Chen – New Trends in Dental Caries Management and Restoration including Non-Invasive Treatment-Chen New Trends in Dental Caries Management and Restoration including Non-Invasive Treatment

Video Transcription

Video Summary

The speaker presents an update on “new trends in dental caries management,” focusing on diagnosing and treating white spot lesions and early caries with minimally invasive options. She emphasizes that caries is more than a visible “hole”; surrounding white lesions represent subsurface demineralization beneath an intact surface. White appearance is explained by changes in light refraction due to enamel porosity (air/water in pores vs healthy enamel).<br /><br />She reviews differential diagnosis of white lesions: caries-related demineralization (typically developing over 12–18 months and driven by pH < 5.5), dental fluorosis (excess fluoride during enamel formation; risk rises notably above 2 ppm), hypoplasia (quantitative enamel نقص often linked to trauma or infection in primary teeth), hypomineralization including MIH (molar-incisor hypomineralization; sensitive, hard to anesthetize), and hypomaturation.<br /><br />Management begins with diet control, then preventive/remineralizing approaches: high-dose fluoride (5,000 ppm toothpaste for ≥12 years; varnish), CPP-ACP products (MI Paste/Recaldent; requires sufficient acid challenge and time; avoid in milk allergy), and xylitol to reduce Streptococcus mutans and increase saliva. She discusses resin infiltration (Icon): HCl etch, ethanol drying, then low-viscosity resin infiltrated by capillary action to arrest lesions and improve esthetics; research suggests good color stability versus bleaching or microabrasion and applicability for proximal lesions.<br /><br />For esthetic defects, she covers microabrasion (removes shallow discolored enamel but increases roughness and potential restaining) and bleaching (effective but generally not recommended in young children due to sensitivity and resorption risk; AAPD suggests mid-teens). Finally, she introduces Activa, a “bioactive” restorative with gap-sealing potential and moisture tolerance, useful in high-caries-risk or imperfect isolation cases, though with lower wear resistance than conventional composites. A brief Q&A addresses fluoride levels in water and age limits for 5,000 ppm toothpaste.

Keywords

dental caries management trends

white spot lesions

early caries diagnosis

subsurface demineralization

differential diagnosis of white lesions

dental fluorosis

molar-incisor hypomineralization (MIH)

high-dose fluoride 5000 ppm toothpaste

CPP-ACP (MI Paste/Recaldent)

resin infiltration (Icon)

microabrasion and bleaching in pediatric dentistry