Biology of Dental Implants Flashcards

1
Q

Epithelial cells attach to implants by _______

A

hemidesmosomes

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2
Q

How do collagen fibers interact with implant surface?

A

Don’t insert and create a cuff around implant

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3
Q

How are the collagen fibers oriented around an implant?

A

Parralell

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4
Q

Where is the source of blood supply around implants?

A

Periosteum

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5
Q

What is the biologic width around implants?

A

3 mm

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6
Q

What is the width of the junctional epithelium around implant?

A

1.3-1.8 mm

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7
Q

What is the amount of bone loss that is considered WNL around implants?

A

< 2mm

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8
Q

If you do not have radiographs to evaluate bone loss around an implant over time, how do you check for peri implantitis?

A

PD > 6mm + BOP

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9
Q

How much bone M-D needs to be between an adjacent tooth and implant?

A

1.5 mm

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10
Q

How much bone needs to be present for papilla for anterior teeth?

A

3-4 m

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11
Q

How much MD bone need to be in between 2 adjacent implants?

A

3 mm

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12
Q

How much bone thickness BL is needed for implant?

A

2 mm

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13
Q

How much buccal-lingual bone is needed in posteriors?

A

1 mm

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14
Q

Should you place the implant supra crestal, subcrestal, or equicrestal?

A

0.5 mm subcrestal

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15
Q

Concept of placing an abutment of a
narrower diameter on the implant of a wider
diameter to preserve alveolar bone levels at
the crest of a dental implant

A

Platform switching

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16
Q

It reduces peri-implant bone resorption at the one crest:

  • ShiWs the inflammatory cell infiltrate inward and away from the adjacent crystal bone
  • Maintains the supracrestal a^achment
  • Increases distance of implant-abutment juncBon from the crystal bone
  • limits possible interface of bone with micro-movements
A

Platform switching

17
Q

Are 2 piece or one piece implants usually better?

A

2 piece

18
Q

The _____ at 2 part implants is a place where inflammatory infiltrates enter

A

Microgap

19
Q

How much keratinized tissue needs to be present for implants?

A

> 2mm KT