Apgujeong · Whitening · Laminate

First,
we do not cut.

The first choice for a beautiful smile

D FIRST — Preserve first, then perfect.

0.0mmNo-prep laminate principle
01Treated by one doctor only
OneAesthetics and function, designed by one
01 — THE MEANING OF FIRST

The name D FIRST holds
three meanings of “first.”

“The first choice for a beautiful smile.”
The principles did not follow the name. The name followed the principles.

I Preserve First

We preserve
the tooth first

We begin by adding, not by removing. Enamel does not grow back, so a no-prep approach is always our first option.

II First to Last

The first to see you
sees it through

The doctor who conducts your first consultation performs the final bonding and every follow-up. The hands never change, so the standard never changes.

III First Impression

We work on
first impressions

When people meet, the first thing that moves is the front teeth revealed in a smile. That is the area we devote ourselves to.

02 — WHY D FIRST

Many clinics
place laminates.
We do it differently.

Equipment and materials have converged. The difference lies in what comes first. These four points are our standard.

First
A no-prep approach is always reviewed first
One
Every step is performed by one doctor
Whole
We treat the visible result and the structure beneath it together
After
The same doctor follows you after bonding
Ceramic laminate shells, D FIRST Dental Clinic
03 — D NO CUT

Enamel, once removed,
never grows back.

D NO CUT is our no-prep ceramic laminate. Only when alignment genuinely requires it do we reduce the tooth, and only within a reversible, minimal range.

No-prep ceramic laminate shells
D NO CUT
0.0
mm — no preparation

A thin ceramic shell is bonded to the surface with no reduction at all. Because the enamel remains intact, the laminate can be removed and the natural tooth restored.

Minimal
0.2
mm or less — minimal preparation

Applied only to crowded or protruded teeth. Reduction stays within the enamel layer, never reaching the dentin or the nerve.

General
0.7
mm or more — conventional preparation

Reduction may extend into the dentin to create space for the restoration. The procedure becomes easier, but the removed tooth structure is gone for good.

These figures are general ranges shown for clarity. Actual reduction varies with each patient’s condition.

WHY WE DON'T CUT

Cutting more makes it easier.
That is why we don’t.

The more the tooth is reduced, the more room there is to build the restoration and to mask the underlying colour. It is the convenient path — for the dentist.

But that convenience is paid for with your tooth. Achieving natural thickness and colour without that space demands a far more precise hand — and it is the only way to keep the tooth intact.

Natural tooth first

You only get one set of permanent teeth.
We keep them, and keep them longer.

MINIMIZE

Minimise
what is removed

Teeth do not regenerate. How little is removed at the first treatment shapes the decades that follow. That is why no-prep is always our first option.

MAXIMIZE

Maximise
how long they last

We do not simply cover the problem in front of us. We consider where today’s choice leaves the tooth ten years from now, and explain the alternatives at every stage.

D FIRST Dental Clinic , Director
04 — THE DOCTOR

Ku Ji Eun , Director

“I have the same laminates on my own front teeth.
I do not recommend to patients
what I would not use on myself.””

A no-prep laminate is harder to make. Natural thickness and colour must be achieved without the space that reduction would provide. I hold to this method because I do not want to ask a patient to make a choice that cannot be undone.

The same reasoning extends to implants and the jaw joint. Refining the shape of the front teeth means little if the bite loads unevenly or the joint is unstable — the result will not last. Protecting what is visible means treating what lies beneath it.

It is also why the number of patients seen each day is limited. Tailoring treatment to one person requires enough time to see that person properly.

KU JI EUNKu Ji Eun, Director · D FIRST Dental Clinic

Education & Training

  • Board-certified specialist in Integrated Dentistry
  • B.S. and M.S., KAIST — graduated with honours
  • D.D.S., Chonnam National University School of Dentistry — valedictorian
  • Advanced Dentistry Program, Seoul National University
  • Advanced Peri-Implantitis Course, Seoul National University
  • Resident, Asan Medical Center Dental Hospital, Seoul

Membership

  • Member, American Academy of Cosmetic Dentistry (AACD)
  • Member, American Academy of Implant Dentistry (AAID)
  • Member, Korean Academy of Esthetic Dentistry
  • Member, Korean Academy of Prosthodontics
05 — FIRST TO LAST

The doctor of your first visit
stays to the last.

The same name appears on every one of the six stages. That is what single-doctor care means.

Private treatment roomConsultation and treatment take place in a room where you will not encounter other patients.
Licensed hygienists onlyEvery member of our clinical staff is a nationally licensed dental hygienist.
01

ContactConsultation, Director

Not a treatment coordinator — the doctor herself. She listens first to what has been troubling you, then tells you on the spot what is achievable without preparation.

02

DesignDesign, Director

A no-prep design is reviewed first, based on a digital scan. If any reduction is needed, we explain exactly where and how much before proceeding with your consent.

03

ShadeShade, Director

Matched by eye in natural daylight, not by a number on a chart. The doctor personally checks the translucency and saturation of the adjacent teeth.

04

Try-inTry-inDoctor & patient

Before permanent bonding, the finished restorations are placed for you to see. At this stage colour and shape can still be revised as many times as needed.

05

BondingBonding, Director

The stage that demands the most precision. Surface conditioning, excess cement removal and margin finishing are never delegated.

06

AftercareAftercare, Director

Scheduled checks at 1 week, 1 month, 3 months and 6 months review the bond, the gingival response and the bite. The same doctor sees you afterwards, too.

06 — DESIGNED FOR ONE

We never repeat
the same shape.

There is always a fashionable shape for front teeth. Copying it is fast, but it often sits awkwardly on the face it is placed on.

We start from the face, not the tooth. Reading these four elements together, we design a shape and a colour that belong to that person alone.

Bespoke design consultation
01

Facial proportion

The length and width that suit the front teeth change with the vertical proportion and breadth of the face.

02

Lip line

The incisal curve is set against how much tooth the smile reveals and the curve of the lip.

03

Gingival display

How much gum shows changes where each tooth begins and how the shapes are balanced.

04

Skin tone

The right white differs with skin and lip colour. The brightest shade is not always the correct one.

07 — SCOPE OF CARE

We don’t stop at the front teeth.
How it looks and how it bites are one.

Aesthetics is not a matter of a few front teeth. Only when the bite distributes evenly and the joint is stable does the shape we build endure.

D FIRST designs the visible result and the structure that supports it together. Judging every procedure by an aesthetic standard — that, we believe, is what an aesthetic clinic means.

01

D NO CUT

D NO CUT — No-prep laminate

A ceramic laminate built on the principle of not cutting. Shape and colour are redesigned while the tooth surface stays intact.

  • No-prep design first; minimal reduction only where required
  • Colour and shape revisable at the try-in stage
  • Spacing, peg laterals, worn incisors
02

D FIRST WHITE

D FIRST WHITE — Teeth whitening

The most conservative option — colour is improved with no reduction at all. It also sets the reference shade before a laminate.

  • Concentration stepped up gradually to limit sensitivity
  • Managed for harmony with the adjacent natural teeth
  • Maintenance guidance after treatment
03

GUIDED IMPLANT

Guided implant

Placement is planned in advance from 3D diagnostic data — not only for function, but for the shape and gingival line where it will be seen.

  • Placement planned from a digital design
  • Gingival line and contour considered in the anterior zone
  • Colour and form harmonised with the natural teeth
04

TMJ CARE

TMJ care

Bruxism, clenching and an unbalanced joint are the most common reasons a carefully built result breaks down. We treat them so the aesthetic result lasts.

  • Bite and joint assessed beforehand
  • Appliance therapy for grinding and clenching
  • Occlusal management after restorative work
Anterior care

Front teeth are treated on their own terms.

Because it is the first thing anyone sees, we prioritise the approaches that place the least burden on the natural tooth.

  • No-prep laminate
  • Incisal enamel recontouring
  • Laser gingival contouring
  • Diastema & black triangle composite
  • Teeth whitening
  • Gum depigmentation
  • Chipped & fractured incisor repair
Aftercare
D FIRST CARE

The day treatment ends
is not the day we part.

Bonding is not the finish line. From the moment it is placed, we review the result at set intervals and make adjustments before they are needed. That is why patients come back even when nothing feels wrong.

1 weekBond & bite
1 monthGingival response
3 monthsStaining & wear
6 monthsFull review
08 — SELECTED CASES

If no one can tell,
it was done well.

Drag the handle left and right to compare.
Left is before treatment, right is after.

After treatment
Before treatment
Before
After
Case 01 — D NO CUT

No-prep laminate

Concern
Spacing between the incisors and uneven form
Approach
Thin ceramic was bonded without reduction, resetting the length-to-width proportion.
After treatment
Before treatment
Before
After
Case 02 — D NO CUT

No-prep laminate

Concern
Discolouration, white spots and irregular alignment
Approach
Without reduction, alignment and the incisal flow were refined to follow the curve of the lip.
After treatment
Before treatment
Before
After
Case 03 — Aesthetic restoration

Upper & lower anterior

Concern
Wear, discolouration and mismatched older restorations
Approach
Incisal heights were reset to balance length, with shade harmonised across the adjacent teeth.
After treatment
Before treatment
Before
After
Case 04 — D NO CUT

Upper & lower no-prep laminate

Concern
Shortened incisors and open spacing
Approach
Length and width proportions were redesigned and the spacing closed.
After treatment
Before treatment
Before
After
Case 05 — MINIMAL PREP

Minimal-prep laminate

Concern
Crowding, rotation and an uneven incisal edge
Approach
After minimal reduction within a reversible range, alignment and incisal flow were redesigned and the shade harmonised.
After treatment
Before treatment
Before
After
Case 06 — D NO CUT

Upper anterior no-prep laminate

Concern
Spacing and left-right asymmetry
Approach
Proportions were redesigned to close the spaces naturally and restore symmetry.
← Drag to compare →

More cases can be seen
in person at the clinic.

Every mouth is different, and the photographs we are able to publish cannot convey how each decision is actually made. At your consultation the doctor will show you comparable cases and explain what is possible in your situation.

All images are published with patient consent. Results vary according to individual condition.

09 — VISIT

Directions and
consultation hours

The number of consultations each day is limited, so we ask that you book in advance. Please feel free to call us.

consultation hours

Consultation Hours
Monday10:00 — 19:00
Tuesday10:00 — 19:00
Wednesday10:00 — 21:00 evening hours
Thursday10:00 — 19:00
Friday10:00 — 19:00
Saturday10:00 — 14:00
Sunday & holidaysClosed

We remain open through lunch.
Please book no later than one hour before closing.

Directions

Directions
Address
3F, 817 Seolleung-ro, Gangnam-gu, SeoulCamports Building, Sinsa-dong · D FIRST Dental Clinic
Subway
Apgujeong Rodeo Stn. (Bundang Line), Exit 5The nearest subway station
Parking
Complimentary valet parkingSUVs accommodated
Tel
02-6203-8777
D
Consultation

Your consultation, with the doctor

Whether a no-prep approach is possible depends on your teeth.
We will look first, then tell you exactly what can be done.

02-6203-8777