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A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
17 words

Prefix denoting absence of, lacking, without; e.g. atoxic (not poisonous), abacterial (without bacteria).

abapical

abapical   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
11 words

Opposite to or directly away from the *apex.

abarticulation

abarticulation  

The displacement or dislocation of a bone from its normal position (e.g. the temporomandibular joint).
abarticulation

abarticulation   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
20 words

The displacement or *dislocation of a bone from its normal position (e.g. the *temporomandibular joint).

Abbé flap

Abbé flap  

[R. Abbé (1851–1928), American surgeon; J. A. Estlander (1831–81), Finnish surgeon] A full thickness flap of tissue taken from the middle portion of usually the lower lip and transferred to the upper ...
Abbé–Estlander operation

Abbé–Estlander operation   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
83 words

[R. Abbé (1851–1928), American surgeon; J. A. Estlander (1831–81), Finnish surgeon] A full thickness flap of tissue taken from the middle portion of usually the lower ...

ABCDE

ABCDE  

A mnemonic for a step-by-step assessment of an athlete who collapses on the field of play. A = Airway and cervical spine (ensure that the airway is clear; suspect a cervical spine injury if the ...
ABCDE approach

ABCDE approach   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
415 words
The method of assessment of critically ill patients and those suffering from cardiorespiratory arrest. A = Airway, B = Breathing, C = Circulation, D = Disability, E = Exposure. It provides ... More
abdomen

abdomen   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
42 words

That part of the body *cavity below the chest and separated from it by the *diaphragm. It contains a number of organs including the stomach, ...

abduction

abduction   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
20 words

Movement away from the *midline; e.g. the lateral rectus *muscle is an abductor of the eye.

aberrant

aberrant  

Deviating from the normal. Usually applied to a blood vessel or nerve that fails to follow its normal course.
aberrant

aberrant   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
21 words

Deviating from the normal. Usually applied to a blood vessel or nerve that fails to follow its normal course.

abfraction

abfraction  

The loss of tooth structure in the cervical region of the crown of a tooth. Some research studies suggest that this is owing to flexural forces applying an excessive biomechanical loading to one or ...
abfraction

abfraction   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
102 words
Illustration(s):
1
The loss of tooth structure in the *cervical region of the *crown of a tooth. Some research studies suggest that this is owing to flexural forces applying an excessive biomechanical ... More
ablation

ablation   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
30 words

The removal or *excision of a piece of tissue, usually by surgery. Surface ablation of the *skin may be carried out by chemicals or ...

abrasion

abrasion  

1. The non-bacterial loss of tooth tissue due to frictional wear by extrinsic agents. Common causes are toothbrushing, particularly with abrasive pastes, pipe smoking, and pencil chewing. The lesions ...
abrasion

abrasion   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
131 words
Illustration(s):
1
1. The non-bacterial loss of tooth tissue due to frictional wear by extrinsic agents. Common causes are *toothbrushing, particularly with abrasive pastes, pipe smoking, and ... More
abrasive

abrasive  

A material used to smooth or roughen a softer material by mechanical wear. It may be delivered in a high pressure stream of air (air abrasion) or by adhesion to strips, discs, wheels, or points. An ...
abrasive

abrasive   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
84 words

A material used to smooth or roughen a softer material by mechanical wear. It may be delivered in a high pressure stream of air (...

abscess

abscess  

A localized accumulation of pus in a cavity caused by tissue breakdown as a result of infection or foreign materials. It is a tissue defence reaction to prevent the spread of infection to other parts ...

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