2016 Glossary - 27

epulis n: a nonspecific word for any inflammatory cellular proliferation or a tumorlike growth or lump of
the gingiva.
epulis fissuratum n: overgrowth of intraoral tissue
as the result of chronic irritation; an overgrowth of
intraoral tissue associated with persistent irritation
such as that caused by the overextended flange of
a denture.
equalization of pressure n: the act of evenly distributing a load.
equilibrate v: to bring or to place in balance or equilibrium.
equilibration n: the action or process of creating a
state of balance or equilibrium. See mandibular
equilibration or equilibration, occlusal.
equilibration, occlusal n: (1) the process of bringing
patients' teeth when closed into a state of balance by
selectively grinding premature or excessive opposing tooth contacts; (2) the equalization of occlusal
stress by modifying the chewing surfaces of a tooth
or teeth that results in the formation of proper occlusal contacts or harmonizing cuspal relations. See also
occlusal adjustment.
erosion n: the chemical dissolution or eroding of
enamel and dentin that results in a cavity with a hard,
smooth base. It is unrelated and discrete from caries.
eruption, dental n: the appearance of a tooth into the
oral cavity.
* active eruption: the progression of a tooth moving from its origination position to its functional
position.
* passive eruption: when a tooth becomes exposed because of the secondary apical migration
of the gingiva.
erythroplasia (erythroplakia) n: a red, papular, or macular lesion that is frequently ulcerated and found on
a mucous membrane. It is considered to be precancerous.
eschar n: a scab caused by a burn, by cauterization, or
through application of a corrosive substance.
esthetic n: concerning the study of attractiveness and
the awareness of beauty.

esthetic reshaping n: modification of biological surfaces, such as the teeth or face, to enhance beauty.
esthetics n: (1) the segment of philosophy concerned
with beauty; (2) in dentistry, the discipline related to
the pleasing appearance of a dental restoration as accomplished through its shape, fit, and color. It includes
the subjective and objective aspects fundamental to
the attractiveness of the prosthetic restoration.
estrogen n: a broad term for naturally occurring steroid
hormones composed of an estrane nucleus (eg, estrone, estradiol, estriol). The ovaries, placenta, and testis
secrete these estrane-based hormones that induce
protein anabolic actions and have a positive effect on
nitrogen balance. It controls the growth and maintenance of female auxiliary sex organs and secondary
sex characteristics and is implicated in hormonal-, pubertal-, and menopausal-associated gingivitis.
etchant n: a chemical or compound that can used to
etch a surface.
ethylene oxide n: a bactericidal agent that is a toxic,
flammable, colorless gas or liquid frequently used for
sterilizing or disinfecting medical instruments.
evisceration n: elimination of the viscera or contents
of a cavity; extraction; removed, usually as an unexpected nature.
evulsion n: see avulsion.
exacerbation n: an increase in the severity of the signs
or symptoms of a disease.
excursion n: (1) a movement away from and back to
the mean position or alignment; also, the distance
navigated; (2) in dentistry, the movement transpiring
when the mandible moves from the position of maximum intercuspation.
excursive adj: any movement away from the maximal
intercuspation between the maxillary and mandibular teeth
excursive movement n: movement occurring when
the mandible and its associated teeth move away
from the maximum intercuspation position with the
maxillary teeth
exenteration n: organ removal.
exfoliation n: (1) the sloughing of a previously attached matter or tissue from the body, for example,
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