A new dental implant crown often feels slightly shorter than nearby teeth because dentists intentionally leave it about 20 to 30 microns below the bite. Natural teeth flex under pressure. Implants do not. If the drop appears suddenly, food traps constantly, or the crown feels mobile, call your dentist. It may signal a loose screw or shifted neighboring teeth.

At Line Dental Aloha, we hear this question most often from Intel and Nike professionals who notice subtle bite differences a few weeks after their implant is placed. The sensation is usually normal. Sometimes it is a sign we need to see you. Here is how to tell the difference.

Is it normal for a dental implant to feel shorter than my other teeth?

Yes, in most cases. Your brain spends the first one to two weeks recalibrating to any new restoration, and a crown that measures perfectly even can still feel off while your tongue maps the new surface. That is the adjustment phase. It fades.

There is also a measurable reason. Implant crowns are often built just below the plane of surrounding teeth on purpose, a design choice called slight infraocclusion. The crown is not broken. It is engineered that way.

So "feels shorter" and "is measurably shorter" are two different things. Both can be normal.

Why would a dentist leave an implant crown slightly lower?

Here is the physiology. According to peer-reviewed literature in the Journal of Prosthetic Dentistry, natural teeth move roughly 25 to 100 microns under bite pressure because of the periodontal ligament, the shock absorber wrapped around every root. Dental implants have no ligament. They fuse directly to bone, so they do not flex at all.

If an implant crown contacts first during a hard bite, it absorbs disproportionate force. That force travels straight into the screw and the surrounding bone. Over time, that can loosen the abutment or stress the implant.

The fix is simple. Academy of Osseointegration clinical guidance supports placing implant crowns in slight infraocclusion, roughly 20 to 30 microns below adjacent teeth, so natural teeth take the first contact and the implant catches up only when you bite firmly. Your tongue notices the gap. Your bone appreciates it.

That is the whole trick.

When "shorter" means something has actually changed

Not every shortness complaint is design. Sometimes something has shifted, and the signs are worth knowing.

• Loose abutment screw. The crown can sink a hair as the screw backs off. Abutment screw loosening is one of the most common mechanical complications of single-tooth implants, with reported rates around 5 to 10% over five years in Cochrane and International Journal of Oral and Maxillofacial Implants data.

• Adjacent teeth drifting or erupting. The American Academy of Periodontology notes that natural teeth continue slow movement throughout adulthood. Your implant stays put. Your other teeth do not. Over several years, the neighbors can look taller because they genuinely are.

• Chipped or fractured porcelain. A small piece of the biting surface can break off and change the height overnight.

• Loss of proximal contact. Studies in the Journal of Prosthodontics report that 30 to 50% of posterior implants lose their contact with neighboring teeth over time. Food packing between the implant and the next tooth is often the first clue.

Signs it is time to call us

Call Line Dental Aloha if any of the following show up. These are not emergencies in most cases, but they do deserve a short visit.

• A sudden drop in crown height, especially paired with any mobility or a clicking sound

• Food consistently trapping between the implant and the tooth beside it

• An uneven bite when chewing on that side

• A visible gap at the gumline that was not there before

• Soreness in the implant area after meals that used to feel fine

A patient in her early forties who commutes down Highway 26 from the Intel Jones Farm campus came in last fall after noticing her lower molar implant felt like it had "sunk" over a weekend of travel. Her abutment screw had loosened. We re-torqued it in one visit. She was back at her desk the same afternoon.

Your implant does not move. Everything else in your mouth does. That difference is often the real reason a crown starts to feel shorter years later.

What we check at an implant bite evaluation

When you come in, the visit is usually short and non-invasive. We walk through a standard sequence.

• Articulating paper and digital scan. Our iTero scanner maps your bite in three dimensions and shows exactly where the implant contacts, or does not contact, in relation to your other teeth.

• Torque test on the abutment screw. If the screw has backed off, we re-tighten to the manufacturer specification. Quick fix.

• X-ray. We confirm the bone level around the implant and the seating of the crown on the abutment.

• Adjustment or replacement. Most cases need only a small adjustment to one of the neighboring teeth or a bite tune-up on the implant crown. A fractured crown gets replaced.

Most of these appointments wrap up in under an hour. For patients driving in from Beaverton, Hillsboro, or the TV Highway corridor, we try to keep bite checks in the morning window so you are back to your day quickly.

Frequently Asked Questions

How long does it take to get used to a new implant crown?

Most patients adjust within one to two weeks. During that window your tongue explores the new surface constantly, which is why it can feel strange even when the crown is seated perfectly. If anything still feels off at the three week mark, call us for a quick bite check. A small adjustment can make a big difference.

Can an implant crown really sink into the gum over time?

The implant itself does not sink. But a loose abutment screw can let the crown drop a fraction of a millimeter, which your tongue will notice immediately. A chipped biting surface creates the same perception. Both are easily diagnosed with a short appointment and either a re-torque or a repair.

Will my dentist adjust the crown if it feels too short?

Sometimes, yes. If testing shows the crown is genuinely out of contact with your opposing teeth, we can add material or replace the crown. More often we find the design is intentional and the fix is reassurance, not drilling. Either way, we start with the iTero scan so the decision is based on data, not guesswork.

Is it dangerous if food keeps getting stuck next to my implant?

It is not an emergency, but it is worth addressing. Chronic food impaction irritates the gum around the implant and can contribute to bone loss over time. We can tighten the contact point, adjust the neighboring tooth, or in some cases replace the crown to restore a snug seal.

Can neighboring teeth grow taller and make my implant look shorter?

Yes. Natural teeth continue to erupt and drift slowly throughout adulthood. Your implant does not move, so after five or ten years the neighbors can genuinely sit higher. This is more common in posterior implants placed in younger adults, and it is one of the most overlooked causes of a crown that "used to feel level."

Still not sure if your implant is behaving normally?

If something has changed with your implant and you want a second set of eyes, we are glad to take a look. Line Dental Aloha serves patients across Aloha, Beaverton, Hillsboro, and Washington County, with easy access from Highway 217 and TV Highway. Call us at (503) 259-8641 or stop by our office at 18425 SW Alexander St to schedule a bite evaluation with Dr. Paul Kyu Choi or Dr. Mijin Choi.