The Gap She Was Told to Live With

Quick answer: A gap between the front teeth can be closed by bonding, veneers or orthodontics — but which one lasts depends entirely on why the gap is there. Close it without finding out, and it either reopens or the teeth end up too wide.

The call

Two of her friends had had theirs done and were pleased. That was the trigger, and it is a common one.

Nechama, 31, from Mishkafayim, had a 3mm space between her upper central incisors. She had been told as a teenager that braces would fix it and that it was not worth the bother, and had left it there for fifteen years.

She wanted it closed in one visit. Whether that was possible depended on findings she did not know existed.

What we found

A 3mm midline diastema. The teeth themselves were sound, well aligned otherwise, with healthy gums and no crowding elsewhere.

Then the causes, which have to be worked through before choosing a treatment.

A low frenal attachment. The band of tissue running from the inside of the upper lip to the gum sat low, inserting between the two central incisors. Pulling the lip outwards blanched the tissue between the teeth, which is the clinical test. A frenum inserting this way physically holds the teeth apart and, more importantly, causes relapse after any closure if it is not dealt with.

Tooth size discrepancy. We measured. Her upper lateral incisors were narrower than average relative to the centrals — a mild version of a common pattern. When the teeth are collectively narrower than the arch they sit in, spacing is the arithmetic result and closing one gap simply moves the space elsewhere.

What it was not. No missing teeth on the x-ray, no extra tooth buried between the roots, no gum disease causing drift, no tongue thrust.

So: two contributing causes, both needing addressing.

The four ways to close it, and the trade-offs:

• Composite bonding. Added to the sides of the two central incisors. One visit, no tooth removed, reversible, least expensive. Composite stains over years and chips; expect maintenance and eventual replacement.
• Veneers. Durable and colour-stable. Requires removing some enamel — irreversible — and treats a spacing problem by making teeth permanently wider.
• Orthodontics. Moves the actual teeth into the right position rather than making them bigger. Longest, and the only option that corrects the underlying arrangement. Requires permanent retention.
• Combined. Orthodontics to redistribute the space, then small composite additions to the narrow laterals.

Closing 3mm on two central incisors alone would have made them 1.5mm wider each, which is visibly too wide for her face. That is the most common error in these cases and it is not reversible if veneers were used.

What we did

A frenectomy first — a small surgical procedure to release the low attachment, done under local anaesthetic in about twenty minutes. Without it, anything else relapses.

Six weeks of healing, during which the gap narrowed slightly on its own.

Composite bonding, distributed. Rather than adding 1.5mm to each central, we added smaller amounts across four teeth — the two centrals and the two narrow laterals — which closed the space, corrected the width discrepancy, and kept every tooth in proportion.

Freehand layered composite, matched in three shades, done in a single three-hour appointment with a wax-up planned beforehand.

A bonded retainer behind the four upper front teeth. This is not optional. A closed diastema without retention reopens, frenectomy or not.

The outcome

Closed, proportionate, and stable at three years. The composite has been polished twice and one small chip repaired.

She understands it is not permanent — composite has a service life, and it will need replacing at some point. It removed nothing from her teeth, which means every option remains open later.

What to do if this happens to you

1. Ask why the gap is there before agreeing to close it. The cause decides the method.
2. Ask for tooth widths to be measured. A width discrepancy changes the plan entirely.
3. Ask about the frenum, particularly if the gap has been there since childhood.
4. Ask how the space will be distributed. All of it on two teeth usually looks wrong.
5. Insist on a retainer. Gaps reopen without one.
6. Consider bonding before veneers. It removes nothing and keeps your options open.

Thinking about closing a gap? Ramat Beit Shemesh Urgent Dental Care works out the cause first. 055-985-8845 · WhatsApp https://wa.me/972559858845 · Harav Kook 28/1, Beit Shemesh

This is a composite clinical story. It reflects a presentation we see regularly in Beit Shemesh and Ramat Beit Shemesh; the name and details are illustrative and are not those of a real patient.