Understand The Concept Of Multi Unit Abutment

The dental industry has seen massive growth and development. And the dentistry area is usually focused on aesthetics and surgical process. It helps patients to achieve the best smile with a perfect jaw shape.

In regards, the multi unit abutment treatment is one of the most common and authentic treatments. It is best used for treating height disparities, misalignments, and improving the appearance of teeth.

Well, in this write-up, we will discuss the multi unit abutments, their types, sizes, advantages, use, and need. In short, you are going to have a deep understanding of MUAs after reading this blog. Read on!

What Are Multi Unit Abutments?

A successful implant restoration depends on the different types of multi unit abutments. It is also known as a special type of dental implant abutment. It is used if one has to connect various teeth implants as one to build a bridge impression. The multi abutments are usually used for an all-on-4, full arch replacement, all on “X” with or without zygomatic implants.

A dentist needs to be very attentive when performing multi abutment treatment. Actually, the screws are very tiny, so you have to take care of that too.

3 Main MUA Types

Now, you will be reading a short description of three main types of multi-unit abutments.

  • Angled 9˚, Angled 17˚, and Angled 30˚ Multi Abutments
  • Straight Multi Abutments – Hex

The dentist can choose the right type of abutment as per the requirements of a patient. It could be a straight or angled multi unit abutment. They will see a wide range of alternatives in prosthetic rehabilitation.

1. Angled 9˚, Angled 17˚, and Angled 30˚ Multi Abutments

When a dentist needs angulation correction, they require angulated or angled multi abutment. In this treatment, the implant body gets placed at a divergent angle which ranges from 75° up to 100°.

Usually, an angled multi abutment comprises the top 3 options.

  • The number one is 9° degrees angulated, with an implant of 55° divergence.
  • The number two is 17° and 18° degrees angulated; it has an implant having a 75°divergence.
  • The third and the last choice is 30° degrees angulated which has an implant of 100° divergence.

2. Straight multi unit abutments

The straight abutment is a screw-retained prosthetic solution used by dentists. They place an implant at a less divergence degree which ranges 40° or more than it.

Different Sizes Of MUAs

You will see a wide range of multi abutments that are used in dentistry. There are many angulations or sizes available. Well, the size depends on the dental implant type used by a dentist.

Well, the most common multi abutment angulations are 45°, 0°, 17°, and 30°. If a dentist wants special sizes such as; 60° or 52.5°, it would be available in other multi abutments. The angulations provide high flexibility when placing dental implants.

Recommendation Of MUAs By Dentists

The multi abutment is needed in some of the major all-on-four implant surgery. As a dentist, you can recommend the correct type of multi-unit abutment for placing in the jaw. So, patients having misalignments in teeth require different abutments. And when a dentist fixes abutment with different angles, it supports leveling up the restoration approach.

The major reason why a dentist chooses multi unit abutments is due to the height disparities. In this situation, when there are altitude differences over the tissue, lower implants get placed. However, more elevated abutments should be placed in-depth in the bones. So, it supports making all the abutments at the same altitude.

Also, this method negates the restoration of teeth and provides a more glossy look. It keeps speaking and feasting functions seamless and ensures the restoration stays longer.

What Are The Needs Of Multi Unit Abutments?

In many implants and surgeries, dentists use multi unit abutments. Below we have mentioned three major uses of MUAs in dental procedures.

1. For an amazing teeth impression

Multi abutments are commonly used by dentists for providing the most lustrous glance to the final outcome. Also, it supports teeth repair balancing. Thereafter it constructs proper speaking and chewing procedures and confirms that restoration endures more years.

2. Misalignments

Usually, the dentists suggest multi unit abutment for patients having a slight misalignment in their teeth. Also, if a dental person positions diverse multi abutments at various angles, it enables to balance and restore the patient’s teeth.

3. Height discrepancy

If a patient is facing height disparities issues, then a dentist chooses the multi abutment placement. When a dental person sees height dissimilarities in teeth, then they place a lower implant to a higher implant beyond the tissue. Also, the taller multi abutments are positioned in-depth the bones. Furthermore, it allows making the level of all the abutments at the same height.

The Advantages Of Multi Unit Abutment

As a dentist, it’s your responsibility to share the advantages of MUA with your patient. Aware them prior about its placement and advantages in future. Also, allow patients to clear their doubts about a multi abutment and their usage or placement.

Well, below we have mentioned some perks of multi abutment procedure. Take a glance!

  • While performing an implant procedure, dentists don’t have to use a sinus lift. So it saves extra cost and time.
  • For a dental prosthetic procedure, MUAs angulation offers strong support.
  • It provides a proper alignment to all teeth in the jaw.


Undoubtedly, multi unit abutment shows amazing outcomes in an implant or dental surgery. You just need to recommend the right abutment as per the requirement of particular patients. Moreover, as a dentist you should always use high-quality and expert-designed implant abutment drills and surgical instruments for the procedure.

A MUAs work as a support system for the patient’s misaligned teeth. Above, you have read about the types of angulation in multi abutments. So, keep those in mind when choosing one for a patient.

Do you have any doubts regarding multi unit abutments? If yes, you are free to ask us. We would be happy to provide you with the best solutions.

We hope you have liked this article. Thank you for reading!




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