A good cost per lead for orthodontists often falls between $50 and $150, while a good cost per new patient start often falls between $300 and $700. These numbers vary by market, channel, and case fee. The most important metric is cost per start, because it shows what you actually pay to gain a treatment patient.
Here's how orthodontic practices can calculate these numbers, judge performance, and improve marketing ROI.
What Is Cost Per Lead in Orthodontic Marketing?
Cost per lead (CPL) is the amount you spend to generate one inquiry, such as a phone call, form submission, or online booking request.
Cost per lead = Marketing spend ÷ Number of leads
If you spend $3,000 on ads and receive 30 leads, your cost per lead is $100.
CPL is useful, but it can be misleading. A cheap lead that never books a consultation isn't a good lead.
What Is Cost Per Start in Orthodontic Marketing?
Cost per start is the amount you spend to gain one patient who begins orthodontic treatment. It's a form of customer acquisition cost and the clearest measure of marketing efficiency.
Cost per start = Marketing spend ÷ Number of new patient starts
If you spend $3,000 and gain 7 starts, your cost per start is about $429.
Orthodontic Marketing Benchmarks by Channel
These ranges are common for single-location orthodontic practices. Your numbers may be higher in competitive metro markets.
| Channel | Typical Cost Per Lead | Typical Cost Per Start |
|---|---|---|
| Google Ads | $75–$200 | $400–$900 |
| Meta Ads (Facebook and Instagram) | $30–$100 | $350–$800 |
| Local SEO | Lower over time | $150–$400 |
| Dentist referrals | Minimal direct cost | Very low |
| Patient referrals | Minimal direct cost | Very low |
Meta Ads often produce cheaper leads, but those leads usually need more follow-up. Google Ads leads often cost more but convert at higher rates. Compare platforms in our guide to Google Ads vs. Meta Ads for orthodontists.
How to Calculate Orthodontic Marketing ROI
Return on investment shows how much revenue your marketing produces compared with what it costs.
ROI = (Revenue from new starts − Marketing spend) ÷ Marketing spend
Example:
- Monthly marketing spend: $8,000
- New starts from marketing: 20
- Average case fee: $6,000
- Revenue: $120,000
ROI = ($120,000 − $8,000) ÷ $8,000 = 14, or 1,400%
Even a cost per start of $700 is profitable when average case fees range from $5,000 to $7,000.
The Metrics Between Lead and Start
To understand why your cost per start is high or low, track every step:
- Leads: Total calls, forms, and booking requests
- Lead-to-consult rate: Percentage of leads that attend a consultation
- Consult-to-start rate: Percentage of consultations that begin treatment
- Cost per consultation: Spend divided by completed consultations
- Cost per start: Spend divided by new starts
For example, if your cost per lead is $80 but your cost per start is $1,200, the problem is probably follow-up or consultation conversion. Our guide on why orthodontic leads aren't converting explains how to fix it.
How to Track Orthodontic Marketing Costs Accurately
Accurate tracking requires connecting marketing data to your practice management software.
- Call tracking: Assign unique phone numbers to each channel. Call tracking and reporting shows which campaigns drive real consultations.
- Website analytics: Set up key events in Google Analytics for form submissions and online bookings.
- Lead source tracking: Ask every new patient how they found you and record it.
- Monthly reporting: Review cost per lead, cost per consultation, and cost per start together.
How Orthodontists Can Lower Cost Per Start
- Respond faster. Leads contacted quickly convert at much higher rates.
- Improve landing pages. A conversion-focused website turns more visitors into leads.
- Invest in organic visibility. Orthodontic SEO and AI search optimization lower acquisition costs over time.
- Grow reviews. Strong Google reviews increase click-through and trust.
- Strengthen referrals. Dentist and patient referrals have the lowest cost per start of any channel.