They produce strong welds, but with a coarse and convex-shaped joint surface.

It is caused by low current, contaminated joint surfaces, or the use of an improper electrode.

But its use decreased, because the parts used to replace the joint surfaces did not hold up well.

The joint surface of the surangular is pierced by a foramen.

The joint surface on top of the metatarsus is sloped forward and downward.

For optimal re-growth of joint surface, the patients need to be very patient and also extremely cooperative.

Despite this fact, the joint surface should be restored as close to its anatomical position as possible.

The articular joint surface must be smooth for it to function properly.

Trauma had to be very severe to break off parts of the joint surface.

If possible, duplicate the shape of surrounding original joint surfaces.