Attributes of apical implant area design

Considerations and Tips for Apical Area Design: The end or apical portion of an implant is often contiguous to allow the implant to remain in the bone before its body is engulfed with the crystalline bone. As a result, the patient does not have to open his mouth too much. This issue is more important in the posterior areas of the patient's mouth. This facilitates the first stage of implant placement in the bone.

2018/04/30

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Considerations and Tips for Apical Area Design:

The end or apical portion of an implant is often contiguous to allow the implant to remain in the bone before its body is engulfed with the crystalline bone. As a result, the patient does not have to open his mouth too much. This issue is more important in the posterior areas of the patient's mouth. This facilitates the first stage of implant placement in the bone.
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Most implanted roots are rounded. This makes it possible for a round drill to form a circular hole that is perfectly suited to the shape of the implant body, but the circular shape in the transverse section of the implant when the abutment screws are tightened by inflating the rotation forces into one tooth against shear forces - No rotational resistance. As a result, the anti-rotation area should be attached to the implant body, and often in the apical area.

The most common form of anti-rotation is the hole or corridor. One of the disadvantages of this apical cavity is when the implant is placed close to the sinus wall or piercing the cortical plane. In this condition, this apical cavity may be filled with mucus and the source of a microbial contamination or filled with fibrous tissue, then bone loss with the implant in the apical region is reduced. This problem will be enhanced if the design of the body of the implant is more lightweight. Note that in implant design, we seek to maximize bone implant contact, so the above points are very important in the long-term implantation durability.

Another part of the anti-rotation in the implant body is the smooth areas or grooves that exist along the body or apical area of the implant body.
The bone grows in the area of these grooves or areas and makes the rotation forces better tolerated.
The end portion of each implant should be flat and not sharp - the sharpness reduces the contact surface and increases the stress on the implant in the area from the bone.