Google catches patients who already decided to find a dentist. Facebook and Instagram interrupt people who were not thinking about their teeth. That is not a weakness — it is how you sell Invisalign, whitening and implants to people who would never search for them — but it means the offer does all the work.
Lead with a specific, dated offer
"Free consultation" is invisible. "Free Invisalign scan and treatment plan, 12 slots this month" is a reason to stop scrolling. Dental Meta Ads need a concrete offer, a deadline and a price anchor.
Cosmetic treatments work far better than hygiene here. Nobody books a checkup from an Instagram ad, but plenty of people book a whitening consultation.
Creative that looks like a practice, not a stock library
Before-and-after images (where regulations permit), short videos of the dentist explaining the treatment, and real patient testimonials outperform polished stock photography consistently. People are choosing a person to put hands in their mouth.
Instant forms versus landing pages
Meta instant forms produce cheap leads and a lot of accidental submissions. Landing pages produce fewer, better leads. For dental, I usually run instant forms with two qualifying questions added — that filter alone cuts junk leads by half without killing volume.
Speed to lead decides the outcome
A Meta dental lead contacted within five minutes books at several times the rate of one contacted the next day. If nobody can call within the hour, use automated SMS to hold the lead until someone can.
This is the difference between "Facebook leads are rubbish" and "Facebook is our cheapest patient source" in practices running identical campaigns.
Track it properly
Browser-only pixel tracking under-reports dental leads badly. Adding Meta Conversions API setup recovers the events iOS and ad blockers drop, which improves both reporting and Meta's ability to find similar patients.