drlena_dds

drlena_dds Orthodontics, cosmetic and reconstructive dentistry

06/21/2026

medicine’s favorite mic-drop. But here’s what gets missed: the modern RCT didn’t even exist until 1948 — the first one tested streptomycin for tuberculosis. Everything we understood before that came from a completely different kind of science.

Basic research asks a different question than a trial does. Not “does this work,” but “what is this? What’s normal? What’s healthy?” You have to know what you’re looking at before you can treat it.

A randomized trial is the right tool for “does this treatment work.” But “what is a healthy facial dimension?” isn’t a treatment question — there’s nothing to randomize. That takes a long-term population study measuring real people across age, s*x, and ancestry.

So sometimes “where’s the RCT?” is putting the cart before the horse. A trial tells us if stuff works. A population study tells us what stuff is. Different questions, different tools. 🧠

BasicScience Medicine BeyondTheSmile

06/19/2026

I handed a 5-year old a skull. What he said should embarrass half my profession.

06/17/2026

Why I use CBCT on every case 🦷

A regular x-ray is 2D. Your mouth, jaw, and airway are 3D.

Here’s what CBCT shows me:

→ Tooth roots in the bone — so we move teeth safely
→ Your TMJ position and health
→ Skeletal transverse deficiency — it’s the ratio between upper and lower jaw, not just the width
→ Your airway in 3D

3D problem. 3D starting point.

NYC — Link in Bio to book 📩

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05/25/2026

3 Phase 1 mistakes I see all the time 👇

❌ Waiting for adult molars — no research backs this
❌ Upper expander only — most of it relapses
❌ Skipping the baby molars — that’s free anchorage

It’s not just about straight teeth. It’s airway, bite, and face 🌬️

NYC parents, kids 4-9 → DM to book 📩

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palatalexpansion earlyorthodontics pediatricdentist nycdentist airwayorthodontics

05/19/2026

Congenitally missing lateral incisors? The space we need often starts with the palate.
About 2% of people are born without one or both upper laterals. When the plan calls for implants instead of canine substitution, we need real space — proper arch length, proper tooth proportions, and a foundation the implant can live in for decades.
That’s where MARPE comes in.
The miniscrews don’t just expand the palate. They give us skeletal anchorage to drive the molars back and recover arch length — opening true space where the laterals should have been. Wider arch. Broader smile. Room for naturally proportioned teeth. And implants placed in bone wide enough to support them long-term.
Beautiful smiles aren’t built by closing gaps. They’re built by creating the space the face was always meant to have.
BeyondTheSmile

05/12/2026

When is your child ready for braces or Invisalign?
→ Girls: typically 11-12
→ Boys: typically 12-14
But age alone isn’t the answer. Skeletal maturity matters more than the calendar.
Phase 2 locks in everything Phase 1 set up — alignment, bite, and stability for life.
Book a consult to find the right window for your child.

This patient came in with a smile that told a complex story — a missing left lateral incisor, a baby tooth still holding...
05/07/2026

This patient came in with a smile that told a complex story — a missing left lateral incisor, a baby tooth still holding space on the right, chipped centrals, a deep bite, and a Class II relationship. ✨
We started where airway-centered orthodontics always begins: with the foundation. MSE did double duty here — creating the transverse room his arches had been missing, while also distalizing the posterior segments to unlock the Class II and open precise space for the laterals. From there, Invisalign refined the bite into alignment. Our periodontist placed the implant, a beautiful custom crown completed the restoration, and the chipped centrals were repaired in-house to bring everything into harmony.
The result isn’t just straighter teeth — it’s a bite that functions, an airway that breathes, and a confidence that finally matches who he’s always been. 💖
AirwayDentistry SmileDesign NYCDentist SmileJourney TMJ StraightTeeth

04/25/2026

Your child’s phone is reshaping their face.
A 10-pound head tilted 60° forward loads the neck with 60 pounds. Growing bones adapt. The neck flattens. The jaw drops back. The tongue falls. The airway narrows.
This is craniofacial development — and it’s permanent.
Mouth breathing becomes default. The palate stays narrow. The chin recedes. Sleep suffers.
Phones at eye level. Limit screen time. Teach nasal breathing. Get an airway evaluation if you see mouth breathing, snoring, or crowded teeth.
Posture is airway. Airway is development.

04/21/2026

Can we grow the mandible? Can the mandible be expanded? Patients ask me this every week.
“Can you expand my lower jaw the same way you expanded my upper?”
The answer is no.
And the reason is pure anatomy.
The upper jaw has a midline suture.
That suture is the target.
We open it with controlled, sustained force.
In children. In teenagers. In adults.
The lower jaw has no suture.
It’s one solid bone.
There is no structural separation point.
No appliance changes that.
Not Invisalign. Not a functional appliance. Not an expander.
What those appliances can do is tip teeth.
Which looks like expansion.
But isn’t.
There is one window where we can influence the lower jaw —
During childhood, while the face is still growing.
We can guide where it positions. How it develops.
That window closes with skeletal maturity.
After that, true lower jaw changes require orthognathic surgery.
But here’s what I want you to hear:
Not being able to expand the mandible does not mean you’re out of options.
Upper expansion changes the relationship between the jaws.
Airway-centered planning balances both arches.
The goal was never expansion for its own sake.
It was always function. Breathing. Stability.
That’s what we build.

Patients ask me this all the time — and the answer surprises them.The upper jaw has a midline suture.That suture is the ...
04/13/2026

Patients ask me this all the time — and the answer surprises them.
The upper jaw has a midline suture.
That suture is the key to expansion.
We open it in children.
We open it in adolescents.
We even open it in adults — with the right appliance.
The lower jaw has no such suture.
It’s a single solid bone.
There is nothing to split open.
No appliance changes that anatomy.
The one exception?
During childhood, we can guide where the lower jaw grows and how it positions.
That window closes once skeletal growth is complete.
After that — true lower jaw changes require orthognathic surgery.
But here’s what people miss:
Not expanding the lower jaw doesn’t mean accepting a bad result.
A well-designed treatment plan balances both jaws.
Upper expansion. Strategic alignment. Airway-centered planning.
The goal isn’t symmetry for its own sake.
It’s function. Breathing. Long-term stability.
That’s what we build toward. SleepDisorderedBreathing FunctionalOrthodontics NYCDentist AirwayHealth

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