Contact Us Today!Bonding allows the dentist to make restorations stay on a tooth. Refer to individual restorations in the sub-menus below this page to read how bonding applies in those situations.
How bonding works
Bonding can occur to both enamel and dentin (the portion of the tooth just under the enamel). It works slightly differently on these two different surfaces, but the bonding is usually done simultaneously to both.
The first step is to condition or etch the appropriate surfaces. For enamel, this is done with a gel. Under a microscope this surface would look very rough instead of very smooth. For dentin, the gel may be used, or a subsequent step may have its own etchant included. A good bond to dentin requires that the tubules that lead from the outermost part of the dentin towards the pulp (nerves and blood vessels) are partially cleaned out or opened up. This allows a sealer to penetrate into the tubules, like little fingers or pegs grabbing onto the tooth surface. Once the tubules are sealed, then a bonding resin is applied. This resin is compatible with the resin in the composite that is added next.
Once the bonding steps are complete, then composite resin or composite resin cement can be applied to restore the tooth or adhere a veneer or crown.
sometimes with amalgam fillings. This was due to the metal filling conducting hot or cold into the tooth.
It was great. Each staff member greeted me and they walked me through the whole office. I highly recommend Studio Dentistry. They are great!!
Before & After
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Patients sometimes experience sensitivity following bonding, especially on larger fillings on back teeth. Dentists take many steps to prevent this sensitivity, but some patients seem more prone to it. Sensitivity also occur (or occurred)
With composite fillings, temperature conduction through the filling is minimal. The most likely causes for this sensitivity are (1) failure of the sealing materials to completely plug the dentin tubules, (2) changes in stress forces within the tooth with bonded fillings, (3) incomplete seal of the filling between the teeth, (4) microscopic fractures of the treated tooth, (5) high spots on the filling that were missed while the mouth was numb, (6) unintentional exposure of root surfaces to the conditioning gel, and (7) exposure of the nerve to bacteria under the decayed portion of the tooth.
As you might imagine, placing composite fillings is challenging and requires expert technique. You can be sure that our practice takes every precaution to assure that you have very limited or no sensitivity following treatment. If you are prone to sensitivity, we may take the following measures at the earliest possible time:
- Application of desensitizing solution
- Adjustment of the bite to remove stresses and/or high spots
- Recommendation of anti-inflammatory drugs such as ibuprofen