posterior palatal seal area

posterior palatal seal area,

the area of soft tissues along the junction of the hard and soft palates on which displacement, within the physiologic tolerance of the tissues, can be applied by a denture to aid its retention.

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area,

n region.

area, apical,

n See base, apical.

area, basal seat,

n (denture-bearing area, denture-supporting area, stress-bearing area, stress-supporting area), the portion of the oral structures available to support a denture.

area, contact,

n See point, contact.

area, denture-bearing,

n See area, basal seat.

area, denture-supporting,

n See area, basal seat.

area, impression,

n the surface of the oral structures recorded in an impression.

area, pear-shaped,

n See pad, retromolar.

area, post dam,

n See area, posterior palatal seal.

area, posterior palatal seal,

n the soft tissues along the junction of the hard and soft palates on which compression, within the physiologic limits of the tissues, can be applied by a denture to aid in its retention.

area, postpalatal seal

n See area, posterior palatal seal.

area, pressure,

n an area of excessive displacement of soft tissue by a prosthesis.

area, recipient,

n the portion of the body on which a skin, bone, tooth, or other graft is placed.

area, relief,

n the portion of the surface of the oral cavity under prosthesis on which pressures are reduced or eliminated.

area, rest (rest seat),

n the prepared surface of a tooth or fixed restoration into which the rest fits, giving support to a removable partial denture.

area, rugae

n (rugae zone), that portion of the hard palate in which rugae are found.

area, saddle,

n See area, basal seat.

area, stress-bearing,

n See area, basal seat.

area, stress-supporting,

n See area, basal seat.

area, supporting,

n the areas of the maxillary and mandibular edentulous ridges best suited to carry the forces of mastication when the dentures are in use. See also area, basal seat.

area, work,

n the entire space in which the dental hygienist moves and works while treating a patient. This includes the instrument tray and dental chair, unit, and light.

Arenaviridae

n a grouping of enveloped, helix-shaped RNA viruses implicated in a relatively benign form of meningitis (lymphoctyic choriomeningitis; severe encephalitic forms do occur rarely) that affects young adults.

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posterior (postē´rēr),

adj situated behind.

posterior nasal spine,

n See spine, posterior nasal.

posterior palatal bar,

n See connector, major, posterior palatal.

posterior palatal seal,

n See seal, posterior palatal.

posterior palatal seal area,

n See area, posterior palatal seal.