tartar

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tartar

 [tahr´ter]

tar·tar

(tar'tăr),
1. A crust on the interior of wine casks, consisting essentially of potassium bitartrate.
2. A white, brown, or yellow-brown deposit at or below the gingival margin of teeth, chiefly hydroxyapatite in an organic matrix. Synonym(s): dental calculus (2)
[Mediev. L. tartarum, ult. etym. unknown]

tartar

(tär′tər)
n.
Dentistry A hard yellowish deposit on the teeth, consisting of organic secretions and food particles deposited in various salts, such as calcium carbonate. Also called calculus.

calculus

Dentistry
Indurated, yellow-brown/black deposits on teeth formed by bacteria in dental plaques from mineralised calcium salts in saliva and subgingival transudates. 

Kidneys
A stone in the urinary tract.

Pathology
An abnormal, often calcium-rich mass found in various tissues, seen by light microscopy.

tartar

Calculus Dentistry Hardened gray-white preplaque goo composed of hydroxyapatite, food bacteria, which adheres to teeth after a meal; tartar and plaque cause bone inflammation around teeth known as periodontia. See Caries.

tar·tar

(tahr'tăr)
1. A white, brown, or yellow-brown deposit at or below the gingival margin of the teeth, chiefly hydroxyapatite in an organic matrix.
Synonym(s): dental calculus (2) .
2. A crust on the interior of wine casks, consisting essentially of potassium bitartrate.

tartar

See DENTAL CALCULUS.

Tartar

A hardened yellow or brown mineral deposit from unremoved plaque; also called calculus.
Mentioned in: Oral Hygiene

tar·tar

(tahr'tăr)
A white, brown, or yellow-brown deposit at or below the gingival margin of teeth, chiefly hydroxyapatite in an organic matrix.
Synonym(s): dental calculus (2) .
References in periodicals archive ?
Almost every prairie farm yard and many urban landscapes once hosted Tartarian honeysuckle (Lonicera tatarica).
Lonicera tatarica L.: (*,+); Tartarian Honeysuckle; rare, one bush; field; BSUH 11456.
See it in the million white Tartarian cherry blossoms that snapped open last week on the heritage tree at the Owen Rose Garden.
The popular Royal Ann and Black Tartarian are rarely grown commercially but are sometimes available at roadside stands.
Coady's lawyer, Kenneth Tartarian of Boston, spent the majority of his presentation arguing that the cemetery was improperly zoned.
It's probably the oldest Black Tartarian cherry tree in the United States, and in 1999 it was one of only 14 trees in Oregon to be named a "Heritage Tree" for its cultural, historic and economic significance.
Bada, Bing, Tartarian and Lambert are all varieties of which fruit?
for hither resort Jews, Tartarians, Persians, Armenians, Egyptians, Indians, and many sorts of Christians, all enjoying freedom of conscience, and bringing together all kinds of rich merchant life ...
While the title page of the fourth book alone says, "Of the Armenians, Medes, Persians, Parthians, Scythians, Tartarians, Chinois, and of Their Religions," the main title of the whole work is really daunting and formidable.