Toothsi

ApplicationMumbai, IndiaFounded 2018· One of 666 Application companies tracked by AMPulse

India's leading D2C clear aligner brand with largest in-house 3D printing facility

CEO / Founder: Arpi Mehta
Team Size: 201-500
Stage: Active
Total Funding: $104M
Latest Round: Series C
Key Investors: Eight Roads Ventures, Think Investments, Mankekar Family Office, Stride Ventures, 360 ONE Asset, Paramark, IIFL, Ashish Kacholia's investment office, Siddharth Shah (PharmEasy Co-founder & CEO), Mahendra Shah

Technology & Products

Key Products

Clear aligners, at-home teeth straightening kits, SmilePlanner app, Smileneo (acquired Dubai-based clear aligner brand)

Technological Advantage

India's largest in-house 3D printing facility, US FDA 510(k) cleared aligners

Differentiation

Value Proposition

Affordable, high-quality 3D printed clear aligners made in India with orthodontist oversight

How They Differentiate

Indian manufacturing with orthodontist oversight vs imported/clinic-only competitors

Market & Competition

Target Customers

Indian consumers seeking affordable teeth straightening

Industry Verticals

Healthcare, Dental, Consumer Products

Competitors

Invisalign, Flash Orthodontics

Growth & Milestones

Growth Metrics

3,00,000+ smiles designed, 90,000+ smiles transformed, turned EBITDA positive (Feb 2026)

Major Milestones

2018: Founded; Jan 2021: $5M Series A; Aug 2021: $20M Series B; May 2022: $40M Series C; Jan 2023: $9M Debt; Jan 2024: $16M bridge round; May 2025: Raised INR 100 Cr (~$11.76M) bridge round at >50% valuation cut, led by Siddharth Shah (PharmEasy Co-founder & CEO); Aug 2025: Acquired Apple Dental for INR 10.9 Cr; Feb 2026: Announced Zenyum acquisition/merger; Achieved EBITDA positive

Notable Customers

Over 300,000 smiling consumers across India and GCC

https://toothsi.in

Why this company matters

AMPulse analysis, not a company disclosure

Toothsi occupies a distinctive position in the Indian dental market as the only consumer-facing clear aligner brand with ISO and CE certified in-house manufacturing. Founded in 2018, the company addresses a gap between expensive imported aligners like Invisalign and clinic-only alternatives by producing affordable, high-quality aligners domestically using polymer additive manufacturing.

The company operates India's largest in-house 3D printing facility for clear aligners, with US FDA 510(k) clearance and proprietary treatment planning software. Its product suite includes clear aligners, at-home teeth straightening kits, and the SmilePlanner app. Toothsi also expanded regionally by acquiring Smileneo, a Dubai-based clear aligner brand.

Toothsi targets Indian consumers seeking affordable teeth straightening, having served over 140,000 smile makeovers through a network of orthodontists across India. The company competes with Invisalign, SmileDirectClub, and Flash Orthodontics, differentiating through local manufacturing that reduces costs while maintaining clinical oversight.

The company has raised approximately $90 million from investors including Eight Roads Ventures, Think Investments, and Stride Ventures. Despite strong growth, Toothsi has faced runway challenges and recent layoffs of around 30 employees, raising questions about unit economics in the price-sensitive Indian D2C orthodontics segment.