Dental Filling | Tooth Filling | Silver Filling | Cavity Filling | How it is done

The process of replacing a chipped or decayed area of the tooth with an inactive material. The term may also be used to describe the restorative material itself. Amalgam, a hard-wearing mixture of silver, mercury, and other metals, is often used for back teeth. Tiny amounts of mercury released from such filling are believed by some to cause health problems. Txawm li cas los, a link has yet to be scientifically established. If a front tooth is chipped, ending in which plastic or porcelain tooth-colored material.

WHY IT IS DONE

When enamel is damaged, bacteria can invade the beneath and eventually attach the pulp causing the tooth to die. Teeth are therefore repaired, where possible, at the first signs of damaged to prevent decay. The filling also restores a tooth’s original shape, which is important for appearance and also for a correct bite.

HOW IT IS DONE

If the filling required is large or in a sensitive area, the dentist numbs the surrounding gum with a local anaesthetic, any soft, decayed material is removed with sharp instruments. A high-speed drill is used to remove harder material and to shape a hoe that will hold the filling securely. Which the dentist works, a suction tube placed in the patient’s mouth draws away saliva and produces water to cool the ent of the drill. If the pulp is almost exposed the bottom of the cavity is ined with a sedative paste to protect the sensitive pulp from pressure and temperature changes. If one or more of the walls of the tooth is missing trought extensive decay, a steel band may be placed around the tooth to support the filling. The detist then mixes the amalagam or other filling material and packs it into the cavity smoothing the surce. The material hardens over 24 teev.

OUTLOOK

Amalgam filling have limited life and may need to be replaced after about ten years. Occasionally, a filling needs to be replaced sooner if dacay has spread under the filling of the filling ghas become dislodged or fractured.

Film

A thin, transparent sheet of callulose acetate of similar material coated with a light- or radiation-sensitive smulsion on which images wuch as X-rays are produced. The term is also used to decribe any thin layer or coating such as the covering of tears on the eyeball……

FILM BADGE

A device that enables hospital staff to monitor their exposure to radiation. Film badges are worn by people working on X-ray and radiotherapy departments. The badge consists of a piece of photographic film in a holder, which is worn on the clothing. The film has a fast emulsion on one side and slow emulsion on the other. Small doses start to blacken the slow emulsion and make the fast emulsion turn opaque.

FIMBRIAE

A fringe of threadlike or finger like filaments, such as those that make up the ends of the Fallopian tubes that open on the ovaries. During ovulation, the fimbriae guide the egg into the tube.

FINASTERIDE

A specific enzyme inhibitor drug that prevents the conversion of testosterone into the more potent male hormone dihydrotestosterone. Finasteride is used in the treatment of noncanerous enlargement of the prostate it shrinks the gland, thereby improving urine flow. It is also used to treat male pattern baldness in men. Side effects include erectile dysfunction as well as reductions in lipid and cement volume.

 

FINGER

One of the digits of the hand. Each finger has three phalanges and the thumb has two. The join at hinge joints moved by muscle, tendons that flex and extend the finger. The tendons are covered by synovial sheaths that contain fluid, enabling the muscles to work without friction. A small artery, vein and nerve run down each side of the finger. The entire structure is enclosed in skin with a nail at the tip.

mob

Finger injuries are common, especially lacerations, fractures and ruptures of the tendons. Mallet finger is a condition that occurs when the extensor tendon along the back of the finger is pulled away from its attachment after a blow to the fingertip. Infections may occur in the finger pulp at the tips, sometimes follows a minor cut. Inflammation that is due to arthritis or osteoarthritis may affect the joints of the fingers, causing stiffness, pain swelling, and deformity. Nyob rau hauv tas li ntawd, the flexor tendons which run along the front of the fingers, may become inflamed and stuck in the tendon Sheath, causing a condition known as trigger finger. Altered control of the muscles in the walls of the blood vessels and impaired blood supply to the hands and fingers may cause. Clubbing of the fingers is a sign of chronic lung disease or of certain forms of congenital heart disease. Tumors of the finger are rare, but they may occur in chondromatosis a condition that is characterized by multiple noncancerous tumors of the cartilage. Missing finger or a webbed appearance of the hand that is caused by a deep membrane between fingers.

 

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