Orthodontic Force and Resorption

Resorption can be classified into two types, namely ______ and undermining resorption.

The ideal force for ______ movement is 100g, where 100% of the force is being felt on 1 side.

The ______ effect of force on a tooth is determined by the force and area of PDL over which it is distributed.

In ______ tipping, the root apex does not tip opposite to the same degree as in uncontrolled tipping.

The ideal force for uncontrolled tipping is ______g, where 50% of the force is on one side and 50% on the other.

Finger springs and round light wires are examples of ______ force.

In undermining resorption, there is a loss of ______ and in frontal resorption, there is a loss of ______.

The primary messengers for ______ force are calcitonin and pth.

Force/Area equals ______, which is important in determining the biologic effect.

Sterile-necrosis occurs in undermining ______.

In frontal resorption, there is a loss of ______.

Undermining resorption is often seen in cases of ______ force.

Regional Acceleratory Phenomenon alters the ______ response to ↑ tooth movement

Decay is faster in ______ appliances

PDL undergoes ______, ischemia, and remodeling in rare cases

Root Resorption is associated with ______ teeth and really extreme movement

Center of Resistance is around the center of the ______ in a normal tooth

Couple (Mc) creates ______ rotation

The ______ effect of force on a tooth is determined by the force and area of PDL over which it is distributed

Tooth Movements can be classified into ______ and controlled tipping

Skeletal Anchorage uses ______ to act like ankylosed teeth

Anchorage Demand is maximum when there is no movement of the ______ teeth

Steel ligatures retain less ______ than elastics.

Periodontal conditions should be ______ before ortho Tx.

Adult Treatment is more likely to opt for ______, lingual or invisible braces.

PDL takes ______ months to reorganize soft tissue fibers.

Supracrestal fibers take ______ years to reorganize soft tissue fibers.

Supracrestal fiberotomy is recommended for teeth with severe ______.

Late Mandibular AP and vertical growth can continue in small amounts late into ______ life.

A bonded lingual wire is used on the ______ to prevent relapse.

A Hawley Retainer is used for ______ retention.

Clear Plastic retainers are more ______ if wearing full time.