Gangnam Dental Clinic: Resin Restoration Process for a Chipped Front Tooth Considering Tooth Position

When a front tooth chips slightly

your tongue keeps going to that area,

and you can’t help but become self-conscious.

When you look in the mirror or take a photo,

your eyes keep drifting there even while you’re talking.

So patients often come in quickly to have it filled.

Photo date: 250826

But for a front tooth, rather than simply filling it,

the job requires rebuilding the balance of the entire smile.

I always put “precision over haste” first,

and provide treatment that disturbs the tooth as little as possible

while still looking natural.

I’d like to introduce a case related to this.

Please read carefully until the end^^

Looking at the whole face, not just the chip

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Using oral photos and a DSLR camera,

I checked the fractured area.

Photo date: 250826

Although it looked like a simple fracture from the outside,

the issue was the positional relationship of the front tooth,

which was slightly tilted inward.

Gangnam Dental Clinic

Photo date: 250826

In cases like this, if you only build up the chipped area,

the surface can look bulged, or the tooth can look

even more “heavy.”

I always look at the midline, the tooth length-to-width ratio,

the contour line of the front surface, and the curvature of the incisal edge together.

Because these four factors essentially determine the first impression of a smile.

In this case too, “position and form correction”

was more important than simply “repairing the fracture.”

A little “forward,” but not too much

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The key points of the plan were two things.

1. Minimize reduction.

We decided to avoid shaving the tooth as much as possible,

and to lightly refine only the necessary area to improve bonding.

2. Correct the position through shape.

Using resin, I planned to design the front surface of the tooth

just slightly more forward so that it would not protrude from the overall alignment,

while still matching the plane of the adjacent teeth.

On top of that, I added a color and translucency plan:

the inner layer was set a little more calmly, and toward the edge

it was designed to become brighter and more translucent.

The important thing is not “bright,” but

“naturally bright.”

If the shade is adjusted even one step incorrectly,

the artificial feel becomes obvious.

Moisture control, margins, and the flow of light

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The success of front-tooth resin ultimately comes down to the basics.

Moisture and saliva are the enemies of bonding.

If moisture control is done properly, bonding strength and longevity change.

The boundary line where the existing tooth structure and the resin meet

has to be made difficult to distinguish by eye.

I do not cut the margin off in a straight line;

instead, I process it so that it disperses softly from every viewing angle.

Now for the color part.

Natural teeth are not a single color.

The depth of the inner layer, the brightness of the outer layer,

and the translucent layer at the end are all different.

So I build up thin layers one by one

to create a path for light to enter and exit.

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A common reason teeth look too large is not their

“thickness” but the position of the contour line.

If you pull the contour line inward by just 0.1 mm,

it creates the effect of looking one size slimmer.

In this case too, I made a forward correction,

but deliberately slimmed down the line angles to create a result

that looked “more forward, yet thinner.”

Finally, if the surface is finished with an overly glossy shine,

it can look like an artificial tooth.

So I keep the polish from becoming too strong.

That way, light doesn’t flash too sharply;

instead, it flows smoothly along the texture.

While working, I keep asking myself:

“Did I touch it as little as possible?”

“Is the light escaping naturally?”

“Does it still look natural from multiple angles?”

If it passes these three points,

only then do I close the case and move to the final step😊

“Which part was broken?”

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I handed the patient a mirror, and after looking for a while,

they smiled.

“Doctor, I can’t tell which part was broken.”

Photo date: 250908

The key point of this case was not hiding the broken area,

but slightly correcting the awkward plane in the overall smile

and restoring the flow of light to look like a natural tooth.

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So the result feels not like “it looks better,”

but like “it feels like my own tooth.”^^

Front-tooth resin is, in a way,

not just a technique but a matter of attitude.

You can fill it quickly,

but I choose “minimally invasive, even if it takes more time,

and natural even when brought close for a careful look.”

Once a tooth is shaved, it cannot be restored.

I do not look at just one tooth;

I also consider how that tooth will live and move

within the face.

Even if it starts with one chip,

the harmony of the entire smile is the finish line.

Making a broken front tooth look “undetectable”

and “as if it had always been that way.”

That is the kind of work I enjoy.^^

Thank you. This was Director Sohyun Soo.

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👇 Posts worth reading together! 👇

• Depending on the individual, symptoms such as sensitivity, a foreign-body sensation, and bite discomfort may appear temporarily,

and in rare cases additional treatment may be necessary.

Treatment period: 250826 / 250908