How They Work

A Phocal Fluoride Disk is Inserted into the Interproximal Space between Two Teeth.

  • Phocal disks insert easily between the teeth
  • Phocal disks insert easily between the teeth
  • Once exposed to saliva, the Phocal disk softens and expands. It absorbs water, calcium, and phosphate, while limiting/barring macromolecules that inhibit remineralization.
  • The Phocal disk transforms into a soft gel and begins to release micro doses of targeted fluoride into the tooth's crystal lattices to form caries resistant fluorapatite.
  • After releasing fluoride for approximately 10 minutes, the disk biodegrades without any further intervention.
  • The Phocal disk also creates nanoscopic pH sensitive fluoride reservoirs which remain active for 2-3 months at the enamel interproximal surface.

Suggestions for Maximum Effectiveness

  • Phocal disks dissolve after approximately 10 minutes
  • Phocal disks dissolve after approximately 10 minutes
  • After placement of a Phocal Apf disk, the buccal or lingual portion should be lightly coated with a protective varnish.
  • After 2-6 months the patient should be recalled for placement of a Phocal pHn disk that is coated on the buccal or lingual portion, as well as the occlusal surface, with a protective varnish.
  • If deemed necessary, patients may be recalled at intervals of 6-12 months for repeated treatments.
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