Cosmetic Injectables in Sydney — Why Dentists Do This

“Wait — dentists do Botox?” Yes. Anti-wrinkle injections and dermal fillers are increasingly performed by dental clinicians in Australia, and there’s a clinical reason it actually makes sense. Sam wrote this page after explaining it for the fifth time at a dinner party.

Why dentists, of all people

Dentists spend their entire training and career working in detail with the muscles and nerves of the lower face — the masseter, the orbicularis oris, the depressor anguli oris, the mentalis. They administer local anaesthetic into the same regions hundreds of times a year. The anatomical knowledge needed for safe injectable work is, in many ways, more familiar territory for a dentist than for a GP.

That doesn’t mean every dentist should be doing it. The right ones have completed accredited post-graduate training in cosmetic injectables and treat it as an extension of their dental work — not a side hustle.

What dentists treat with injectables

Functional / dental-related

Bruxism (clenching and grinding): anti-wrinkle injections into the masseter muscle reduce its bulk and force, protecting teeth and crowns from grinding damage. Often more effective long-term than a night guard alone.
TMJ pain and jaw tension: related to the above.
Gummy smile: a small dose into the upper lip elevators reduces excessive gum show when smiling. Read our gummy-smile explainer.
Lip support after dental restoration: dermal filler can restore lip volume and smile-line support after extensive front-tooth work.
Asymmetric smile correction: small adjustments where one side of the lip lifts higher than the other.

Cosmetic

Anti-wrinkle: forehead, glabellar lines (between the brows), crow’s feet.
Dermal filler: lip enhancement, marionette lines, nasolabial folds, mid-face support.

What to ask before booking

What post-graduate injectables training have you completed?
What product brand are you using? (TGA-approved is the floor.)
What’s the dose and where exactly will you inject?
What’s your complications policy and what’s the longest you’ve waited to manage one?
Will I see the same clinician for review?

What to expect to pay in Sydney (2026)

Anti-wrinkle (per area): $180–$350 per area. “Areas” usually means forehead, between brows, crow’s feet — each counted separately.
Masseter for bruxism: $400–$700 per session, repeated every 4–6 months initially.
Dermal filler: $600–$900 per millilitre, typically lasting 9–18 months.
Gummy smile: $200–$400 per session, every 3–4 months initially, often less frequent over time.