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There are many cosmetic dentistry options available today that dentists can use to replace missing teeth. The decision to use one instead of another depends on many factors. The best cosmetic dentistry treatment option can be different from person to person or from one area to another in the same mouth.
The purpose of this article is to list the major treatment choices and some of the key factors involved in the cosmetic dentistry treatment decision.
There are four major categories of restorations available for single tooth replacement:
The goal in restoring a missing tooth is choosing the most conservative treatment that will provide you with a restoration that not only looks good but is functional and has long-term stability.
Bonded dental bridges use the teeth adjacent to the empty space to help support the missing tooth. To do this, a very thin piece of metal or tooth-colored material is overlaid and bonded onto the back of the adjacent teeth. Running between these two bonded pieces is a tooth that fills in the empty space.
The main advantage of bonded dental bridges is that it is the most conservative type of dental restoration that uses the adjacent teeth for support. So, if the teeth next to the empty space look good and are not in need of any other type of restorations (fillings), bonded dental bridges may be an option.
However, because this restoration mainly gets its strength from bonding only, the long-term success depends highly on how your teeth fit together, how hard your teeth come together (grinding), and if your teeth are loose or not.
So, how long can this type of dental bridge be expected to last? Looking at long-term research studies, the failure rate is about 25% at five years. This means that one out of every four dental bridges will come off within five years. Generally, they can be re-bonded when they come off, but once it is re-bonded, the chance of it coming off again increases.
A cantilevered type of restoration only uses one tooth next to the empty space to support the missing tooth. Designs for this type of dental bridge can range from only using the back of the tooth (more conservative) to using a full crown to help support the missing tooth (less conservative).
The choice of which is done again involves the amount of force (grinding) that is placed on the teeth and whether the tooth is in need of a full dental crown for any other reason. If used in the correct situation, with no history of grinding, this type of dental bridge has a higher success rate than bonded dental bridges. This type of design is particularly useful for replacing missing lateral incisors.
Conventional dental bridges are generally what people think of when they hear the word "dental bridges." This type of restoration uses crowns on the teeth next to the empty space that are hooked together to help support the missing tooth.
This type of bridge is also the treatment of choice if the two adjacent teeth need to have crowns for other reasons.
Conventional dental bridges are also one of the most predictable of all the options for replacing missing teeth. The failure rate of conventional dental bridges in the dental literature has a wide range of variation, ranging from 20% over 3 years to 3% over 23 years.
A dental implant is a titanium metal "screw" that is placed directly into the bone in the area of the missing tooth. Once the dental implant is integrated into the bone, it will act as the root of the missing tooth. A dental crown can then be made to fit onto the implant.
By far, a dental implant is considered the most conservative of all the aforementioned procedures regarding the adjacent teeth. On the other hand, it may not seem conservative due to the surgical implant placement.
To be able to place a dental implant in the correct position, two main things need to be addressed. The first is whether there is enough bone to hold the dental implant and the second is whether the roots of the adjacent teeth are tilted and in the way of where the implant needs to go.
To overcome these concerns, you may require either bone grafting to increase the amount of bone or orthodontics (braces) to help move the roots of the adjacent teeth out of the way. Although this seems like a lot of work to do in order to place a dental implant, if the teeth next to the empty space look good and are healthy, a dental implant is the only way to replace the missing tooth predictably without altering your own teeth.
As with the other treatment options like dental bridges, the amount of force placed on your teeth (grinding) can have an effect on the long-term predictability of implants and should be evaluated. The failure rate of the dental implant in the front part of the mouth is currently around 5% at ten years.
By Greggory Kinzer, DDS, MSD
Gaps between your teeth may be considered by many as unattractive and make you feel self-conscious about your personal appearance. If you have spaces between your teeth, and you want to do something about them, talk to your cosmetic dentist about the latest in orthodontics and other aspects of restorative dentistry. However, before you can make a decision on which cosmetic dentistry treatment is the right one for you, it is important to know what causes spaces between teeth.
Each person is unique, and no one case presents a definitive reason why a space is present. Genetics can play a major role in how teeth form in your mouth. If your parents have spacing between their teeth, it is a good chance that you will also.
Childhood habits largely affect the position of your teeth as well. Breathing mostly through your mouth and sucking on your thumb are examples of habits that will affect the position of your teeth.
Adults can also have habits, like forcing their tongue against their upper teeth or pen biting, that can gradually shift teeth throughout life. When the teeth shift, spacing or even jaw joint pain can occur.
There are four ways to correct the spaces between your teeth. Diagnosing the reason the spaces are present will determine which of the treatments will best suit your needs.
Gaps between teeth can be filled by:
Placing braces on your teeth in order to move them into their correct position is usually the most ideal treatment. Using orthodontics to move the teeth is the most time consuming, but it is also the most beneficial. Orthodontics is used to place teeth so that your bite is in harmony with your smile.
All of the other treatments to fill the spaces, including tooth bonding, dental veneers like Lumineers, and dental crowns, although they are very good treatments, are considered esthetic and functional compromises, and should be discussed with your cosmetic dentist in order to determine which restorative dentistry treatment is best for you.
By Benjamin O. Watkins, III, DDS