Authors
Najla F Alsayari, Sarah S Al-Angari, Latifa A Alhowaish, Abdulaziz S Alangari, Raman Bedi, Ayman M Sulimany, Maha A Alsarheed
Published in
Journal of functional biomaterials. Volume 17. Issue 7. Jul 09, 2026. Epub Jul 09, 2026.
Abstract
Patients with White spot lesions (WSLs) are seeking minimally invasive remineralizing treatment. While fluoride is the gold standard of non-invasive caries therapy, its remineralizing impact is predominantly superficial. MI Paste One (MIP-1) combines casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) with 1100 ppm fluoride. This in vitro study aimed to assess the effect of MIP-1 compared with other agents.
Enamel slabs were demineralized to create a caries-like lesion and randomized into five groups (n = 10): G1, WSL/artificial saliva (AS) (negative control); G2, deionized water brushing; G3, fluoridated toothpaste brushing; G4, MIP-1 brushing; G5, topical MI Paste application. Color change (ΔE), gloss (GU), microhardness (VHN), roughness (Ra), and surface topography (SEM) were assessed at four time points: baseline, first demineralization, treatment, and second demineralization.
All active agents improved microhardness after treatment. After secondary demineralization, G4 achieved the highest hardness, significantly superior to G3 (p = 0.016). G5 occupied a statistically intermediate position. CPP-ACP-containing agents (G4, G5) achieved color improvement that was significantly superior to controls.
MIP-1 outperformed fluoride toothpaste in resisting secondary demineralization of permanent enamel WSLs. CPP-ACP made a measurable independent contribution to demineralization resistance in permanent enamel. These findings highlight the need for further clinical investigation of MIP-1.
PMID:
42506559
Bibliographic data and abstract were imported from PubMed on 27 Jul 2026.
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