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Economical implant case: re-treat or remove and replace?

Last Updated: Jun 01, 2019

I have a patient who was missing #4 [maxillary right second premolar; 15] and then I extracted #5 [maxillary right first premolar; 14]. For financial reasons, I installed an implant in #5 site and then restored with a 2-unit bridge with an abutment retainer crown on #5 and a cantilevered pontic to replace #4. The alternative would have been to place a second implant in #4 site and a single crown. Any comments on the treatment selected?


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15 Comments on Economical implant case: re-treat or remove and replace?

peter Fairbairn

12/16/2013

Fine , works well on implants less so on natural teeth especially when anteriorly ( Pontic ) like this case and you probably have a nice looking " papilla " as well. Financial considerations are an important factor in treatment planning as we are doing the paying but beware and keep within an accepted parameter . Peter

CRS

12/18/2013

I'm confused the implant appears to be in the #4 area not the #5area. I would have used the #5area and made the cantilever in the second premolar area, screw retained. Then when the molar fails the patient can have an implant there with an implant retained three unit bridge 3-5, planning for the future, and avoiding an implant next to a failing molar. Both molars have bone loss, but I would maintain them with LANAP. Just a different viewpoint. Enjoy!

RBW

01/07/2014

Only potential problem that I see with this case is lateral excursion contact on the bicuspids. The way out of this is to build a strong positive cuspid rise on #6. Natural bicuspids without cuspid rise come loose and will tighten up in 2 weeks after cuspid rise established. Won't reverse with implants.

Dr L

12/16/2013

Hi, im fairly new to implant surgery but i have a question for you and the posters. The extraction socket of the 14 looks fairly recent. How long after the extraction was the implant in site 15 placed? And as the 14 socket heals and remodels, will it have an effect on the implant, specifically the bone levels around it?

Mike

12/16/2013

Always a possibility, but not likely implant will get compromised, the bone is there and implant will protect and preserve it. Site preservation was done utilizing PRF. Thanks

Mark Montana

12/17/2013

Probably fine, but it depends upon the supporting occlusion. If the patient has bilateral molar occlusion then the load on the implant site is considerably less. Certainly, financial constraints are real world and this solution has precedent.

Peter Fairbairn

12/17/2013

Hi Dr L , Woolfs Law 1891 answers your question ... Peter

Mark Montana

12/17/2013

Woolf's law is poorly named as it was an opinion never tested and therefore never a law. We've used it as a guide to generally good effect however it is defined by the peri-cemental area of the tooth abutments. Obviously Woolf would be surprised to see cantilevered hybrids today.

Richard Hughes, DDS, FAAI

12/17/2013

Seems to me that you have your tooth numbering in reverse because the implant is in the # 4 site, not the # 5 site. As per cantilevers, I would say no! However the rules are changing. Time will tell.

mike shulman

12/17/2013

Hello Dr. Highes, you right about the numbers,(some how got misstep), considering no occl contact and narrow table on a pontic, will you let it go? Not a big fan, but malprofessional feeling made me do it.

Richard Hughes, DDS, FAAI

12/18/2013

Hello Mike, this treatment is not my first preference. However, there is more than enough implant for the prosthesis. You are correct that narrow occlusal and flattened tables are needed. The weakest link is the screw holding everything together. Chances are this will work just fine!

DrT

12/18/2013

If you treat the early periodontal problems on tooth #3 I think this tooth should last many years...I would not be so quick to be treatment planning for its extraction. Let us remember that implants have just as many periodontal issues as natural teeth. Who knows, by placing an implant with a distal cantilever you may be building in more future problems in an effort to be prepared for the loss of a natural tooth, which loss should not occur for many years with proper treatment and maintenance

Dr J

12/18/2013

I see a disaster waiting to happen in the future (5-10 years)

Peter Fairbairn

12/19/2013

Strangely not I have two cases of cantilevering anteriorly from the early 90 s and neither have lost more than a mm of bone. The management of of bio - mechanical forces but Ti Implants is an interesting area and whilst cantilevering natural teeth on posterior teeth will mostly lead to issues of bone loss . As Richard said not the plan of choice but no problems . Peter

DrMILAN

12/20/2013

when u hv absolute width avail of with very good papilary area as not much bone loss why a cantilever why not 2 unit integral if economy was a very relevant factor in planning in such cases.in near future i dont find any dismay but the occlusal sheme will make u to have a furtehr extension of restoration in relation to molar endo treated one .then again u willhave a entire new range of loading criteria which will be economicaly strenious for u. but still then enjoy the cantilever as its not causing any problem, regards.

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