Orthodontics moves teeth to healthier positions, but along the way brackets and aligners create plaque traps that can damage the very teeth being straightened. The good news: orthodontic-era cavities are almost entirely preventable with adapted habits. Seoul Top Dental Hospital in Seocho explains the prevention system and what happens if decay appears mid-treatment.
Why risk rises, and where
Brackets create sheltered ledges where plaque matures undisturbed; wires block floss; aligners, worn 22 hours a day, can seal sugary residue against enamel if worn after snacking without brushing. The danger zones are predictable: around bracket bases (white spot territory), along the gumline (gingivitis), and between molars. Hygiene effort goes furthest when it targets these three zones.

The prevention system that works
Three layers work together. Mechanical: angled brushing after every meal, interdental brushes through wire gaps, and a nightly water flosser or threader floss. Chemical: fluoride toothpaste, a fluoride rinse before bed, and in-clinic fluoride varnish at check-ups. Professional: cleanings every 3-4 months during treatment instead of the usual six. Aligner wearers add one iron rule: nothing but water with trays in.

If a cavity appears mid-treatment
Small cavities are routinely treated without derailing orthodontics: wires can be removed and re-placed for access, and aligner patients simply treat between trays. Larger problems may pause tooth movement locally while a tooth is managed. This is why integrated clinics matter. When orthodontist and restorative dentist share one roof and one chart, mid-treatment care takes days rather than months.
Seoul Top Dental Hospital runs orthodontics and general dentistry under one roof, scheduling hygiene checks into every orthodontic visit, including coordinated plans for patients managing treatment from abroad. With the routine above, teeth usually finish treatment healthy as well as straight.