FTC and State AG Enforcement Against Direct-to-Consumer Teeth-Straightening: What the SmileDirectClub Era Taught the Industry

The direct-to-consumer teeth-straightening category - epitomized by SmileDirectClub’s rise and collapse - drew sustained attention from state dental boards, state attorneys general, and class-action litigation over roughly a decade, with federal consumer-protection concern focused on specific practices. The patterns those actions identified apply to the broader clear aligner marketplace, including practice-based and traditional orthodontic marketing. This post analyzes what happened, what it established, and what current practices should learn from it.

Background

SmileDirectClub pioneered a direct-to-consumer teeth- straightening model that combined online/store-based impressioning, remote dentist oversight, mail-order aligners, and limited in-person clinical evaluation. At peak, the company served hundreds of thousands of patients. It drew sustained attention from state dental boards, faced multiple class-action lawsuits, and filed for bankruptcy in 2023.

The enforcement threads

State dental board actions

Multiple state dental boards issued rulings, cease-and- desist letters, or began investigations related to DTC aligner practices. Issues cited:

• Adequacy of clinical evaluation before treatment.
• Supervision representation in marketing.
• Scope-of-practice for dentists providing remote oversight.
• Informed consent adequacy.

Federal consumer-protection concern and CRFA

The American Dental Association filed a formal complaint with the FTC and FDA in 2019 raising concerns about the DTC aligner model, including supervision adequacy and marketing claims. The FTC’s direct enforcement focus in this space was specifically the Consumer Review Fairness Act (CRFA): non-disparagement clauses in consumer agreements that restricted honest reviews. The FTC’s first CRFA enforcement actions in 2019 were against other companies, not SmileDirectClub directly. Consumer-protection issues raised in this category included:

• Non-disparagement clauses preventing consumers from writing honest reviews.
• Marketing claims about results and timelines.
• Complaint-handling practices.

Consumer lawsuits and class actions

Class action litigation alleged various consumer-protection violations. Settlement discussions, regulatory attention, and operational challenges ultimately contributed to the company’s dissolution.

What state board and consumer-protection actions specifically cited

Supervision representation

Marketing implying orthodontic specialist supervision when actual supervision was by general dentists via remote review. The marketing/reality gap was a primary state dental board concern.

Evaluation adequacy

Clinical evaluation based on impressions/scans without in-person examination, x-rays, or comprehensive assessment. Regulators questioned whether this met the standard of care for orthodontic treatment.

Guarantee and outcome claims

Specific outcome promises without individual case evaluation. Marketing that implied treatment suitability for all patients regardless of case complexity.

Non-disparagement clauses

Consumer contracts containing non-disparagement clauses that violated the Consumer Review Fairness Act. This became a specific FTC enforcement focus.

Complaint handling

Practices around handling consumer complaints, including requirements to waive claims or sign agreements to receive refunds or treatment adjustments.

Lessons for the broader industry

Lesson 1: Supervision representation matters

Any aligner or orthodontic practice - DTC, teledental, or traditional - must accurately represent who is supervising treatment and at what level. Implying specialist supervision when actual supervision is general practice creates exposure regardless of business model.

Lesson 2: Clinical evaluation standards apply

State dental boards set clinical evaluation standards. Marketing that minimizes evaluation (“skip the office visit”) conflicts with evaluation requirements and has drawn specific attention.

Lesson 3: Non-disparagement clauses are prohibited

CRFA prohibits clauses that restrict consumer reviews. Any provider using such clauses creates specific federal law violation exposure.

Lesson 4: Review practices are scrutinized

How practices solicit, handle, and respond to consumer reviews has become an enforcement area. Review-gating, solicitation patterns, and complaint handling all fall under the FTC Endorsement Guides and the CRFA.

Lesson 5: Outcome marketing needs individual-case framing

Treatment-timeline promises (“straight teeth in 6 months”) conflict with case-complexity reality. Individual-case framing is both clinically accurate and compliance-safer.

Current implications

For current practices, including those operating in the DTC or teledental aligner space:

• Audit any non-disparagement clauses in consumer agreements.
• Review marketing for supervision-representation accuracy.
• Ensure clinical evaluation practices meet state standards.
• Implement compliant review solicitation practices (no gating, no retaliation).
• Frame outcome marketing around case-specific evaluation rather than universal promises.

Broader lessons for healthcare marketing

The DTC aligner category illustrates principles that apply broadly:

1. Scaling marketing ahead of compliance scaling creates concentrated exposure. Rapid growth amplifies compliance failures; compliance infrastructure needs to scale proportionally.
2. State-level regulators can be decisive.State dental boards acting individually and collectively shaped this category’s trajectory. State-level enforcement is a significant vector.
3. Consumer review practices matter.Non-disparagement clauses, review gating, complaint handling all fall under specific federal and state rules.
4. Clinical-marketing gap is a durable issue.When marketing claims exceed clinical practice, regulators notice.

The DTC aligner era wasn’t about any single practice; it was about the sustained conflict between marketing claims and clinical/regulatory reality. Practices operating in the broader aligner space - or in any healthcare category where that gap opens - should learn from the trajectory.

Frequently asked questions

Can I still operate a teledental aligner practice?

Yes, with compliance infrastructure matching the specific clinical-evaluation, supervision, and marketing standards that apply. Specific state rules vary.

What about non-disparagement clauses in patient forms?

Remove them. CRFA prohibits them; they create specific federal exposure regardless of whether they’re ever enforced.

Does this affect Invisalign and practice-based clear aligner marketing?

Some lessons apply (outcome guarantees, specialty claims, supervision) regardless of business model. Practice-based aligner treatment under traditional orthodontic evaluation doesn’t face the same model-specific issues.

What about patient review solicitation practices?

See our review response guide and the FTC Endorsement Guides 2023 update for the specific framework. Review gating and suppression are specific enforcement areas.

How should I market clear aligner services now?

See our orthodontic and clear aligner marketing compliance post. Candidacy-forward marketing, accurate supervision representation, and honest outcome framing.

Will the DTC aligner category reemerge?

Various companies continue operating in adjacent models. The specific issues cited will continue to be enforcement priorities.