Week 8 Finn- Implants

Question 1

What is a composite defect?

Answer 1

Bone + soft tissue defect

Question 2

What is required prior to implant placement?

Answer 2

• OPG
• CBCT
• Study models
• Reconstruct osseous and soft tissue defect either prior or during implant placement

Question 3

Min distance of implant from subjacent tooth?

Answer 3

1.5mm (to have sufficient blood supply)

Question 4

Min distance between implants?

Answer 4

3mm (otherwise bone will die)

Question 5

How much buccal bone should there be when implant is placed?

Answer 5

2mm

Question 6

What depth should implants be placed at?

Answer 6

2.5-3mm (biological width)

Question 7

Where should posterior region implant be positioned?

Answer 7

Should be positioned in center of future resto, aiming for at least 1.5mm of bone thickness at B and P/L side

Question 8

How should anterior implants be positioned?

Answer 8

Anterior ridge of implant shoulder should be positioned 1mm palatal to point of emergence of adjacent teeth, aiming for 2mm of bone thickness at facial side.

Question 9

What 2 important anatomic structures to be careful of when placing implants?

Answer 9

Sinus

IAN

Question 9

What should we examine on study models?

Answer 9

Examine occlusion for aberrant tooth movements or over eruption. Demonstrate to pt as well

Question 10

What length of implant should generally be used?

Answer 10

Md: 1cm

Mx: 1-1.3cm

Question 11

What is VME?

Answer 11

Vertical maxillary excess

• Incompetent lips
• Gummy smile
• Tx: lefort I