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Objectives
Periodontal ligament distraction (PDLD) can accelerate orthodontic tooth movement (OTM). However, the effect of stretch frequency on osseous formation during PDLD remains unclear. Here, we sought to identify the effect of PDLD frequency on the osteogenic remodelling of the periodontium.
Materials and Methods
(i) In vitro, five human periodontal ligament stem cell (PDLSC) cultures were...