Surgery Complications

Question 1

What are 3 problems causing incorrect implant position?

Answer 1

1. Angulation problem
2. Position (M-D, B-L) problem
3. Alignment (adjacent teeth, between implants)

Question 2

What is often the best treatment of a malposed implant?

Answer 2

Replacement, but could be nonsurgical completely

Question 3

What are 3 things to manage paresthesia if you place an implant that is too long?

Answer 3

1. Back out implant and replace with shorter fixture ASAP.
2. Steroids post op, follow progress with sensory nerve testing protocol.
3. Referal to microneurosurgeon if no improvement in 3 months post injury.

Question 4

The failure of all implants to integrate versus just one not integrating suggests what 2 things?

Answer 4

1. Technique Problem

2. Host problem

Question 5

What are some things to do to avoid problems pre- surgery?

Answer 5

1. Consent
2. General dentist-OMFS communication
3. Have correct parts and enough of them
4. Anticipate equipment problems

Question 6

Post operatively, if the fixture is mobile and has been in place for the usual amount of time time, what should be done?

Answer 6

Remove and replace with larger diameter fixture or remove and graft before replaceing

Question 7

Have the overall results been favorable when treating an ailing (peri-implantitis) implant (e.g. debridement, surface treatment, Graft, unload and monitor)?

Answer 7

No

Question 8

Chronic soft tissue inflammation or hypertrophy around fixtures is common where and usually due to what?

Answer 8

Common anterior mandible with overdenture usually due to inadequate attached tissue around implants or excessive tissue thickness

Question 9

What can be done when have soft tissue inflammation or hypertrophy around fixtures under implant retained overdenture?

Answer 9

PIP the denture and adjust

Question 10

What determines how much you can cantilever?

Answer 10

Arch length (1.5 times the A-P distance [of the most anterior and most posterior fixture])

Question 11

What is the “all on four” technique?

Answer 11

Prosthesis put on 4 implants not placed completely parallel to give more retention

Question 12

What are the guidelines with patients on bisphosphonates?

Answer 12

If on oral bisphosphonates for <3yrs, may need to take a drug holiday

Question 13

What is the omnivac splint material thickness we used for provisional restoration?

Answer 13

.020