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All on 4 or 6-8 implant supported crown and bridge prosthesis?

Last Updated: Aug 03, 2016

I am planning a fixed implant supported prosthesis in the lower arch in this patient. The amount of bone available on left posterior region is limited, so I will not be able to place more than 7.5 mm length fixture. The root pieces of lower anterior teeth will be removed and immediate implant placement has been planned. Few points I am worried about:
1) Placing too short implant in posterior region (7.5) can lead to an unpredictable result especially with opposite natural dentition
2) To go for all-on-four hybrid prosthesis or to place 6 – 8 implants and go ahead with crown and bridge prosthesis?
3) I have never done an all on four case. I will have an expert place the implants, of course.
4) Also I have never placed less than 8 mm length implants, so this is a concern.

Please give your valuable inputs and help me plan the case with maximum predictable results. Thanks.

9 Comments on All on 4 or 6-8 implant supported crown and bridge prosthesis?

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Jashiv

8/4/2016

Please give me your valuable inputs to plan the case. And feel free to ask of any information is missing . Thanks

Dr. Delm

8/6/2016

I think all on four is a safer bet, if done by an expert ofcourse.

Dr jatin kalra

8/9/2016

All on 4 will be a good n predictable option for this case

Bruce

8/9/2016

Plan it carefully. Looks like a combination syndrome but can see the anterior of the upper arch.

MIKE

8/9/2016

MIKE MY SUGGESTION IS PUT IN AS MANY IMPLANTS AS YOU CAN 6-8 SINCE SHORT WIDE IMPLANTS ( SAY A 5X7) IN THE POSTERIOR HAS GOOD SURFACE AREA. What happens if your all on 4 becomes an all on three. I WOULD RATHER HAVE AN ALL ON 8 BECOME AN ALL ON 6 OR 7.

Henry

8/14/2016

I agree with Bruce be careful. By the way; more implants is not better. Good luck!

Jashiv

8/15/2016

Yes i think i will carefully plan it. Being a prosthodontist i will make sure of the interarch space and go ahead with all on 4 hybrid prosthesis.

Omid Fard

9/1/2016

Dr. Anthony Sclar's ALL ON 4 course offered in Miami is a very informative course if you haven't done any.

Omid Fard

9/1/2016

Also, you may want to look into doing it guided. I have used nSequence and the results were nice.