Posts for: June, 2020
Tooth decay is one of two dental diseases most responsible for tooth loss (gum disease being the other). In the absence of treatment, what starts as a hole or cavity in a tooth's outer layers can steadily advance toward its interior.
Most people associate cavities with the crown, the part of a tooth you can see. But cavities can also occur in a tooth's roots, especially with older adults. Root cavities pose two distinct difficulties: They can lead to more rapid decay spread than crown cavities within a tooth; and they're harder to detect.
Tooth roots are ordinarily covered by the gums, which protects them from bacterial plaque, the main cause for decay. But roots can become exposed due to receding gums, a common problem with seniors who are more susceptible to gum disease.
Unlike the enamel-covered crowns, tooth roots depend on gum coverage for protection against bacteria and the acid they produce. Without this coverage, the only thing standing between tooth decay and the roots is a thin material called cementum.
If decay does enter a tooth's interior, saving it often requires a root canal treatment to remove decayed tissue in the inner pulp and root canals, and then replacing it with a filling. But if we're able to discover a root cavity in its early stages, we may be able to fill it like a crown cavity.
The best strategy, though, is to prevent root cavities from forming. This starts with a dedicated daily regimen of brushing and flossing to remove dental plaque. If you're at high risk for root cavities, we may also recommend antibacterial mouthrinses and other aids.
Regular dental visits are also a must: a minimum of twice-a-year dental cleanings to remove stubborn plaque and calculus (hardened plaque) deposits. For added protection against root cavities, we can also apply fluoride varnish to strengthen teeth. And regular visits are the best way to detect any cavity in its early stages when treatment is less invasive.
A heightened risk of dental problems like root cavities are a part of the aging process. But partnering together, we can lower that risk and increase the longevity of your teeth.
If you would like more information on root cavities, 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 “Root Cavities.”
If all goes normally, we have most of our permanent teeth as we enter puberty. Except, though, when it doesn't—sometimes incoming permanent teeth don't fully erupt, often because there's not enough room for them on the jaw. This can leave all or part of a tooth still up inside the gum and bones.
This condition is known as impaction, and it can cause problems with a person's bite and their smile. This is especially true of the upper canines, those pointed teeth located just under the eyes. Without them present, a person's smile can look oddly different. Moreover, it can worsen their bite and increase the risk of trauma and disease for nearby teeth.
Fortunately, there may be a way to coax impacted canines into erupting into their proper position on the jaw. It will involve, though, some minor surgery and orthodontic intervention to accomplish that feat.
First, though, a patient with missing canines should undergo a thorough orthodontic evaluation. This exam will reveal not only what may be going on with the missing teeth, but how the whole bite has been affected. Knowing the big picture will help direct the next treatment steps.
After pinpointing the impacted teeth's exact position (usually through x-rays or cone beam CT scanning), we then decide whether it's feasible to attempt to expose the teeth. Sometimes, a tooth's position is so out of place that it may be best to remove it and consider a dental implant or other restorative measures.
If it is in a workable position, then the impacted teeth would be exposed surgically (usually by an oral surgeon or periodontist). The surgeon would then bond a small bracket to the exposed tooth and then attach a small chain.
After suturing the incised gum tissues back in place, the chain extending outward from the gums would then be looped over orthodontic hardware attached to other teeth. This will place downward pressure on the upper canine tooth, and over several months prod it to fully erupt.
This may sound like an elaborate procedure, but it's fairly routine and predictable. As a result, a patient can finally get the full benefit of all their teeth, enhance their dental health and transform their smile.
If you would like more information on dealing with impacted 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 “Exposing Impacted Canines.”
Periodontal (gum) disease often involves more than gum inflammation. The real danger is what this bacterial infection may be doing to tissues beneath the gum line—including tooth roots and supporting bone.
Gum disease can do extensive damage to the forked areas where the roots separate from the main tooth body. If one of these areas, known as a furcation, becomes infected, the associated bone may begin to diminish. And you may not even know it's happening.
Fortunately, we may be able to detect a furcation involvement using x-rays and tactile (touch) probing. The findings from our examination will not only verify a furcation involvement exists, but also how extensive it is according to a formal classification system that dentists use for planning further treatment.
A Class I involvement under this system signifies the beginning of bone loss, usually a slight groove in the bone. Class II signifies two or more millimeters of bone loss. Class III, also called a “through and through,” represents bone loss that extends from one side of the root to the other.
The class of involvement will guide how we treat it. Obviously, the lower the class, the less extensive that treatment will be. That's why regular dental checkups or appointments at the first sign of gum problems are a must.
The first-line treatment for furcation involvements is much the same as for gum disease in general: We manually remove bacterial plaque, the main source of infection, from the root surfaces using hand instruments and ultrasonic equipment. This is often followed by localized antibiotics to further disinfect the area and stymie the further growth of the furcation involvement.
We also want to foster the regrowth of lost tissue, if at all possible. Classes II and III involvements may present a challenge in this regard, ultimately requiring grafting surgery to stimulate tissue regeneration.
The best approach by far is to prevent gum disease, the ultimate cause for a furcation involvement. You can reduce your chances of gum disease by brushing and flossing daily to remove disease-causing plaque. Regular dental cleanings and checkups, at least every six months, help round out this prevention strategy.
A furcation involvement could ultimately endanger a tooth's survival. We can stop that from happening—but we'll have to act promptly to achieve the best results.
If you would like more information on treating gum disease, 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 “What are Furcations?”