Posts for tag: dental implants
With a 95%-plus success rate, dental implants are an effective and durable replacement for lost teeth. But we can't place them and forget them: if you don't clean and maintain them they could fail as a result of disease.
The inorganic materials that make up the implant aren't in danger of infection. But the living gums and bone that surround and support the implant are at risk. In fact, there's a particular periodontal (gum) disease involving implants called peri-implantitis (“peri” – around; implant “itis” – inflammation).
Peri-implantitis begins when the gum tissues around the implant become infected and inflamed. This happens most commonly because plaque, a thin film of bacteria and food particles, builds up on implant surfaces. Another less frequent cause is a buildup of excess cement used to bond the crown to the implant. We need to remove the built-up plaque or the excess cement during your dental visit.
If the infection isn't treated or you don't keep up effective, daily hygiene practices, the infection can grow and extend deeper into the tissues and finally the bone. This can destroy the all-important integration of bone and metal titanium post that has created the implant's strong hold. When that support becomes compromised the implant can lose its attachment and, if untreated, eventually fail.
It's important to keep an eye out for any indications you may have a gum infection around an implant. Look for redness, swelling, bleeding or pus formation. If the implant feels loose, this may mean that extensive bone loss has already occurred. If you encounter any of these signs, see us immediately for an examination.
The best approach, though, is to prevent peri-implantitis in the first place. So, brush and floss daily around your implant as you do your natural teeth. And be sure you keep up regular dental cleanings and checkups.
With proper care and maintenance you can avoid problems with disease that could affect your implant. Healthy gums and bone will ensure your implant will last for many decades to come.
Generations have depended on dentures to effectively and affordably replace lost teeth. But they do have a major weakness: They contribute to jawbone loss that creates not only mouth and facial problems, but can also ruin a denture’s fit.
Bone loss is a normal consequence of losing teeth. The biting forces normally generated when we chew stimulate new bone to replace older bone. When a tooth is missing, however, so is that chewing stimulation. This can slow bone replacement growth and gradually decrease the density and volume of affected bone.
While dentures can restore dental appearance and function, they can’t restore this growth stimulation. What’s worse, the pressure of the dentures against the gum-covered jaw ridge they rest upon may irritate the underlying bone and accelerate loss.
But there is a solution to the problem of denture-related bone loss: an implant-supported denture. Rather than obtaining its major support from the gum ridges, this new type of denture is secured by strategically-placed implants that connect with it.
Besides the enhanced support they can provide to a denture restoration, implants can also deter bone loss. This is because of the special affinity bone cells have with an implant’s imbedded titanium post. The gradual growth of bone on and around the implant surface not only boosts the implant’s strength and durability, it can also improve bone health.
There are two types of implant-supported dentures. One is a removable appliance that connects with implants installed in the jaw (three or more for the upper jaw or as few as two in the lower). It may also be possible to retrofit existing dentures to connect with implants.
The other type is a fixed appliance a dentist permanently installs by screwing it into anywhere from four and six implants. The fixed implant-supported denture is closer to the feel of real teeth (you’ll brush and floss normally), but it’s usually more costly than the removable implant-supported denture.
While more expensive than traditional ones, implant-supported dentures still cost less than other restorations like individual implant tooth replacements. They may also help deter bone loss, which may lead to a longer lasting fit with the dentures. Visit your dentist for an evaluation of your dental condition to see if you’re a good candidate for this advanced form of dental restoration.
If you would like more information on implant-supported dentures, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Overdentures & Fixed Dentures.”
Most children's permanent teeth erupt on a fairly predictable schedule. Sometimes, though, one or more teeth might not develop as they should — or at all.
These absent teeth pose functional problems for chewing and hygiene, which can affect long-term dental health. But they can also have a disruptive effect on an otherwise attractive smile if the missing teeth are the upper lateral incisors in the most visible part of the smile.
You normally find this pair of teeth on either side of the upper central incisors (the two front-most teeth). On the other side of the lateral incisors are the canine or eye teeth, known for their pointed appearance. Without the lateral incisors, the canines tend to drift into the space next to the central incisors. This can produce an odd appearance even a layperson will notice: only four teeth where there should be six!
It's possible to correct this abnormality, but it will take time and expense. The first step is usually to move the teeth in the upper jaw with braces to their correct position. This puts teeth where they should be and also opens space between the canines and central incisors so we can eventually replace the missing teeth with dental implants.
But the key to all this is timing. It's usually appropriate to undertake tooth movement with braces during late childhood or adolescence. But implants shouldn't be installed until the person's jaw fully matures, usually in early adulthood. An implant placed before then could eventually become misaligned.
To accommodate the time between bite correction and implant placement, the patient can wear a retainer appliance that will keep the newly created space open. We can also attach artificial teeth to the retainer to camouflage the empty space.
It usually takes a team of a family dentist, an orthodontist and a surgeon to see this kind of “smile makeover” project through, possibly over several years. But the gains in better aesthetics and health are well worth the time and expense.
If you would like more information on replacing non-developing teeth, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “When Permanent Teeth Don't Grow.”
Dental implant technology has advanced at such an astounding rate in recent years that you can now walk into a dentist's office with a problem tooth and out the same day with a new one. Unfortunately, not all dental situations allow for this possibility.
For example, you might be considering an implant many years after losing a tooth. But there's a potential problem: there might not be enough supporting bone. While an implant might still be possible, inadequate bone complicates the matter.
Because implants are essentially tooth root replacements, they require a certain amount of bone for stability and the best attractive outcome. As a general rule, implants need to be surrounded by at least 1.5-2.0 millimeters of healthy bone to support an implant. But you might not have enough if your tooth has been missing for awhile, regardless if you have or haven't worn dentures or other restorations.
That's because bone has a life cycle in which older cells die and newer ones form to take their place. As we chew or bite, the force generated travels up through the teeth to the bone to stimulate this new growth. Without a tooth the bone doesn't receive this stimulus, which can slow the growth rate. Over time the affected bone can lose its volume and density.
If we find you've experienced loss to the point your bone won't support an implant, that doesn't automatically mean this popular restoration is out of the picture. But it will require us first performing a procedure known as augmentation or bone grafting to help rejuvenate some of the lost bone.
With grafting, we place processed bone grafting material in the jaw through a minor surgical procedure to form a scaffold for new bone to grow upon. After several months this can result in several millimeters of new growth maintaining the width of the underlying bone, which in turn may be able to support an implant.
Bone grafting is quite common, often performed at the same time as tooth extraction if there's going to be a time lag before installing an implant. Even if performed later, though, it can successfully rejuvenate lost bone and make it possible for you to take advantage of durable, life-like implants.
If you would like more information on dental implants, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Dental Implants after Previous Tooth Loss.”
People have depended on dentures for generations—and they still do. That's because they work, both in restoring dental function and a smile marred by missing teeth.
But they have one major drawback related to bone health. That's because living bone has a life cycle: as older cells die, new ones form to take their place. The pressure generated when we chew stimulates this growth. But when this stimulus goes missing along with the teeth, the cell replacement rate slows and bone volume and density gradually diminishes.
Traditional dentures can't transmit this chewing pressure stimulus. And because they rest directly on the gum ridges, they can adversely affect the underlying bone and actually accelerate bone loss.
But implant technology potentially solves this bone loss problem with dentures by using implants rather than the gums to support them. It's a two-fold benefit: first, the implants relieve much of the irritation to the gums and bone caused by traditional dentures. Primarily, though, the implants themselves can slow or even stop continuing bone loss.
Most implants are made of titanium, not only because it's compatible with the body, but also because it has an affinity with bone. Over time bone cells grow on the titanium post imbedded in the jawbone. This process not only creates stability and durability, it can improve bone health.
In recent years dentists have incorporated implants with dentures to create two exciting treatment options. With one option, the dentist installs two or more implants in the jaw, to which a specially fitted removable denture can be attached. You would still have the ease of removing the denture for cleaning, while gaining greater stability and a reduced risk of bone loss.
The other option is a fixed denture (or bridge) attached permanently to implants. For this option, a patient's jawbone must be adequate and healthy enough to support at least four to six implants. A fixed denture is also often costlier and more complex than a removable denture, but it can feel more like real teeth. It also promotes better bone health too.
Although both options are more expensive than traditional dentures, they can pay dividends for long-term dental health. Implants could help you enjoy your new dentures and resulting smile for a long time to come.
If you would like more information on dental implant-supported restorations, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Overdentures & Fixed Dentures.”