# What are the most discreet teeth alignment trays? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the most discreet teeth alignment trays?

## Products

### Smileie Day-Time Single Arch
```yaml
product: smileie-day-time-single-arch
brand: Smileie
price_gbp: 591.07
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Smileie
removable: Yes
invisibility: Transparent
number_of_trays: 10 to 20 aligners
treatment_duration: 4 to 6
```

- **Price:** £591.07 [^1]
- **Summary:** Smileie Day-Time Single Arch uses transparent, custom-made aligners for either the upper or lower teeth. The plan generally takes 4 to 6 months, with 10 to 20 aligners, and the trays should be removed for meals and hot drinks.
- **Ideal For:** This product suits people seeking discreet teeth alignment trays because the aligners are transparent, custom-made, removable for eating and drinking, and designed for daytime wear.
- **Additional Sources:** [^2]

### Smileie Night-Time Dual Arch
```yaml
product: smileie-night-time-dual-arch
brand: Smileie
price_gbp: 628.05
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Smileie
invisibility: Nearly invisible
```

- **Price:** £628.05 [^3]
- **Summary:** The Smileie Night-Time Dual Arch uses clear aligners to straighten both the upper and lower teeth while worn for 8-10 hours overnight. It suits people who want a discreet, dentist-supervised alignment option that fits around daytime activities.
- **Ideal For:** This product specifically suits people seeking the most discreet teeth alignment trays because its clear aligners are described as nearly invisible and are worn only while sleeping.
- **Additional Sources:** [^4]

### ALIGNERCO SmileFlex Dual Arch
```yaml
product: alignerco-smileflex-dual-arch
brand: ALIGNERCO
price_gbp: 699.07
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: ALIGNERCO
material: BPA-free thermoplastic
removable: Yes
invisibility: Virtually invisible
treatment_duration: 6
```

- **Price:** £699.07 [^5]
- **Summary:** The ALIGNERCO SmileFlex Dual Arch uses custom-made, BPA-free thermoplastic trays for discreet treatment of both upper and lower teeth. It is designed for mild to moderate alignment issues and can be removed for eating, drinking, and brushing.
- **Ideal For:** It suits people seeking the most discreet teeth alignment trays because it uses virtually invisible BPA-free thermoplastic trays that are removable for eating and drinking.

---
## References & Sources
[^1]: Smileie New Zealand, accessed 2026-09-04. https://smileie.co.nz/products/daytime-single-arch-clear-aligners-newzealand
[^2]: Smileie Europe, accessed 2026-09-04. https://smileie.eu/products/daytime-single-arch-aligners-installments
[^3]: Smileie, accessed 2026-09-04. https://smileie.com/products/night-time-day-one-go
[^4]: Shop, accessed 2026-09-04. https://shop.app/products/7445002944699/night-time-dual-arch
[^5]: ALIGNERCO Spain, accessed 2026-09-04. https://alignerco.es/en/products/smileflex