Dental & Orthodontics Win Report: Negative angle hooks drove 4.9x ROAS
Sagor
Performance Strategist · Orange Line
4.9x
Blended ROAS
$16
CPA
1.46%
Hook CTR
$135k
Spend tested
43%
3-sec view rate
TOF cold prospecting
Funnel stage
Across 117 creatives in the dental & orthodontics account, negative angle angles were the clear winner this cycle. Leading with what NOT to do ('Stop buying collagen until you read this') interrupted the scroll. We rotated 2 hook families against TOF cold prospecting and logged what actually moved CPA.
The setup
This account sits in Dental & Orthodontics. Going in, the brand was over-reliant on one fatigued angle and CPA had crept to $16 on TOF cold prospecting. We structured a 8-cell test isolating the hook variable: same offer, same landing page, same audience — only the first 3 seconds changed. Budget was held flat at $135k so the read was clean.
Hook angle: Negative angle
Leading with what NOT to do ('Stop buying collagen until you read this') interrupted the scroll. Negative framing earned the click; the body had to pivot fast to the positive. In this dental & orthodontics account it returned a 3.0x ROAS at a 2.90% hook CTR. This was our top performer and is now the control we test everything else against.
Hook angle: FOMO / urgency
Genuine scarcity ('Restock sold out in 9 hrs last time') drove BOF urgency. Fabricated urgency hurt trust — only deployed when the constraint was real. In this dental & orthodontics account it returned a 3.7x ROAS at a 3.36% hook CTR. Solid mid-pack — worth keeping in rotation to fight fatigue on the winner.
What actually moved the needle
The winning negative angle concept cut CPA to $16 and pushed blended ROAS to 4.9x. The biggest lever was the first frame: negative angle openers earned a 43% 3-second view rate vs. the account average. Creative format mattered too — raw UGC out-pulled produced spots, and on-screen captions lifted hold rate by double digits.
What flopped
Generic benefit-led and over-produced brand spots underperformed on cold traffic — high impressions, weak CTR, expensive clicks. Anything that buried the hook past 5 seconds never recovered. Discounts-first messaging trained the audience to wait for sales and dented LTV.
Orange Line takeaways
1) For dental & orthodontics, lead with negative angle — it qualifies the buyer in the first frame. 2) Hold the offer and page constant when testing hooks so the read stays clean. 3) Refresh the winner every 15 days before fatigue spikes CPA. 4) Keep fomo / urgency in rotation as fatigue insurance. 5) Raw, captioned, mobile-first creative beats studio polish on cold TOF cold prospecting.