periodontal ligament space


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periodontal ligament space

Abbreviation: PDL space
A radiolucent space that appears on a dental radiograph between the tooth and the adjacent lamina dura. The space is occupied by the periodontal ligament, which lacks the density to be radiopaque.
See also: space
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References in periodicals archive ?
Therefore, it is important to maintain the periodontal ligament space.
The lamina dura was diminished, and even lost completely in some areas with widening of the periodontal ligament space (Fig 2a).
the variation in appearance of periodontal ligament space