02.07 txt planning for implants

Question 1

how much space do you want between a tooth and an implant

Answer 1

1.5-2 mm, so basically for a 4 mm implant, you need 7 mm between teeth

Question 2

how much ridge width is needed for an implant

Answer 2

1-2 mm of bone on both lingual and facial, remember to take the soft tissue into accout

Question 3

how much interarch space is needed?

Answer 3

• abutment height=5 mm
• crown thickness=2 mm
• thus minimum space = about 7 mm
• this is for a cement-retained implant, if there is less space, a screw retained implant could be used

Question 4

what is the amount that a patient needs to be able to open for the procedure

Answer 4

35 mm interarch when opening

Question 5

desirable tissue condition

Answer 5

you want keratinized tissue, you don’t want the tissue around the implant to move, that can allow the implant to pierce thru the non-keratinized tissue

Question 6

how far below the gingiva do you want the “table” to be?

Answer 6

2-4 mm

Question 7

amount of space needed between implants

Answer 7

3 mm

Question 8

disadvantages of an immediate implant

Answer 8

-compromisedfixturestability
• augmentationmayberequired
• primaryclosuredifficult

Question 9

Criteria for immediate implant placement :

Answer 9

-absence of infection
-sufficient residual socket walls
• adequate apical bone for primary stabilization
• available soft tissue for primary closure