All On 4

All On 4

What is All Teeth On Four Implants?

The term All On 4 refers to “all” teeth in one jaw being supported “on four” dental implants. This is a surgical and prosthodontic procedure for total rehabilitation of the edentulous patients or for patients with badly broken-down teeth, decayed teeth or compromised teeth due to gum disease.

It consists of the rehabilitation of either edentulous or dentate maxilla and/or mandible with fixed prosthesis by placing minimum of four implants in the area of jaw where bone density is higher.                   

The four implants support a fixed prosthesis with 12 to 14 teeth and can be placed immediately, typically within 24-48 hours of surgery.  However, immediate loading requires criteria which may not be possible in every patient. The dentist will make the final decision for immediately loading the implants after placing the implants.

The technique of All on four implants evolved when in an attempt to avoid certain anatomical limitations typically seen in the back of the upper and lower jaws have, clinicians successfully avoided bone-deficient areas with the use of angulated implants.

Dental implants are traditionally placed in the vertical position, but anatomical limitations are more prevalent in patients with full dentures, and once the back implants are placed at an angle there is often only enough room left for two more implants in the front.

This has led to the use of only four fixtures to support a full set of teeth which can reduce the cost to the patient.

Although, All on 4 treatment can help many edentulous patients but is not the only option for many patients with existing remaining teeth. A thorough assessment of the clinical and radiographic information will be performed prior to recommending a treatment plan.

Bridge Options:

The fixed bridge which fits over the implants comes in few different forms.
The 
prosthetic options provide different strength and long-term durability.

1.    Basic Acrylic Bridge

This is a basic acrylic bridge which usually fits on the implants within 24-48 hours after placing the implants. If the implants couldn’t be loaded, a provisional denture may be made.  However, it might need relining to fit better with the underlying tissues after the healing phase.

2.    Titanium Reinforced Hybrid Bridge.

This prosthesis is a very precise and strong fixed bridge which provides high aesthetics and hygienic outcomes.

3.    Titanium Reinforced Zirconia Bridge

These bridges are designed for high strength, aesthetics and hygiene. The strength and durability of this type of bridge is very high. However, they are more expensive and also more difficult to repair.

There are more options for only restoring the teeth where the gum tissues need no or minimum need for replacing. These can be in form of full arch or separate segmental bridges.

Our dentists will discuss all different options which may suit your needs.  Call us to make a free consultation booking with our friendly staff.

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