Lingual
Pronunciation: LING-gwul
Relating to or directed toward the tongue side of a tooth or oral structure.
Full Definition
The term 'lingual' denotes the surface of any tooth—anterior or posterior—that faces the tongue. In the upper arch, the equivalent surface facing the palate is more precisely termed 'palatal', though 'lingual' is widely accepted for both arches in general dental documentation. Editors must preserve this directional distinction carefully in clinical records, radiographic reports, and operative notes, as reversing lingual and buccal alters the clinical meaning of the record entirely.
Usage
Usage note: When editing upper arch descriptions, 'palatal' is technically more precise than 'lingual', though both appear in practice. Query the author if consistency is needed within a single document.
In Context
- "Calculus deposits were heaviest on the lingual surfaces of the lower incisors." — Hygienist treatment record
- "A lingual bar was incorporated into the partial denture design for cross-arch stability." — Prosthodontic laboratory prescription