On Routine Radiographic Examination, an 18-Year-Old Patient Was Found to Have

question 27

Multiple Choice

On routine radiographic examination, an 18-year-old patient was found to have a 2 ´ 3 cm radiolucency in the body of the mandible that extended between the roots of teeth nos. 19, 20, and 21. All his teeth were vital, he had no impactions, and he had no symptoms. Which of the following should be included in the differential diagnosis?

• A)Dentigerous cyst
• B)Traumatic bone cyst
• C)Periapical granuloma
• D)Lymphoepithelial cyst
• E)Stafne's bone cyst

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Definitions:

Cohort Design

A research design that follows a group (cohort) of individuals over time to study changes and outcomes, often used in epidemiology and social sciences.

Broken Line

Describes a line in graphs or diagrams that is interrupted at intervals to signify discontinuity or different conditions.

Successive Cohorts

Groups of subjects sequentially assessed over time, often used in longitudinal studies to observe changes within a population.

Quasi-Experimental Design

A research design that resembles an experimental design but lacks random assignment of subjects to treatment and control groups.