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Dental Hygiene III > Mod 4 > Flashcards

Mod 4 Flashcards

1
Q

what is cavitation

A
  • bubbles produced when water contacts tip

- bubbles implode and produces shock waves that destroy walls of perio pathogens

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2
Q

what is acoustic turbulence

A

agitation or swirling of the fluid around the tip, distrupts biofilm

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3
Q

what is acoustic microstreaming

A

flow of cavitating water that has ability to debride .5 mm past area where the tip is touching the root surface

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4
Q

what is frequency

A

number of times the tip vibrates per second

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5
Q

what is amplitude

A

distance tip moves during one cycle, controlled by power setting

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6
Q

what is an ultrasonic

A

converts electrical energy into mechanical energy

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7
Q

what are the 2 types of ultrasonics

A

magnetostrictive- ellipical motion- stacks

peizo- linear motion-ceramic rods

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8
Q

what is sonic scaling

A

converts air pressure into mechanical energy- elliptical motion

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9
Q

what are the advantages of power scalers

A 
removal of biofilm
furcation access
access to deeper pockets
conservation of tooth structure
operator ergonomics
less fatigue
shorter instrumentation time
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10
Q

what are concerns for ultrasonics

A

aerosols
visibility
restorations

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11
Q

what are contraindications for ultrasonics

A
  • respiratory problems
  • demineralized areas
  • communicable diseases
  • immunosupressed
  • swallowing difficulty
  • cardiac pacemakers
  • newly erupted or primary teeth
  • implants
  • exposed dentinand hypersensitivity
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12
Q

what is the technique for ultrasonics

A

-pen grasp
light touch
start coronal and move apically

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13
Q

what are the 3 strokes for ultrasonics

A

vertical-interproximal
oblique- around corners
horizontal- facial

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14
Q

what should the water control be like

A
  • mist- stain, light calc, low power

- droplets- heavier calc, medium deposits

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15
Q

what is the triple bend design for

A

gross removal of moderate-heavy tenacious calc

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16
Q

what does the curved shank of the triple bend facilitate

A
  • access to line angles and interproximal surfaces

- supragingival use, some sub

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17
Q

what a slim straigt used for

A

light calc, pockets less than 4 mm

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18
Q

what is the slim curved used for

A

enhances adaptation to posterior root surfaces, concavities and furcations, pockets greater than 4 mm

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19
Q

what are symptoms of perio seen by the clinician

A

erythema, edema, bleeding on probing, increase in probe depths, loss of attachment, mobility, loss of alveolar bone

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20
Q

what are symptoms observed by the patient in perio

A

difficulty chewing, bleeding with brushing, blood on pillow, disomfort in gums, bad taste in mouth, bad breath

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21
Q

what is the silent disease like HBP

A

perio… very few visible signs

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22
Q

what is non surgical perio tx

A

all measures, non surgical and educational used to control gingivitis and periodontitis

23
Q

what are examples of NSPT

A

dental biofilm removal and control,supra and sub scaling, root debridement, adjunctive therapies, pt education

24
Q

what is needed in the treatment of perio disease

A

effective removal of plaque, calc and associated endotoxins so that perio healing can occur in the oral enviroment

25
Q

what indicates NSPT

A
  • plaque associated gingivitis
  • slight perio
  • moderate perio (for most patients)
  • severe chronic perio (for a few patietns)
26
Q

what are goals in perio therapy

A

control bacterial challenge (remove calc, plaque, homecare)
minimize impact of systemic risk factors
minimize local risk factors
stabilize attachment level

27
Q

what is scaling

A

instrumentation of the crown or root surfaces to remove plaque calc or stain

28
Q

what is root planing

A

removing cementum or surface dentin that is rough impregnated with calc or contaminated with toxins or microorganisms

29
Q

what is SC/RP

A

-complete removal of plaque and calc
-smooth glassy root
-often resulted in overinstrumentation
-

30
Q

what does root debridement do

A

treats preio as an infection or disease- is theraputic

31
Q

what does SRP do

A

mechanical removal focued on plaque and calc

32
Q

what is debridement

A

removal of disruption of bacterial plaque needed to reestablish perio health and restore balance

33
Q

what is gross scaling

A

aka gross debridement or preliminary partial scaling

removal of most accessable calc

34
Q

what is the code for perio scaling and root planing for 4 or more teeth? 1-3 teeth?

A

4341

4342

35
Q

is SRP prophylactic or theraputic

A

theraputic

36
Q

what is full mouth debridement

A

gross removal of plaque and calc that interferes with ability of dentist to do a eval

37
Q

what are the 3 steps of NSPD tx

A
  • full mouth disinfection or partial mouth
  • re eval appt
  • perio maintenance
38
Q

what is full mouth disinfection? partial?

A
  • 2, 2 hr appts. 24-48 hrs apart

- 2-4, 1 hr appts in a 2 week time span

39
Q

when should the reevaluation appointment be

A

4-6 weeks after instrumentation has been completed

40
Q

What are signs of non reponsive sites

A

continued loss of attachment
clinical signs of inflammation
bleeding on probing

41
Q

when should you refer

A
  • moderate perio if cant be controlled with NSPT
  • severe or agressive perio
  • perio conditions that continue to decline
42
Q

What is as important as intial therapy

A

homecare, talk to pt at every appointment

43
Q

what is informed consent

A

patients voluntary consent to treatment after they have been informed of perio disease, tx, risks benefits ect

44
Q

what is written consent

A
  • formal consent form to document consent process
  • pt dates and signs form
  • dentist and witness sign
  • copy in chart, copy to pt
45
Q

in verbal consent what do you do

A

record in chart

46
Q

what stroke is used for a hoe? chisel

A

pulling, pushing

47
Q

what is not a goal fo rNSPT

A

customize homecare instructions for pt

48
Q

successful perio debride always results in complete removal of cementum from exposed root surface

A

false

49
Q

full mouth disinfection is

A

perio debride completed in 2 appts within 24 hr period

50
Q

what is the end point of instrumentation in NSPT

A

the root surface and pocket are in a state that healing can take place

51
Q

when should the re-eval appt occur

A

4-6 weeks from end of NSPT

52
Q

what is the active tip area of ultrasonic

A

last 2-4 mm

53
Q

1 mm of wear on ultrasonic results in

A

____ loss of efficency

Dental Hygiene III (11 decks)

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