BS EN ISO 1942:2010 pdf download – Dentistry — Vocabulary (ISO 1942:2009)
1 Scope
This lnternational Standard provides definitions fora number of concepts specific to dentistry in theinterestoffacilitatingdevelopment andcomprehension ofstandards,and to improvecommunication with theFederation Dentairelnternationale，the World Health Organization andother interested organizations.
NOTEAnnex A provides additional information thatcan be helpful to users of this International Standard.
Terms and definitions
For the purposes of this document,the followingterms and definitions apply.
2.1
abutment
any structure that serves to support or retain adental prosthesis
2.2
abutment screw
centre screw (deprecated)
implant component used to attach an abutmentcomponent to an implant body
2.3
agar impression materialagar hydrocolloid
thermally reversible hydrocolloid (deprecated)
hydrocolloid impression materialconsistingprincipallyofanaqueoussolution ofthepolysaccharide agar-agar and capable of reversiblyundergoing the sol-gel thermal transition withoutdeterioration
2.4
air-fired dental ceramic
dental ceramic designed for being fired at ambientatmospheric pressure
2.5
air turbineair rotor
air-driven rotor capable of high speed used as thepropulsive unit of a dental handpiece
2.6
alginate impression materialalginate hydrocolloid
alginate-based impression material (deprecated)non-reversible hydrocolloid impression materialcontaining soluble alginate and additives which,when mixed with water, form a gel on setting by theprecipitation of an insoluble salt
2.7
amalgam alloy
powder or compressed powder pellets of an alloyconsisting mainly of silver，tin and copper which,when mixedwith mercury，producesdentalamalgam
2.8
amalgamatoramalgam mixer
mechanical device for mixing dental amalgam alloywith mercury
2.9
amalgam carrier
dental instrument designed for the collection,transport and deposition of dental amalgam in aplastic state into prepared cavities
2.10
amalgam condenseramalgam plugger
handinstrument used for consolidating dentalamalgam
2.11
analogue GBanalog us
implant laboratory replica
implant component intended for inclusion in aworking model or cast to represent the connectinginterface of a dental implant or component forlaboratory procedures
2.12
anatomical crowncrown
《natural tooth portion of a tooth normally coveredby, and including, the enamel
2.13
anatomic portion
{model or castythat portion of a model or castrepresenting the tissue surfaces or structures
2.14
anatomical articulator
articulator capable of simulating mandibular lateraland protrusive movements
2.15
anchorage
configurationorpreparation suitable for theretention or support of a dental prosthesis ororthodontic appliance
2.16
anterior teeth
mandibular and maxillary centrals, laterals andcanines
2.17
anterior tooth set
set of six artificial anterior teeth,mandibular ormaxillary, matched for shade, shape and size
2.18
apical
pertaining to, or in the direction towards, the root tip(apex)
2.19
application time
period of time measured from the moment a dentalmaterial is at the consistency required for itsapplication,andendingbefore itdevelopsproperties that will prevent it from being placed andfurther manipulated as required to achieve optimalresults
2.20
aqueous impression material
impression ‘material whose setting depends onreaction in an aqueous medium
2.21
articulator
instrument to which maxillary and mandibularmodelslcasts can be attached, in a prescribedrelationship, so as to simulate all or parts of themandibular movements
2.22
artificial crown
single unitdental restoration orprosthesisintended to cover or replace the major part or wholeof the clinical crown
2.23
artificial salivasynthetic saliva
substitute for natural saliva
2.24
art portion
imodel or castythat part of a model/cast,usuallythe base,that can be trimmed arbitrarily withoutaffecting the anatomical part
2.25
attachment
prosthetic attachment
partofa dentalprosthesisthatprovidesanchorage by engagement of a matrix and apatrix component
2.26
augmentation
oral surgery procedure of using bone grafts oralloplastic grafts to increase the osseous volume ofa portion of a mandibular or maxillary alveolar ridgeor other adjacent osseous structures
2.27
base filling material
dental material intended to be used for temporaryfilling or to be covered by a permanent filling
2.28
bleaching
whitening (deprecated)
inatural teeth,removal of intrinsic or acquireddiscolorations from natural teeth through the use ofchemicals, sometimes in combination with theapplication of external energy