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Dental alveoli (singular ''alveolus'') are sockets in the
jaw The jaw is any opposable articulated structure at the entrance of the , typically used for grasping and manipulating food. The term ''jaws'' is also broadly applied to the whole of the structures constituting the vault of the mouth and serving t ...

jaw
s in which the roots of
teeth A tooth (plural teeth) is a hard, calcified Calcification is the accumulation of calcium salts in a Tissue (biology), body tissue. It normally occurs in the formation of bone, but calcium can be deposited abnormally in soft tissue,Miller, J. ...

teeth
are held in the
alveolar process The alveolar process () (also called the alveolar bone) is the thickened ridge of bone A bone is a Stiffness, rigid tissue (anatomy), tissue that constitutes part of the vertebrate skeleton in animals. Bones protect the various organs of the bo ...

alveolar process
with the
periodontal ligament The periodontal ligament, commonly abbreviated as the PDL, is a group of specialized connective tissue Connective tissue is one of the four basic types of animal tissue (biology), tissue, along with epithelial tissue, muscle tissue, and nervou ...
. The lay term for dental alveoli is tooth sockets. A
joint A joint or articulation (or articular surface) is the connection made between bone A bone is a Stiffness, rigid tissue (anatomy), tissue that constitutes part of the skeleton in most vertebrate animals. Bones protect the various organs of th ...

joint
that connects the roots of the teeth and the alveolus is called ''
gomphosis In anatomy, fibrous joints are joints connected by Fibrous connective tissue, fibrous tissue, consisting mainly of collagen. These are fixed joints where bones are united by a layer of white fibrous tissue of varying thickness. In the skull the j ...
'' (plural ''gomphoses''). Alveolar bone is the bone that surrounds the roots of the teeth forming bone sockets. In
mammal Mammals (from Latin Latin (, or , ) is a classical language A classical language is a language A language is a structured system of communication Communication (from Latin ''communicare'', meaning "to share" or "to be i ...
s, tooth sockets are found in the
maxilla The maxilla (plural: ''maxillae'' ) in vertebrates Vertebrates () comprise all species of animal Animals (also called Metazoa) are multicellular eukaryotic organisms that form the Kingdom (biology), biological kingdom Animalia. Wit ...

maxilla
, the
premaxilla The premaxilla (or praemaxilla) is one of a pair of small cranial bones at the very tip of the upper jaw of many animals, usually, but not always, bearing teeth. In humans, they are fused with the maxilla. The "premaxilla" of theria, therian mamma ...
, and the
mandible In anatomy Anatomy (Greek ''anatomē'', 'dissection') is the branch of biology concerned with the study of the structure of organism In biology, an organism (from Ancient Greek, Greek: ὀργανισμός, ''organismos'') is any ind ...

mandible
.


Etymology

1706, "a hollow," especially "the socket of a tooth," from Latin alveolus "a tray, trough, basin; bed of a small river; small hollow or cavity," diminutive of alvus "belly, stomach, paunch, bowels; hold of a ship," from PIE root *aulo- "hole, cavity" (source also of Greek aulos "flute, tube, pipe;" Serbo-Croatian, Polish, Russian ulica "street," originally "narrow opening;" Old Church Slavonic uliji, Lithuanian aulys "beehive" (hollow trunk), Armenian yli "pregnant"). The word was extended in 19c. anatomy to other small pits, sockets, or cells.


Socket preservation

Socket preservation or alveolar ridge preservation (ARP) is a procedure to reduce bone loss after
tooth extraction A dental extraction (also referred to as tooth extraction, exodontia, exodontics, or informally, tooth pulling) is the removal of teeth A tooth (plural teeth) is a hard, calcified Calcification is the accumulation of calcium salts in a Tiss ...
to preserve the dental alveolus (tooth socket) in the
alveolar bone The alveolar process () (also called the alveolar bone) is the thickened ridge of bone A bone is a rigid tissue Tissue may refer to: Biology * Tissue (biology), an ensemble of similar cells that together carry out a specific function * ''Tr ...
. A platelet-rich fibrin (PRF) membrane containing bone growth enhancing elements can be stitched over the wound or a graft material or scaffold is placed in the socket of an extracted tooth. The socket is then directly closed with stitches or covered with a non-resorbable or resorbable membrane and
sutured
sutured
.


Pathology

The swelling of the dental alveoli can result in alveolitis, causing pain and discomfort to the mouth.


See also

*
Alveolar ridge A sagittal or side view image of a human head. The upper alveolar ridge is located between numbers 4 and 5. The alveolar ridge (; also known as the alveolar margin) is one of the two jaw ridges, extensions of the mandible or maxilla, either on the ...
*
Polyphyodont A polyphyodont is any animal whose teeth A tooth (plural teeth) is a hard, calcified Calcification is the accumulation of calcium salts in a Tissue (biology), body tissue. It normally occurs in the formation of bone, but calcium can be deposi ...


References


External links

* National Institute of Health
CRISP Database
{{Authority control Parts of tooth