Posts for category: Dental Procedures
Most first-time root canal treatments achieve their purpose in saving an internally decayed tooth and extending its life to match those of the patient’s non-decayed teeth. Occasionally, though, a root canal-treated tooth may become re-infected by decay.
There are a number of reasons for this: the permanent crown meant to add further protection against decay may have been delayed, giving bacteria an opening to re-infect the tooth; it’s also possible the original seal for the pulp chamber and root canals after filling wasn’t sufficient to prevent bacterial contamination.
There‘s also another reason that’s very difficult to foresee — the presence of narrow, curved root canals in the tooth that can pose complications during the procedure. Some of these known as accessory or lateral canals branch off the main canals to create a complex network that’s difficult to detect during the initial procedure. If they’re not cleaned out and filled during the procedure any tissue trapped in them can remain infected and ultimately die. If these canals also open into the periodontal membrane at the attachment between the teeth and bone, the infection can spread there and become a periodontal (gum) infection that can trigger future tooth loss.
Fortunately, a reoccurrence of infection isn’t necessarily a death sentence for a tooth. A second root canal treatment can correct any problems encountered after the first treatment, especially complications from accessory canals. It may, though, require the advanced skills of an endodontist, a dental specialist in root canal problems. Endodontists use microscopic equipment to detect these smaller accessory canals, and then employ specialized techniques to fill and seal them.
If you encounter pain or other signs of re-infection for a tooth previously treated with a root canal procedure, contact us as soon as possible. The sooner we can examine and diagnose the problem, the better your tooth’s chances of survival by undergoing a second root canal treatment.
If you would like more information on tooth preservation through root canal treatment, 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 “Accessory Canals.”
Stained teeth can be embarrassing — so much so you may even hesitate to smile. Before you seek out a whitening solution, though, there are a few things you need to know about tooth staining.
Tooth staining is more complex than you might think. There are actually two types: extrinsic, staining from foods and other substances of the outer surface of the enamel; and intrinsic, discoloration deep within a tooth that affects their outward appearance. The latter staining has a number of causes, including the type of dental materials used to fill a tooth, a history of trauma or the use of the antibiotic tetracycline during early tooth development.
There are some noticeable differences between the two types, although an examination is usually necessary to determine which you have. Extrinsic staining tends to be brown, black, or gray, or occasionally green, orange or yellow. Intrinsic staining can be red, pink or, if caused by tetracycline and fluoresced under ultraviolet light, yellow. If only one tooth is discolored it’s most likely intrinsic due to decay in the tooth pulp.
What can be done also depends on which type. Extrinsic staining can be modified through whitening, with either an office application or a home kit (there are differences, so you should consult with us before you decide). It may also be essential to modify your diet by restricting foods and beverages (coffee, wine or tea) known to cause staining and by eliminating tobacco use. You should also practice daily hygiene, including brushing with a toothpaste designed to diminish staining, and regular office cleaning and polishing.
Intrinsic staining can’t be addressed by these methods. Instead, you may need to undergo a procedure where we enter the interior of the tooth and insert a bleaching agent. If this isn’t an option, you can also choose a cosmetic restoration such as a porcelain veneer or crown that will cover the tooth to better match the color of your other teeth.
Dealing with stained teeth begins with a visit to our office to determine what type of discoloration you have and to learn your options. But regardless of what type you have, there is a way to a brighter smile.
If you would like more information on the causes and treatments of tooth staining, 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 “Tooth Staining.”
A “gummy” smile, in which the upper gums are too prominent, is a common condition. There are several causes for gummy smiles — determining which one is the first step to having your appearance changed.
Although perceptions vary from person to person, most dentists agree a gummy smile shows 4 mm or more of gum tissue, and the amount is out of proportion with the length of the crown (the visible tooth). Teeth normally erupt through the gums during childhood and continue development until early adulthood, shrinking back from the tooth until stabilizing in place.
This typically produces a crown length of about 10 mm, with a “width to length” ratio of about 75-85%. But variations can produce differences in the relationship between teeth and gums and the width to length ratio of the teeth. The teeth may appear shorter and the gums more prominent. Worn teeth, caused by aging or grinding habits, may also appear shorter.
If tooth to gum proportionality is normal, then the cause may be upper lip movement. When we smile, muscles cause our lips to retract 6-8 mm from the lip’s resting position. If the amount of movement is greater (meaning the lip is hypermobile), it may show too much of the gums. The upper jaw can also extend too far forward and cause the gums to appear too prominent.
There are a number of ways to improve gummy smiles, depending on the cause. Periodontal plastic surgery known as crown lengthening removes and reshapes excess gum tissue to reveal more of the tooth. Lip hypermobility can be reduced with Botox injections (to paralyze the muscles) or in some cases with surgery to reposition the muscle attachments. Orthognathic surgery can be used to surgically reposition an overextended upper jaw. Other cosmetic enhancements such as orthodontics, bonding or porcelain restorations can also prove effective.
The first step is to obtain an accurate diagnosis for your gummy smile. From there, we can devise the best treatment approach to bring your smile back into a more attractive proportion.
If you would like more information on minimizing a gummy smile, 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 “Gummy Smiles.”
Lasers have transformed our everyday lives, especially in healthcare. These intense beams of light of a single wavelength have revolutionized all manner of diagnostics and treatments, from general surgery to cosmetic therapy.
Dentistry has also been influenced by the laser revolution. Here are just a few of the areas where they’re growing in use and popularity.
Early disease detection. Laser instruments can take advantage of “fluorescence,” the tendency of bacteria to “glow” when exposed to certain wavelengths of light. This is proving more effective in detecting early tooth decay in pits and fissures (very tiny areas in a tooth’s biting surface) than traditional needle-like probing instruments called dental explorers. Newer lasers can now detect the same fluorescent qualities in soft tissues, which may reduce the detection time for oral cancer and make the difference between life and death.
Dental caries treatment. Lasers have become an alternative to the dental drill in treating teeth with dental caries (decay). Although with larger cavities lasers are somewhat slower than the conventional drill, they truly shine when it comes to early enamel caries and small cavities because they can be quite precise in the amount of tooth structure they remove. This feature allows them to be less invasive than a dental drill.
Periodontal treatment. Periodontal (gum) disease is an infection caused mainly by bacterial plaque and calculus (hardened plaque deposits) that have adhered to tooth surfaces. Lasers are emerging as an alternative to conventional periodontal (gum) surgery to treat voids or spaces below the gum line called periodontal pockets that have formed because of gum tissue detachment as supporting bone is lost. With their ability to target and destroy infected tissue without damaging nearby healthy tissue, lasers can achieve similar outcomes as traditional techniques but with less tissue damage and discomfort to patients afterward.
Research and development into laser technology continues to perfect these and other applications that promise to make dental procedures less invasive and more comfortable for patients.
For people with edentulism (total loss of teeth), removable dentures is a viable option for regaining both lost function and an attractive appearance. From the moment they begin wearing them, denture wearers can chew food, speak and smile with confidence.
But there are downsides to dentures, especially if they’re not cared for properly. Dentures put pressure on the gums and bony ridges of the jaw, which can cause bone to dissolve (resorb) and decrease its volume over time. Without proper maintenance they can also become a breeding ground for bacteria and fungi that not only lead to bad breath but, in cases of partial dentures, can increase the risk of dental disease. They could also contribute to serious systemic diseases.
You can reduce some of these risks by following these 3 important denture maintenance tips. Doing so will help extend the life of your dentures, as well as keep your mouth healthy.
Clean your dentures at least once a day. In addition to taking your dentures out and rinsing them with water after eating, you should also brush them daily with dish detergent, antibacterial soap or denture cleaner — but not toothpaste, which is too abrasive. Effervescent (fizzing) cleaning tablets also aren’t a viable substitute for manual brushing in removing disease-causing plaque from denture surfaces.
Take your dentures out at night while you sleep. Wearing dentures 24/7 can hasten bone loss, as well as increase your chances of dental disease or even more serious illnesses. A recent study, for example, found nursing home patients who left their dentures in at night were twice as likely to experience serious complications from pneumonia as those who didn’t. While you sleep, store your dentures in water or in a solution of alkaline peroxide made for this purpose.
Brush your gums and tongue every day. Keeping your gum surfaces clean will help reduce the levels of bacteria and other microbes that can cause disease. You can either use an extra-soft tooth brush (not the one you use to clean your dentures) or a damp washcloth.