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DMD 5300 Dental Anatomy 1 > Intro to Composite/Occlusion (complete) > Flashcards

Intro to Composite/Occlusion (complete) Flashcards

1
Q

What does Composite mean?

A

Composite means composed of various parts or elements

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2
Q

What makes up composite?

A

Composite it composed of liquid resin that is filled with tiny particles of silicate or glass

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3
Q

What is composite specifically designed to do?

A

Composite is specifically designed to remain soft and workable until it is exposed to a specific wavelength of light.

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4
Q

Can composite set without the specific wavelength of light

A

Yes, composite can set if exposed to room lighting or a headlamp that is unfiltered for too long.

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5
Q

How long does it typically take composite to cure with the light on it

A

10 - 20 Seconds

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6
Q

What can cause differences in the amount of time it takes Composite to cure

A

Color of the Composite

Thickness of the Composite

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7
Q

When placing composite should we make sure to add quite a bit more than we need because after it is cured we can easily remove the excess and shape it?

A

No

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8
Q

What are the steps of placing composite?

A
  1. Bond the tooth
  2. Use wetting resin on our instruments
  3. Place the composite
  4. Shape, mold, and form the composite
  5. Cure the composite
  6. Finish the composite
  7. Check Occlusion
  8. Polish the composite
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9
Q

What is the purpose of Bonding Resin

A

To create a bond between the tooth and the composite that we are placing

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10
Q

What is the purpose of the wetting resin

A

to prevent the composite from sticking to our instruments

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11
Q

When curing composite, the rule of thumb is that our composite shouldn’t be more that _____ thick

A

2mm

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12
Q

Why can our composite only be 2mm thick if we want to ensure a proper curing

A

because the light is only able to penetrate the composite up to 2mm

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13
Q

Do we need to use a bonding resin to cured composite if we want to add more composite to it?

A

No we do not

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14
Q

What about composite allows us to add uncured composite to cured composite

A

air inhibits composite from completely curing, so even after it is cured the very outermost layer of the composite is referred to as being air-inhibited so that it hasn’t completely cured, and the uncured composite that we add will adhere to the already cured composite

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15
Q

Does it cause a problem that the air-inhibited layer of composite is left there even after we cure it?

A

no because that uncured layer will be removed with the finishing and polishing steps

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16
Q

What is the finishing step of composite placement

A

Using carbide burs and a handpiece to shape and smooth the surface of cured composite

17
Q

What specific things do we do during the finishing step of composite placement

A
  1. Refine the anatomy
  2. Shape cusps, incisal edges, angles, and ridges
  3. Define grooves, depressions, pits, and embrasures
  4. create a smooth and regular surface
  5. create proper contacts with opposing arch, or occlusion
18
Q

What is the best way to make the finishing step as easy as possible

A

making sure the composite was well placed before you cure it

19
Q

What is a functional cusp

A

A cusp that makes contact with the opposing tooth

20
Q

What is a non-functional cusp

A

A cusp that doesn’t make contact with the opposing tooth

21
Q

On the posterior teeth of the Maxillary arch, which cusps are functional and which are non-functional

A

Lingual cusps are functional

Buccal cusps are non-functional

22
Q

on the posterior teeth of the Mandibular arch, which cusps are functional and which are non-functional?

A

Buccal cusps are functional

Lingual cusps are non-functional

23
Q

What does the term overbite refer to

A

The vertical measurement of how much of the mandibular incisors are covered up by the maxillary incisors

24
Q

What does the term overjet refer to

A

the horizontal measurement of how far away the maxillary incisors are from the mandibular incisors

25
Q

In a normal occlusion where is the mandibular arch situated on the maxiallry arch

A

The mandibular arch is situated inside of the maxillary arch

26
Q

Where do the mandibular anterior teeth contact the maxillary anterior teeth

A

They contact the mesial marginal ridges of their counter parts, and the distal marginal ridges of the maxillary tooth that is mesial

27
Q

Where do the maxillary posterior teeth contact their mandibular counterparts

A

in the central groove and the distal marginal ridge

28
Q

Where do the mandibular posterior teeth contact their maxillary counterpart

A

in the central groove and on the mesial marginal ridge

29
Q

How do we know when the finishing step is complete?

A

When we have developed the anatomy just how we would like and when we have obtained a smooth and regular surface

30
Q

What step follows the finishing step

A

polishing

31
Q

What is the way to best learn about the surface texture of the composite that you have placed and finished?

A

by looking at the way that light reflects off of the tooth as opposed to looking directly at the tooth itself

32
Q

What is the color order in which we use the polishing points

A
  1. Green (rough)
  2. Yellow (medium)
  3. White (fine)
33
Q

What is the order in which we use the polishing points according to grit
- Lower grit to higher grit
or
- Higher grit to lower grit

A

Lower grit to higher grit

34
Q

What is the goal with each of the polishing points

A

to create an eve, uniform texture on the restorative surface

35
Q

What are the 5 pre-clinical objectives

A
  1. Oral disease Detection, diagnosis, and prevention
  2. Treatment of dental diseases and abnormalities
  3. Customized treatment of dental diseases and abnormalities
  4. Health care delivery and practice management
  5. personal development and professionalism
36
Q

What is the primary pre-clinical objective

A

to become diagnosticians

37
Q

What is the key to developing excellent hand skills

A

practice with meaningful feedback from

  1. ourselves
  2. our peers
  3. the faculty

DMD 5300 Dental Anatomy 1 (5 decks)

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