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FAQ:  Dental Crowns


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Crowns Ask The Dentist Mitchell Pohl Question:
I had periodontal surgery 13 years ago in both upper quadrants. Since then I have lost all my upper molars but one #14, which is crowned but is on its way out. The gums did not re-adhere to the teeth and remained loose and painful until one by one they have been pulled. I have also had a crown on my front tooth, #8 for 23 years which also had a root canal.

My dentist is suggesting a partial for the missing molars, which will include the final molar that will be pulled and crowning of the remaining 8 front teeth #5 thru #12. I understand I have bone loss in the front teeth partially from the surgery and from the existing crown and crowning these teeth will strengthen them and hold the partial in better using precision attachments. The crowning will consist of the 8 teeth as a one piece crown.

This sounds like an awful lot of teeth to put in as "one." Will this "single crown" be as strong as if I had 8 individual crowns put on? Do you foresee any problems with this type of crowning? Thank you ...Visitor from FL

Answer:
It sounds like your dentist is doing the correct treatment. Due to the fact that you have had significant bone loss, the bone support of your front teeth is probably weak. Moreover, if you were to wear a partial denture only supported by your bicuspids, they may not be sufficient strength in those teeth to withstand the forces that you generate while eating.

My only suggestion would be to use a non resilient attachment versus a precision attachment. A precision attachment will transfer too much force to the crowns which could result in fracture of the bridge and hence redoing everything. Which leads me to the next suggestion.

I would consider placing gold telescopes over the teeth upon which the fixed bridge will seat. This gives you retrievability in cases of fracture; in which case, it can be sent for repair to the lab. You can view such a case at my website www.BocaRatonCosmeticDentist.com. Look at the last series of photos in the gallery.

Florida Reconstructive Dentistry
Mitchell Pohl, DDS
2900 N. Military Trail, Suite 105
Boca Raton Florida FL 33431
(561) 368-3440

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