CO2 laser combined with fluoride vs Fluorides alone (monotherapy): Enamel demineralization (QLF ΔF)
Evidence on a synergistic effect of combining CO2 laser with fluoride versus fluoride alone is mixed: one ex-vivo study found combined treatment superior while another found no synergy (ungraded, 2 ex-vivo studies, no pooled estimate).
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
CO2 laser combined with fluoride vs Fluoride alone Enamel demineralization / mineral loss · Human enamel specimens under cariogenic challenge (in situ / ex vivo) · Ex-vivo/in situ (laboratory) Evidence on a synergistic effect of combining CO2 laser with fluoride versus fluoride alone is mixed: one ex-vivo study found combined treatment superior while another found no synergy (ungraded, 2 ex-vivo studies, no pooled estimate). Clinical and ex-vivo effect of LASERs on prevention of early-enamel caries: systematic review & meta-analyses. (2024) All outcomes | Narrative only (secondary question: laser-fluoride synergy). Takate: combined low-power CO2 laser plus 1.23% APF gave greater inhibition of mineral loss than either alone (APF after laser gave maximum inhibition).… | 2 studies | GRADE not reported |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Clinical and ex-vivo effect of LASERs on prevention of early-enamel caries: systematic review & meta-analyses. 2024 All outcomes | 2023-01-30 | 8 | Critically Low / Critically Low |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.