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what are the 5 objectives of non-surgical instrumentation?
- removal of biofilm, endotoxins, bacterial products, calc
- sustained release antibiotic or antimicrobial
- removal of iatrogenic biofilm retainers
what is the instrument grasp?
modified pen grasp (light)
what strokes are used during instrumentation?
- assessment strokes
- root debridement strokes to remove biofilm
t/f instrument grasp should be firm and secure
t/f apply a light grasp with light lateral pressure after calc removal
what are the three parts of an instrument?
what has a double ended handle
correct cutting edge for scaling
70 degree angulation needed
what are the microorganisms like before treatment?
- flora is anaerobic
- gram -
- motile rods
- very high total count of all types
- higher leukocyte count
what are the effects of microorganisms after treatment?
- flora is aerobic
- gram +
- coccoid forms
- lower counts of microorganisms
- lower leukocytes
post tx, what should be done with the explorer?
examine all areas for complete removal of calc
scaling to remove calc and all soft deposits
root planning to eliminate subgingival calc
smooth tooth surface
root debridement to eliminate subgingival biofilm and mineralized deposits = _________ ________
the u/s mode of action is:
cavitation: ______ bubbles are created to collapse and release ______,
irrigation: oscillation of the u/s tip causes _________ waves,
variable elements: ________ and __________.
- amplitude and frequency
what is a legal concept that can exist without a written document. Informing all pt's of tx options and they must consent to follow the recommendations in the agreed care plan called?
iatrogenic and genetic are all what factors?
RISK factor for perio
what 4 things are included in assessment (of ADPIE)?
- medical history
- dental history
- clinical exam
- link to risk factors
(which step of adpie)________ is to provide evidence based, individual pt care, eliminate or control etiologic/predisposing disease factors, eliminate signs and symptoms of disease, and promote oral health and prevent recurrence of a disease.
what are 4 factors affecting sequence of care?
- existing etiologic factors
- severity and extent of condition
- individual pt requirements
what part of adpie is the actual tx for pt needs?
which part of adpie is immediately following initial therapy. Determine maintenance intervals, post op?
assess outcomes providing feedback for the hygienist. tissue changes, determines maintenance intervals. see if goals have been met, need for further tx decided is the purpose of _______
need to control the disease or prevent
monitor educational and behavioral change
monitor clinical signs of health
are all part of ________
what are four common sharpening errors?
- alteration of working end
- unnecessary metal removal
- altered shape
- flattened cutting edge
which type of shank design is desirable for instruments to locate calc with an explorer?
when would a rigid shank be desired?
for the removal of heavy calc more quickly and with less effort
what is the cross section of an area specific curet?
semi-circular cross section
the working end of an area specific curet looks like what?
- rounded back and toe
- one working cutting edge per working end
t/f the self angulated working edge of an area specific instrument is at correct angulation when the lower shank is parallel to the tooth surface being instrumented
what has a rounded toe enhance adaptation to the rounded root surface and root concavities?
the cutting edge of an area specific instrumetn
what are standard curets used for?
remove light calc deposits and deplaqueing
which gracey curet can remove medium sized deposits?
which shank is bend in one plane, primarily for ant teeth?
a complex shank is bent in ___ planes, used to reach the _____ and onto the ___ surface