treatment planning for indirect fixed restorations Flashcards Preview

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Flashcards in treatment planning for indirect fixed restorations Deck (15):
1

Scaling

removal of supragingival calculus

2

root planing

debriding root surfaces with a curette

3

are mobile teeth always a sign of disease?

no, it may be a response to abnormal forces and it doesnt always need corrective treatment

4

biologic width definition

the dimension of soft tissue which is attached to the portion of the tooth coronal to the crest of alveolar bone

5

whats the average histological width of the connective tissue attachement?

1.07mm.

6

whats average epithelial length?

.97mm.

7

whats total average attachment?

2.04mm, this is the biological width

8

what would happen if you prepped a crown and the margin was within 1mm of the alveolar crest?

This would cause inflamation and the bone would resorb to restore the normal biological width length. this would be a good time to refer to a periodontist for crown lengthening.

9

before you send a pt to get crown lengthening, what should you do to the margin?

define it. Make sure the periodontist knows where you are placing the margin so he knows where to extend the crown to.

10

how much space is needed between an implant and tooth?

1.5mm

11

how much space is needed between 2 implants?

3mm.

12

what length is needed interocclussaly for proper implant placement?

6mm

13

how far above the adjacents tooths CEJ should the implant be?

2mm

14

whats a ferrule?

circumferential ring of sound tooth structure that is enveloped by the cervical portion of the crown restoration

15

whats the ferrule effect?

at the ferrule there needs to be a minimum of 1.5-2mm. of sound dentin height between the core( build up inside coronal structure were tooth is missing) and crown margins