01/09/2026
From Replacing Teeth to Regenerating Them:
A New Era in Dentistry?
For decades, modern dentistry has focused
on restoring or replacing lost teeth through
fillings, crowns, bridges, dentures and
implants.
But what if the future of dentistry is not
replacement but regeneration?
Japan's TRG035, a humanized antibody
targeting USAG-1, represents one of the
most exciting developments in regenerative
dentistry. The approach aims to remove a
biological "brake" on tooth development and
potentially activate dormant tooth-forming
mechanisms. Promising tooth-regeneration
effects were demonstrated in animal studies,
leading to human clinical development.
The first-in-human Phase I study evaluated
TRG035 primarily for safety, tolerability and
pharmacokinetics in healthy adults.In 2026, development has progressed
toward Phase lla clinical trials, with the
longer-term goal of developing a treatment
for congenital tooth agenesis and potentially
transforming how missing teeth are
managed.
Why this matters for dentistry
Regenerative dentistry could eventually
move beyond artificial replacements.
• Understanding molecular pathways
involved in tooth development may open
completely new therapeutic possibilities.
• The concept challenges us to rethink the
traditional boundary between restoration and
regeneration.
However, this is still an investigational
therapy, not yet a routine treatment for people
who have lost teeth.
The most exciting question may no longer
be:
"How can we replace a missing tooth?"
But rather:Mow Can We replace a MISSINY LOVLIT!
But rather:
"Can we help the body grow one?"
The journey from promising laboratory
science to a safe, effective clinical treatment
will require rigorous trials and time; but the
direction is remarkable.
The future of dentistry may not simply be
about repairing what is lost.
It may be about learning how to regenerate it.
Could tooth regeneration become the next
major breakthrough in dentistry? What do
you think?
Dentistry
Regeneration