment and holds denture, rest - keeps correct position
What is a healing collar
When getting an implant you have a healing collar to protect before putting the crown in (3 weeks maxillary, 1 week mandibular)
What are Ericksons stages of development
Learning basic trust 0-1, learning autonomy 1-2, play age 3-5, school age 6-11, adolescence 12-20
What are the frankl stages of behavior
Definitely negative, negative (reluctance), positive (acceptance), definitely positive
Describe overjet
Top teeth are too far forward
Describe overbite
Teeth come too far down
Describe open bite
When biting the teeth leave a gap
What is crossbite
When upper teeth fit inside the lower teeth