Powered Scalers and Implant Care Flashcards

1
Q
-Benefits the gingiva by removing 
biofilm & calculus deposits
-Produces less operator wrist fatigue 
than hand scaling
-Utilize rapidly vibrating, water-cooled 
tips to remove deposits from tooth 
surfaces and to debride periodontal 
pockets
A

Powered scalers

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2
Q
• Air driven (attached to unit 
handpiece hose)
• Produces less heat than ultrasonic
• 3,000-8,000 hertz (cycles per 
second)
A

Sonic scalers

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3
Q

What are the 2 types of ultrasonic scalers?

A

Piezoelectric

Magnetostrctive

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4
Q
  • Operate at higher frequency than sonic scalers (20-50 kHz)
  • Utilize a water lavage that deplaques/washes away debris in the periodontal pockets
  • Cavitation occurs with these instruments causing bubbles to form and collapse thereby disrupting the cell walls of harmful bacteria resulting in lysis (cell death)
A

ULTRASONIC SCALERS

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5
Q

______ occurs with these instruments causing bubbles to form and collapse thereby disrupting the cell walls of harmful bacteria resulting in lysis (cell death)

A

Cavitation

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6
Q

• Operate at a frequency of 29 kHz-50 kHz
• Strokes occur in a linear pattern via crystals activated by the ceramic
handpiece
• Only the lateral sides are effective in the removal of plaque and calculus
• The most effective portion of the tip is the last 2.4mm
• Requires less water to control heat
• Can be used on patients with multiple health issues (i.e., Asthma, COPD,
pacemakers, etc.)

A

Piezoelectric

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7
Q
• Commonly used in Europe and Asia
• Multiple area-specific tips can be 
utilized (must use a special wrench 
for putting tip on an off)
• This ultrasonic can be used in 
endodontic treatment when utilizing 
the proper tips
A

Piezoelectric

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8
Q

• Are reactivated by dimensional changes in crystals housed within
the hand-piece as electricity passed over the surface of the crystals.
The resultant vibration produces tip movement that is primarily
linear in direction

A

Piezoelectric

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9
Q
• Commonly referred to as brand 
name “Cavitron”
• Operates at a lower frequency 
than piezo (20-40 kHz)
• Strokes occur in an elliptical 
pattern via stacks of metal sheets
• Always requires water lavage due 
to production of heat
• All aspects of tip are activated 
and therefore effective for 
biofilm and calculus removal (DO 
NOT use tip for calculus removal)
• **Not to be used for patients 
with a pacemaker (unless 
shielded)
A

Magnetostrictive

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10
Q

• Using flat metal strips in a stack or a metal rod attached to a
scaling tip, electrical currents are supplied to a wire coil in the
hand-piece; a magnetic field is created around the stack or rod
transducer causing it to constrict. An alternating current then
produces an alternating magnetic field that causes the tip to
vibrate. Tip movement is elliptical

A

Magnetostrcitive

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11
Q

____ power setting for cavitron:

biofilm removal and light subgingival deposits

A

LOW:

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12
Q

____ power setting for cavitron:

general debridement of biofilm and calculus deposits

A

MEDIUM:

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13
Q

____ power setting for cavitron:

removal of heavy, tenacious calculus deposits

A

HIGH:

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14
Q

Do you want to use the tip of the cavitron on a tooth?

A

No

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15
Q

Can the tip of cavitron be used to lead into interproximal areas?

A

No

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16
Q

What mvmnt does piezoelectric use?

A

Lateral movements

17
Q

What mvmnt does magnetostrictive use?

A

Elliptical

18
Q

What mvmnt do sonic scalers use?

A

Circular

19
Q

Use a ___ grasp and ____ pressure with cavitron

A

Light grasp; light pressure

20
Q

What types of stroke is used with a cavitron?

A

Many different types (oblique, horizontal, and vertical)

21
Q

Is cavitron alone enough to remove all calc and plaque?

A

No; must be used with hand scaling

22
Q

What can occur on prosthetic crowns and restorations using ultrasonic scalers?

A

Scratch them

23
Q

What can you do to get supra and sub g calc around prosthetic crowns?

A

Lower setting on cavitron

24
Q
• A fixed-titanium post that is 
surgically placed into the maxilla 
or mandible in order to anchor 
prosthetic replacement of teeth in 
an edentulous space
• Crown prosthesis can either be
cement-retained or screw-
retained
• Dental implants act like natural 
teeth and are prone to periodontal 
disease, however, not caries
A

Dental implant

25
Q

Do peri-implant tissues react to plaque like the PDL?

A

yes

26
Q

T/F: In order to determine the health of a
dental implant, clinicians must utilize
periodontal assessment techniques such
as radiographs and probes

A

True

27
Q

Peri-implant mucosal ______ is characterized by pink, firm, and well-adapted gingival
tissues

A

health

28
Q

Peri-implant ______ is associated with clinical erythema, edema, and loss of tissue
tightness around the implant

A

disease

29
Q

T/F: If inflammation is present, peri-implant tissue must be palpated for tenderness and
suppuration, probed, and new periapical radiographs must be obtained and compared
with baseline images to determine if attachment loss has occurred

A

true

30
Q

Good oral hygiene habits must be stressed ______ implants are placed

A

BEFORE