What does per arch mean in dentures?

In addition to jawbone, the natural teeth also need to be supported by muscles and ligaments. While the arch connects the top of the jawbone with the bottom of the mouth, the per arch is the area where the tongue rests.

If you have a peri-arch gap, your dentures might not be comfortable. This might also prevent you from eating and drinking normally.

Peri-arch gap

Peri-arch gap is the space between your lower jaw and upper teeth when you chew. It’s called a peri-arch gap because it’s between the lower jawbone and the part of your lower teeth you can’t see.

During the chewing process, your tongue pushes against the gap to keep you from biting into your cheeks and lips.

Peri-arch gap can be caused by:

  • An overbite
  • A crossbite
  • A cleft palate
  • A missing tooth
  • An impacted tooth
  • A mouth injury

Peri-arch gap can also appear naturally between your lower jaw and upper teeth, especially when a lower front tooth is missing or there’s a large gap between your upper teeth.

Dentures or bridges

If you have an overbite, crossbite, or cleft palate, your dentures or bridges might not fit properly. In these cases, your dentures or bridges might cause or worsen the peri-arch gap.

If your dentures or bridges don’t fit properly, they may cause:

  • Pain around your mouth and gum line
  • Lumps or bumps on your tongue
  • Difficulty eating and drinking
  • Loose teeth
  • An unpleasant taste in your mouth

Signs that your dentures or bridges are not fitting correctly include:

  • Your dentures or bridges aren’t sitting properly on your gums.
  • Your dentures or bridges feel loose.
  • You can’t put your dentures or bridges in your mouth.
  • Your dentures or bridges feel heavy.
  • You can’t close your mouth.
  • You have pain when you open and close your mouth.

What causes peri-arch gap?

If you have a peri-arch gap, your dentures or bridges might not fit properly. This might also cause you to be unable to eat and drink normally.

Sometimes, peri-arch gap can be caused by:

  • An overbitew
  • A cleft lip

If you have an overbite or cleft lip, the bite on your lower mouth might be different from the bite on your upper mouth.

If this happens, your dentures or bridges might not sit correctly on your gums. This can cause an uncomfortable sensation or pain when you chew.

In addition to an overbite or cleft lip, other causes of peri-arch gap include:

  • Missing teeth
  • A large gap between upper and lower teeth
  • A missing tooth in your upper jaw

When to see a dentist?

Peri-arch gap can happen when your dentures or bridges don’t fit correctly. If you have this problem, it’s important to speak to your dentist about it.

Your dentist can help you adjust your dentures so they fit properly. In some cases, you might need a different type of denture or bridge.

Dentures or bridges that don’t fit properly might also:

  • Cause pain around your mouth and gum line
  • Cause lumps or bumps on your tongue
  • Be difficult to chew or swallow
  • Have a bad taste in your mouth

If you are experiencing any of these symptoms, you should speak to your dentist. You should also contact your dentist if you notice:

  • Your dentures are making your mouth sore
  • You have trouble opening and closing your mouth
  • You have difficulty putting your dentures in or taking them out
  • Your dentures have been damaged or broken

How can I get relief from peri-arch gap?

If your peri-arch gap is caused by an overbite, crossbite, or cleft lip, it’s possible that you can correct the problem.

At your dentist’s office, you might need to adjust the position of your dentures or bridge so they fit correctly.

If you need to adjust your dentures, your dentist might also suggest a different type of denture or bridge.

In some cases, your dentist will need to remove your existing teeth and make a new set of teeth. This is called a dental implant.

Sometimes, your dentist might need to fix a missing tooth. This might require a dental bridge.

In some cases, you might need to have your teeth pulled. This is called a tooth extraction.

In many cases, your dentist might need to make adjustments to your dentures or bridges. You might need to make these changes at least once.

Your dentist can also improve your bite if your peri-arch gap is caused by an overbite or cleft lip.

How can I prevent peri-arch gap?

If you’re at risk for peri-arch gap, there are some things you can do to prevent it.

Some of these things might include:

  • Changing your diet.
  • Changing your chewing habits.
  • Addressing any problems with your teeth.
  • Correcting any problems with your bite.
  • Changing the position of your teeth.
  • Having your teeth pulled.

When you speak to your dentist, be sure to mention how you’ve been treating the problems that might be causing your peri-arch gap.

What is the outlook for peri-arch gap?

If you are experiencing peri-arch gap, there are some things you can do to help prevent it from happening again.

Talk to your dentist about any changes you’ve made to your teeth or bite. He or she can help you determine if you need more or different types of dentures or bridges.

Your dentist can also help you adjust your dentures or bridges so they fit properly.

In some cases, your dentist might need to adjust your dentures. He or she can make these changes at least once.

In some cases, you might need to have your teeth pulled.

The bottom line

If you are experiencing peri-arch gap, you might need to speak to your dentist about it.

Your dentist can help you adjust your dentures or bridges so they fit properly and prevent any further problems.

If you are having trouble with your bite, you might also need to speak to your dentist.

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