Posts for: September, 2019
Every good oral hygiene regimen has two parts — the part you do (brushing and flossing) and the part we do (professional cleanings and checkups).
But what’s involved with “professional cleanings” — and why do we perform it? The “why” is pretty straightforward — we’re removing plaque and calculus. Plaque is a thin film of bacteria and food remnant that adheres to tooth surfaces and is the main culprit in dental disease. Calculus (tartar) is calcified plaque that occurs over time as the minerals in saliva are deposited in bacterial plaque. It isn’t possible for you to remove calculus regardless of your efforts or hygiene efficiency. Ample research has shown that calculus forms even in germ-free animals during research studies, so regular cleanings are a must to keep you healthy.
The “what” depends on your mouth’s state of health and your particular needs. The following are some techniques we may use to clean your teeth and help you achieve and maintain healthy teeth and gums.
Scaling. This is a general term for techniques to manually remove plaque and calculus from tooth surfaces. Scaling typically encompasses two approaches: instruments specially designed to remove plaque and calculus by hand; or ultrasonic equipment that uses vibration to loosen and remove plaque and calculus, followed by flushing with water and/or medicaments. Scaling can be used for coronal maintenance (the visible surfaces above the gum line) or periodontal (below the gum line).
Root planing. Similar to scaling, this is a more in-depth technique for patients with periodontal disease to remove plaque and calculus far below the gum line. It literally means to “plane” away built up layers of plaque and calculus from the root surfaces. This technique may employ hand instruments, or an ultrasonic application and flushing followed by hand instruments to remove any remaining plaque and calculus.
Polishing. This is an additional procedure performed on the teeth of patients who exhibit good oral health, and what you most associate with that “squeaky clean” feeling afterward. It’s often performed after scaling to help smooth the surface of the teeth, using a rubber polishing cup that holds a polishing paste and is applied with a motorized device. Polishing, though, isn’t merely a cosmetic technique, but also a preventative measure to remove plaque and staining from teeth — a part of an overall approach known as “prophylaxis,” originating from the Greek “to guard or prevent beforehand.”
If you would like more information on teeth cleaning and plaque removal, 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 “Teeth Polishing.”
All crowns are designed to restore functionality to a damaged tooth. But crowns can differ from one another in their appearance, in the material they’re made from, and how they blend with other teeth.
A crown is a metal or porcelain artifice that’s bonded permanently over a decayed or damaged tooth. Every crown process begins with preparation of the tooth so the crown will fit over it. Afterward, we make an impression of the prepared tooth digitally or with an elastic material that most often is sent to a dental laboratory to create the new crown.
It’s at this point where crown composition and design can diverge. Most of the first known crowns were made of metal (usually gold or silver), which is still a component in some crowns today. A few decades ago dental porcelain, a form of ceramic that could provide a tooth-like appearance, began to emerge as a crown material. The first types of porcelain could match a real tooth’s color or texture, but were brittle and didn’t hold up well to biting forces. Dentists developed a crown with a metal interior for strength and a fused outside layer of porcelain for appearance.
This hybrid became the crown design of choice up until the last decade. It is being overtaken, though, by all-ceramic crowns made with new forms of more durable porcelain, some strengthened with a material known as Lucite. Today, only about 40% of crowns installed annually are the metal-porcelain hybrid, while all-porcelain crowns are growing in popularity.
Of course, these newer porcelain crowns and the attention to the artistic detail they require are often more expensive than more traditional crowns. If you depend on dental insurance to help with your dental care costs, you may find your policy maximum benefit for these newer type crowns won’t cover the costs.
If you want the most affordable price and are satisfied primarily with restored function, a basic crown is still a viable choice. If, however, you would like a crown that does the most for your smile, you may want to consider one with newer, stronger porcelain and made with greater artistic detail by the dental technician. In either case, the crown you receive will restore lost function and provide some degree of improvement to the appearance of a damaged tooth.
Roughly 75% of American adults are missing at least one tooth, mostly from disease, trauma or extraction for other dental reasons. A few missing teeth, though, never erupted in the first place.
It’s a rare occurrence, but sometimes people are born without certain teeth, usually back molars or premolars that may not be as visible. Occasionally, though, it’s the more visible upper lateral incisors positioned on either side of the central incisors (the two front teeth on either side of the midline of the face).
Missing incisors can lead to poor bites and create difficulties for speech development and nutrition. But these highly visible (or in this case, “invisible”) teeth can also detract from an otherwise attractive smile.
There are ways, however to correct a smile with missing lateral incisors. Here are 3 of those ways.
Canine substitution. We can fill the vacancy created by the missing incisors by orthodontically moving the canines (the “eyeteeth,” normally next to them) into the space. Braces can close the gap in a conservative way, while possibly correcting any existing bite problems. Because canines are larger than incisors, its often necessary to re-contour them and restore them with a crown, veneer or bonding material to look more natural.
Fixed bridge. A second way to fill the space is with a dental bridge. A bridge consists of a series of crowns fused together in a row. The middle crowns replace the missing teeth; the end crowns cap the natural teeth on either end of the gap, which establishes support for the bridge. Another variation is a cantilever bridge in which only one natural tooth is capped for support. With either type, though, the capped teeth will be permanently reduced in size to accommodate the crowns.
Dental implants. This popular restoration is also a favorite for correcting missing incisors. Implants provide a life-like and durable replacement for missing teeth, while not requiring any alterations to existing teeth as with a bridge. But they are more expensive than the other options, and they require adequate space between the adjacent teeth for insertion, as well as healthy bone for proper placement and anchorage. This is also an option that must wait until the jaw has fully matured in early adulthood.
If you would like more information on treating congenitally missing 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: Treatment Options for Congenitally Missing Lateral Incisors.”