Disinfectant

It is a chemical substance, which causes disinfection. It is used on nonvital objects to kill surface vegetative pathogenic organisms,

Disinfection

It is the process of using an agent that destroys germs or other harmful microbes or inactivates them

Elbow

Elbow is the narrowest portion of the zipped canal. A zipped canal is apical to elbow and usually obturation ends

Enamel Fractures

A complete fracture of the enamel.

Enamel Infraction

An incomplete fracture (crack) of the enamel without loss of tooth structure.

Enamel–Dentin Fracture with Pulpal Exposure

A fracture involving the enamel and dentin with loss of tooth structure and exposure of pulp.

Enamel–Dentin Fracture Without Pulpal Exposure

A fracture confined to enamel and dentin with loss of tooth structure, but not exposing the pulp.

endodontic emergencies

Endodontic emergencies are usually associated with pain and/or swelling and require immediate diagnosis and treatment. These emergencies are caused

endodontic emergency

Endodontic emergency is defined as pain and/or swelling caused by inflammation or infection of the pulp and/or periradicular

External Root Resorption

External resorption is a lytic process occurring in the cementum or cementum and dentin of the roots of teeth.

Extrusive Luxation

It is defined as the partial displacement of the tooth from its alveolar socket.

Exudate

Edema of inflamed tissue with increased vascular permeability

Ferrule Effect

Ferrule is defined as band of metal which encircles the external surface of residual tooth. It is formed by walls

Focal Infection

It is localized or general infection caused by the dissemination of microorganisms or toxic products from a focus of infection.

Focus of Infection

This refers to a circumscribed area of tissue, which is infected with exogenous pathogenic microorganisms and is usually located near