Front-Tooth Crown Retreatment and No-Prep Veneers for a Peg Lateral | Natural, Harmonious Esthetic Restoration

This is a case that corrected an esthetic imbalance caused by an old crown on a front tooth and a peg lateral.

From gum discoloration caused by a PFM crown, to inflammation after root canal treatment, and the peg lateral itself,

Dr. Park Jonguk of Dream Dental Clinic restored everything naturally with an all-ceramic crown and no-prep veneers.

The hardest part of esthetic dental treatment is

making an existing crown and new veneers blend together naturally.

This patient had had two front teeth treated with PFM crowns a long time ago.

PFM crowns, which contain metal, cause the gums to darken over time,

and because they block light transmission, the result looks less natural,

so the artificial look grows stronger as the years pass.

An even bigger problem was that inflammation had developed at the root-canal-treated site of one of the two front teeth.

As the gums darkened and a gap opened between the teeth,

the overall impression became unnatural and made the patient look older.

In addition, both lateral incisors (the teeth next to the front teeth) were congenital peg laterals,

so the balance of the whole smile was thrown off.

After the front tooth's root canal treatment was redone,

the patient chose to restore it again with an all-ceramic crown,

and to apply no-prep veneers to the peg laterals.

Photos 1-2 — Before treatment

The front teeth had a gap between them, and the lateral incisors were too small, so the proportions were off.

The old PFM crown had darkened the gums,

and there was no esthetic harmony at all.

Photo 3 — Precision wax-up diagnosis

Initially, the plan was only to remake the crowns on the two front teeth.

But during the diagnosis, the patient said she also wanted to correct the imbalance from the peg laterals,

so the plan was revised midway to add no-prep veneers as well.

Photo 4 — After removing the all-ceramic crown

Once the existing PFM crown was removed, the dark area along the gum margin visibly improved.

Photo

5-7 — Results after treatment

The new all-ceramic crown and the no-prep veneers on both peg laterals were completed.

Perfectly matching the color and translucency of the no-prep veneers and the all-ceramic crown is a very demanding process,

but skilled build-up technique and experience made it possible to create a natural, lifelike result.

The patient's smile became natural and healthy again,

and the previously dark gum color gradually improved, restoring a brighter impression.

Conclusion

Front-tooth treatment isn't simply about fixing the teeth;

it's a process of restoring the balance of the whole smile and overall impression.

In particular, since old metal crowns can cause gum discoloration and inflammation,

replacing them with an all-ceramic crown is essential not only for esthetics but also for oral health.

Also, small teeth like peg laterals can be sufficiently and harmoniously improved with no-prep veneers.

By changing the shape, color, and proportion without reducing the tooth,

creating the most natural result possible is Dream Dental Clinic's philosophy.

Dr. Park Jonguk of Dream Dental Clinic has focused on veneer and esthetic crown practice for 20 years,

and is the author of 『최소 삭제를 위한 라미네이트 임상』 (Laminate Veneer Clinical Practice for Minimal Reduction),

as well as the director of Lamista Academy.

❓Q&A

Q1. Do old PFM crowns always need to be replaced?

→ Over time, esthetic problems such as gum discoloration and an exposed metal line tend to worsen,

so if you want an esthetic improvement, replacement is recommended.

Q2. If no-prep veneers and a crown are done together, don't the colors look different?

→ They can. That's why the technique of matching the color and translucency of the two materials is so important.

At Dream Dental Clinic, we use the same build-up ceramic layering technique

to create a seamless blend with the natural teeth.

Q3. Can a peg lateral be corrected with veneers instead of orthodontics?

→ Yes, it's possible. When the tooth size and proportion are small,

no-prep veneers can adjust the shape to create harmony.

Q4. Is it possible to get veneers even after root canal treatment?

→ Yes, it's possible. However, treatment should proceed only after diagnosing whether there's inflammation and whether the tooth color is stable.