retainer

retainer
Any type of clasp, attachment, or device used for the fixation or stabilization of a prosthesis; an appliance used to prevent the shifting of teeth following orthodontic treatment.
- continuous bar r. a metal bar, usually resting on lingual surfaces of teeth, to aid in their stabilization and to act as indirect retainers. SYN: continuous clasp.
- direct r. a clasp or attachment applied to an abutment tooth for the purpose of maintaining a removable appliance in position.
- extracoronal r. a r. that depends upon contact with the outer circumference of the crown of a tooth for its retentive qualities.
- Hawley r. a removable wire and acrylic palatal appliance used to retain or stabilize the teeth in their new position following orthodontic tooth movement; with modifications it can be used to move teeth as an active orthodontic appliance. SYN: Hawley appliance.
- indirect r. a part of a removable partial denture that assists the direct retainers in preventing occlusal displacement of the distal extension bases by functioning through lever action on the opposite side of the fulcrum line.
- intracoronal r. a r. that depends upon components placed within the crown portion of a tooth for its retentive qualities.
- matrix r. a mechanical device designed to hold a matrix around a tooth during restorative procedures, usually by engaging the ends of the matrix band and drawing the band tight.
- space r. SYN: space maintainer.

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re·tain·er ri-'tān-ər n
1) the part of a dental replacement (as a bridge) by which it is made fast to adjacent natural teeth
2) a dental appliance used to hold teeth in their correct position esp. following orthodontic treatment

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1. a component of a partial denture that keeps it in place.
2. an orthodontic appliance that holds the teeth in position at the end of active treatment.
3. a component of a bridge that is fixed to a natural tooth.

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re·tain·er (re-taґnər) 1. a device for retaining or keeping something in position. 2. the part of a denture that unites the abutment tooth with the suspended portion of the bridge, such as an inlay, partial crown, or complete crown. 3. an orthodontic device for maintaining in position the teeth and jaws. 4. any form of clasp, attachment, or other device used for the fixation or stabilization of a prosthetic appliance. 5. the portion of a fixed prosthesis attaching a pontic to the abutment teeth.

Medical dictionary. 2011.

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  • retainer — re·tain·er /ri tā nər/ n [Anglo French retener act of engaging or employing, from retener retenir to engage, retain] 1: the act of a client by which the services of a lawyer are engaged 2: a fee paid to a lawyer for advice or services or for a… …   Law dictionary

  • retainer — re‧tain‧er [rɪˈteɪnə ǁ ər] noun [countable] FINANCE money paid to someone such as a lawyer so that they will continue to work for you in the future: • Directors received £550 for each board meeting and an annual retainer of £10,000. • Mr. Young… …   Financial and business terms

  • retainer — Under the Bankruptcy and insolvency Act it is common for the Trustee in Bankruptcy to ask for a retainer before he accepts an appointment. There is also a special type of retainer called a Third Party Retainer, whereby funds are put up that… …   Glossary of Bankruptcy

  • retainer — retainer1 [ri tān′ər] n. 1. a person or thing that retains 2. a person serving another, esp. someone of rank; servant, attendant, adherent, etc. 3. any of several devices used to retain; specif., a) a groove, frame, etc. within which roller… …   English World dictionary

  • Retainer — Re*tain er, n. 1. One who, or that which, retains. [1913 Webster] 2. One who is retained or kept in service; an attendant; an adherent; a hanger on. [1913 Webster] 3. Hence, a servant, not a domestic, but occasionally attending and wearing his… …   The Collaborative International Dictionary of English

  • retainer — ► NOUN 1) a thing that holds something in place. 2) a fee paid in advance to a barrister to secure their services. 3) Brit. a reduced rent paid to retain accommodation during a period of non occupancy. 4) a servant who has worked for a person or… …   English terms dictionary

  • Retainer — A retainer may refer to: * In feudal times, a retainer may be an individual who serves, is contracted, or is indebted to a lord, king or emperor. These individuals ranged from knights and lords in Europe, to warlords and samurai in Asia. Similar… …   Wikipedia

  • retainer — [[t]rɪte͟ɪnə(r)[/t]] retainers 1) N COUNT A retainer is a fee that you pay to someone in order to make sure that they will be available to do work for you if you need them to. I ll need a five hundred dollar retainer... Liz was being paid a… …   English dictionary

  • retainer — The act of withholding what one has in one s own hands by virtue of some right. In the practice of law, when a client hires an attorney to represent him, the client is said to have retained the attorney. This act of employment is called the… …   Black's law dictionary

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