interradicular space

interradicular space

n.

The space between the roots of multirooted teeth.

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interradicular space

[-radik′yələr]

Etymology: L, inter + radix, root, spatium

the area between the roots of a multirooted tooth, normally occupied by a bony septum and the periodontal membrane.

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space,

n a delimited, three-dimensional region.

space(s), fascial,

n the spaces containing loose connective tissue that lie between the body's layers of fascia. The fascial spaces of the neck and head can be involved in the spread of dental infection.

space, freeway,

n the interocclusal distance or separation between the occlusal surfaces of the teeth when the mandible is in its physiologic rest position.
Interocclusal distance is the preferred term. See also distance, interocclusal; clearance, interocclusal.

space, interalveolar,

n See distance, interarch.

space, interocclusal rest,

n See distance, interocclusal.

space, interproximal,

n the space between adjacent teeth in a dental arch. It is divided into the
embrasure (occlusal to the contact point) and the
septal space (gingival to the contact point).

space, interradicular,

n the area between the roots of a multirooted tooth; it is normally occupied by bony septum and the periodontal membrane.

space, lattice,

n See lattice space.

Space maintainer.

space maintainer,

n a fixed or removable appliance designed to preserve the space created by the premature loss of a tooth.

space maintainer cast,

n a type fabricated by a casting technique and cemented into place.

space maintainer, fixed,

n a type not intended to be removable by the patient.

space maintainer, orthodontic,

n a removable or fixed appliance fabricated to maintain space in the arch for erupting permanent teeth. The appliance may be designed to regain space needed to accommodate the erupting tooth or teeth.

space maintainer, removable,

n a type designed for easy removal for cleaning and adjustment.

space, marrow,

n spaces in the spongiosa of bone; in the mandible and maxilla the marrow spaces are occupied by fatty and hematogenic (blood-forming) marrow. When inflammation progresses into these spaces, the marrow becomes fibrous. The spaces enlarge in atrophy of disuse because of resorption of surrounding trabeculae, and the marrow remains fatty in nature.

space, masticator

n the area that contains the masticator muscles that attach to the ramus of the mandible. It is bounded by the superficial layer of deep cervical fascia.

space, mesiodistal

n the space between the mesial and distal surfaces of two teeth.

space obtainer,

n an appliance used to increase the space between two teeth.

space, occupied,

n the space that might be occupied by persons or radiation-sensitive materials and devices during the time that radiographic equipment is in operation or radiation is being emitted.

space, parapharyngeal

n an inverted-cone shaped area that extends from the base of the skull to the hyoid bone and is bordered by the superior constrictor of the pharynx and the medial pterygoid muscle.

space, parotid,

n the area that contains the facial nerve, the parotid lymph nodes, and the posterior facial vein. It is bounded by the superficial layer of the deep cervical fascia.

space, physiologic dead,

n the air passages up to but not including the alveoli of the lungs; equal to about 150 ml.

space regainer,

n a fixed or removable appliance capable of moving a displaced permanent tooth into its proper position in the dental arch.

space relief,

n fabrication of a prosthesis so that certain predetermined, non stress-bearing areas will not be contacted by the appliance.

space, retropharyngeal

n the area behind the pharynx that contains the retropharyngeal lymph nodes. It is bounded by the prevertebral fascia and the buccopharyngeal fascia.

space, sublingual,

n the superior part of the submandibular space, separated from the inferior part (the submaxillary space) by the mylohyoid muscle. It contains the sublingual gland and the tissue surrounding the tongue.

space, submandibular,

n the area in the neck under the tongue that extends to the hyoid bone. It is bounded laterally and anteriorly by the mandible and is divided into two spaces: the sublingual and submaxillary.

space, submental,

n the middle section of the submaxillary space. It contains the submental lymph nodes.