A dental abscess (also termed a dentoalveolar abscess, tooth abscess or root abscess), is a localized collection of pus associated with a tooth. The most common type of dental abscess is a periapical abscess, and the second most common is a periodontal abscess.In a periapical abscess, usually the origin is a bacterial infection that has accumulated in the soft, often dead, pulp of the tooth. dental abscess (also termed a dentoalveolar abscess, tooth abscess or root abscess), is a localized collection of pus associated with a tooth. The most common type of dental abscess is a periapical abscess, and the second most common is a periodontal abscess.
The Duet (1628), by Hendrick ter Brugghen. A duet is a musical composition for two performers in which the performers have equal importance to the piece. It is often used to describe a composition involving two singers. It differs from a harmony, as the performers take turns performing a solo section rather than performing simultaneously.
couplet - a stanza consisting of two successive lines of verse; usually rhymed. line of poetry, line of verse - a single line of words in a poem. closed couplet - a rhymed couplet that forms a complete syntactic unit. heroic couplet - a couplet consisting of two rhymed lines of iambic pentameter and written in an elevated style. stanza - a fixed number of lines of verse forming a unit of a poem.