1.   The extra-oral treatment requires processing at temperatures closer to the glass transition temperature where segmental mobility allows additional polymerisation.

2.   An alternative treatment might require something as drastic as open heart surgery.

3.   All three treatments require injections.

4.   But providing such treatment requires a chain of support services seldom found in southern Africa.

5.   But the treatment requires extensive prenatal care, which is not available in many parts of the world.

6.   But the drug treatment does not require highly skilled angioplasty teams at the ready, so it may be more widely used than angioplasty ever could be.

7.   Current treatment for AIDS requires patients to take up to two dozen pills daily, often with different requirements for each, like an empty or a full stomach.

8.   Current state-of-the-art treatments for AIDS require patients to take costly and complicated drug combinations for life.

9.   Even in developed countries, the recommended treatment requires medication for many weeks late in pregnancy, then during delivery, and then treating the baby for six weeks.

10.   First-class treatment requires a team of specialists familiar with the disease and capable of a multidisciplinary approach.