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) .