Same-Day Crowns (CAD/CAM)
Online Dental Education Library
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Air abrasion - is a drill-less technique that is being used by some dentists to remove tooth decay and for other applications
Amalgam - Material made from mercury and other alloy mixtures used to restore a drilled portion of a tooth.
Anesthesia - Medications used to relieve pain.
Anterior teeth - Front teeth. Also called incisors and cuspids.
Arch - The upper or lower jaw.
Baby bottle tooth decay - Caused by sugary substances in breast milk and some juices, which combine with saliva to form pools inside the baby's mouth.
Bicuspids -Back teeth used for chewing.
Bitewings - X-rays that help a dentist diagnose cavities.
Bonding - Application of tooth-colored resin materials to the surface of the teeth.
Bridge - A fixed or removable appliance that replaces lost teeth.
Bruxism - Teeth grinding.
CAD/CAM dentistry, (Computer-Aided Design and Computer-Aided Manufacturing in dentistry), is an area of dentistry utilizing CAD/CAM technologies to produce different types of dental restorations, including crowns, crownlays, veneers, inlays and onlays, fixed bridges, dental implant restorations and orthodontic appliances.
Calculus (tartar)- Calculus is hardened plaque (a sticky substance) that has been left on the tooth for some time and is now firmly attached to the tooth surface. Calculus forms above and below the gum line and can only be removed with special dental instruments.
Canal - The narrow chamber inside the tooth's root.
Canines - Also called cuspids.
Canker sore - One that occurs on the delicate tissues inside your mouth. A canker sore is usually light-colored at its base and can have a red exterior border.
Caries - Another term for decay, which causes cavities.
Cold sore - Usually occurs on the outside of the mouth, usually on or near the nose or lips. A cold sore is contagious because it is caused by the herpes simplex virus, and it is usually painful and filled with fluid.
Composite filling - Tooth colored restorations, also known as resin fillings.
Composite resin - A tooth colored resin combined with silica or porcelain and used as a restoration material.
Contouring - The process of reshaping teeth.
Crown - An artificial cover that is placed on the top of a tooth following restoration.
Cusps - The pointed parts on top of the back teeth's chewing surface.
Cuspids - Front teeth that typically have a protruding edge.
Dentin - The tooth layer underneath the enamel.
Denture - A removable set of teeth.
Endodontics - A form of dentistry that addresses problems affecting the tooth's root or nerve.
Fluoride - A naturally occurring substance added to water, toothpastes and some rinses and used for strengthening the tooth's enamel.
Fluorosis - A harmless over-exposure to fluoride and resulting sometimes in tooth discoloration.
Gingiva - Another word for gum tissue.
Gingivitis - A minor disease of the gums caused by plaque.
Gum disease - An infection of the gum tissues. Also called periodontal disease.
Impacted teeth - A condition in which a tooth fails to erupt or only partially erupts.
Implant - A permanent appliance used to replace a missing tooth.
Incisor - Front teeth with cutting edges; located in the center or on the sides near the front.
Inlay - An indirect artificial filling made of various materials, including porcelain, resin, or gold. fitted to a cavity in a tooth and cemented into place.
Intracoronal - situated or made within the crown of a tooth
Laminate veneer - A shell that is bonded to the enamel of a front tooth. The shell is usually thin and made from porcelain resin.
Malocclusion - Bad bite relationship
Mandible - The lower jaw
Maxilla - The upper jaw
Molar - Usually the largest teeth, near the rear of the mouth. Molars have large chewing surfaces
Nightguard - Night mouth guards are bite pads that are worn at night as you sleep. There are also used as mouth guards for day use. These guards are made of high-grade plastic and are custom fit to the mouth. This device keeps the upper teeth from grinding with the lower teeth, offering an instant solution to teeth clenching problems.
Neuromuscular Dentistry - Are more than the aches and pains felt in and around the neck and head that are associated with your teeth and jaw.
Onlay - An indirect artificial filling made of various materials, including porcelain, resin, or gold; fitted to a cavity in a tooth and cemented into place. It is designed to protect the chewing surface of a tooth by extending to replace a cusp.
Orthodontics - A field of dentistry that deals with tooth and jaw alignment.
Overdenture - A non-fixed dental appliance applied to a small number of natural teeth or implants.
Palate - Roof of the mouth.
Partial denture - A removable appliance that replaces teeth. Also called a bridge.
Pedodontics - A field of dentistry that deals with children's teeth.
Perio pocket - An opening formed by receding gums.
Periodontal disease - Infection of the gum tissues. Also called gum disease.
Periodontist - A dentist who treats diseases of the gums.
Permanent teeth - The teeth that erupt after primary teeth. Also called adult teeth.
Plaque -Plaque is a sticky, colorless, almost invisible film or substance that forms on the teeth after sleep or periods between brushing. It is a growing colony of living bacteria, food debris, and saliva.
Posterior teeth - The bicuspids and molars. Also called the back teeth.
Primary teeth - A person's first set of teeth. Also called baby teeth or temporary teeth.
Prophylaxis - The act of cleaning the teeth.
Prosthodontics - The field of dentistry that deals with artificial dental appliances.
Pulp - The inner tissues of the tooth containing blood, nerves and connective tissue.
Radiographs - Diagnostic X-rays essential for detection of decay, tumors, cysts, and bone loss. X-rays also help determine tooth and root positions.
Receding gum - A condition in which the gums separate from the tooth, allowing bacteria and other substances to attack the tooth's enamel and surrounding bone.
Resin filling - An artificial filling used to restore teeth. Also called a composite filling.
Root canal - A procedure in which a tooth's nerve is removed and an inner canal cleansed and later filled.
Root planing - Scraping or cleansing of teeth to remove heavy buildup of tartar below the gum line.
Sealant - A synthetic material placed on the tooth's surface that protects the enamel and chewing surfaces.
Tartar - A hardened substance (also called calculus) that sticks to the tooth's surface.
Tooth decay – Tooth decay occurs when the acids found in plaque erode the natural enamel found on the teeth. This phenomenon can easily be prevented by using proper home hygiene methods. Tooth decay is one of the leading causes of tooth loss, and its treatment often requires complex dental procedures.Teeth polishing: Removal of stain and plaque that is not otherwise removed during tooth brushing and scaling.
TMD - Temporomandibular joint disorder. Health problems related to the jaw joint just in front of the ear.
Veneer - A laminate applied or bonded to the tooth.
Whitening - A process that employs special bleaching agents for restoring the color of teeth.
Wisdom tooth - Third set of molars that erupt last in adolescence.
A tooth that has been structurally damaged by decay or trauma sometimes needs to be crowned or “capped” so that it can look good and function properly again. A crown is a durable covering that is custom-made to fit over the entire tooth from the gum line up. Crown fabrication traditionally takes place in a dental laboratory. But these days, there's a much more convenient alternative: same-day crowns made in the dental office.
Advanced dental technology known as Computer-Aided Design/Computer-Aided Manufacturing, or CAD/CAM, makes it possible to fabricate laboratory-grade crowns and other dental restorations in minutes. It's an amazing innovation when you consider that traditionally, crowns take two or three visits and just as many weeks of waiting. Now you can have a restored tooth without the wait.
Best of all, studies have shown that CAD/CAM tooth restorations are just as successful as crowns made with traditional materials and techniques. And the amazingly lifelike appearance of a same-day crown means that no one will know your tooth has been restored.
How It Works
The process of crowning a tooth starts out the same way, whether it's a same-day crown or traditional crown: with “preparation” of the tooth. This involves removing any decay that's present, and shaping the tooth with a dental drill so that it will fit perfectly inside the crown. But the similarities end there.
If you were getting a traditional crown, the next step would be to take an impression (mold) of your teeth with a putty-like material, and use it to construct a model on which to create the crown. With a same-day crown, your teeth are simply given a light dusting of reflective powder and then a small scanning wand attached to a computer is used to take digital pictures inside your mouth. In seconds, the computer will generate a highly accurate 3D model of your teeth. But it gets even better.
With the help of the CAD/CAM software, your crown will be designed while you wait. The software can even be used to create a mirror-image twin of the same tooth on the other side of your mouth, for the most natural-looking result possible. Then a block of dental ceramic material is chosen in the shade that most closely matches your own teeth. The computer's digital design is transmitted to a milling machine that carves the crown from the ceramic block in about five minutes.
Once the crown's fit has been verified, and any necessary aesthetic enhancements have been made to the crown's surface (staining and glazing, for example), the crown will be bonded to your tooth. With a traditional crown, you would have to wear a temporary restoration for several weeks while the permanent crown was being fabricated at the lab. With a same-day crown, you walk out with the real thing.
Caring for Your Same-Day Crown
Crowned teeth require the same conscientious care as your natural teeth. Be sure to brush and floss between all of your teeth — restored and natural — every day to reduce the build-up of dental plaque. When you have crowns, it is even more important to maintain your regular schedule of professional cleanings at the dental office. Avoid using your teeth as tools (to open packages, for example). If you have a grinding habit, wearing a nightguard would be a good idea to protect your teeth and your investment. A well-cared-for same-day crown will last for years to come.
Creating In-Office Dental Restorations With Computers Once upon a time, dentists — and patients — needed to wait weeks for a dental laboratory to make crowns and other dental restorations. Now, with an exciting digital technology known as Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM), some dentists are fabricating high-quality restorations themselves right in their own offices — in minutes... Read Article
Porcelain Crowns & Veneers Dear Doctor magazine examines two innovative strategies for improving your smile. In many instances, these two restorative techniques can produce nearly identical aesthetic results, even though they are designed differently for handling different structural problems... Read Article