Do Dental Veneers Like Lumineers Promote Tooth Decay?

If veneers are done properly, food should not get stuck under them; they will act and feel like your natural teeth.
Veneers are bonded to the tooth, which means there will be a resin material connecting the tooth to the porcelain, and there should not be a gap in between. Just like regular teeth, food can get stuck in between, requiring the use of floss to clean it out. While porcelain is not enamel and cannot decay, the remaining tooth structure that is still exposed can. If a person continues to brush and floss like they should, the likelihood of decay is not any different than without the veneers.

It is critical to have as perfect fit as possible with the right shape and contour so as to not trap plaque.  This will eliminate a decay problem.

The only time any dental procedure will "promote" decay is when the patient don't come to the dentist routinely.  As long as the dentist don't place the Lumineers over any decayed teeth areas AND the Lumineers is bonded correctly to the tooth structure, there should be NO "promoting" of any decay.  Home care and make sure you go to your dentist regularly will insure no dental investment goes wasted.  You don't have a new car and never bring it in for maintenance do you? Same in Dentistry with dental work.

No restoration that a dentist places in your mouth should promote tooth decay.Veneers are placed with a bonded seal over the entire front surface of the tooth and wrap over the bottom edge.  They are very strong, when placed properly. They should feel like natural teeth, floss like natural teeth, and have no excess spaces or places that the floss gets caught or shreds. The combination of proper placement, proper contours, and smooth edges should not promote decay.  Decay comes from the patient....you not flossing, not getting cleanings and exams, and generally poor MAINTAINANCE of your new smile.

A perfect design of veneer, good fit and finish from dentist and then meticulous oral hygiene regime will prevent tooth decay. Once you have veneers fitted, just floss and check if gets stuck, if it does ask your dentist to correct it. Veneers are porcelain layer on teeth so you still have your natural teeth underneath. Your teeth will still need that extra care to keep them clean.