Trivia Flashcards

Which type of connector joins two or more retainers in a fixed partial denture?

Answer: Rigid connector

A rigid connector (solder joint or cast connector) joins retainers in a fixed partial denture, providing a solid, non-movable union between components.

What is the term for the bony projection on the lingual surface of the mandible where the mylohyoid muscle attaches?

Answer: Mylohyoid ridge

The mylohyoid ridge (internal oblique ridge) runs diagonally on the lingual surface of the mandible and serves as the attachment for the mylohyoid muscle.

Which carious lesion classification system is based on location and morphology rather than severity?

Answer: G.V. Black's cavity classification

G.V. Black's cavity classification (Classes I–VI) categorizes cavities by anatomical location and surface involved, forming the basis for cavity preparation design.

The periodontal ligament space visible on radiographs appears as which structure?

Answer: A radiolucent space between root and lamina dura

The PDL space appears as a thin radiolucent line between the root surface (cementum) and the surrounding lamina dura (cortical bone of the socket).

Which medication class is most likely to cause gingival hyperplasia as a side effect?

Answer: Calcium channel blockers

Calcium channel blockers (e.g., nifedipine, amlodipine) are well-documented causes of drug-induced gingival overgrowth, along with phenytoin and cyclosporine.

What is the name of the fibrous joint connecting the roots of a multi-rooted tooth to the alveolar bone?

Answer: Gomphosis

A gomphosis is a peg-in-socket fibrous joint formed by the periodontal ligament connecting the tooth root to the alveolar socket.

Which radiographic technique is best suited for detecting interproximal caries in posterior teeth?

Answer: Bitewing radiograph

Bitewing radiographs provide the ideal projection for detecting early interproximal caries in posterior teeth because they capture both crowns and crestal bone without superimposition.