Orthodontic Forces Applied to a Tooth Must Be Light and Maintained

question 15

Multiple Choice

Orthodontic forces applied to a tooth must be light and maintained in order to do which of the following?

• A) Hyalinize the bone on the pressure side of the tooth,enabling optimal tooth movement.
• B) Produce undermining resorption on the pressure side of the tooth,enabling optimal tooth movement.
• C) Produce frontal resorption on the pressure side of the tooth,enabling optimal tooth movement.
• D) None of the above;orthodontic forces applied to a tooth must be heavy and maintained to produce optimal tooth movement.

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Definitions:

Rank Sums

A non-parametric statistical measure used to compare the distributions of two independent samples by ranking all observations together and then summing ranks for observations belonging to each sample.

Standardized Test Statistic

A calculated value used to determine the relative distance of a data point or sample from the mean of a population, expressed in terms of the standard deviation of the population.

Positive Differences

The result obtained when subtracting a smaller number from a larger number in each pair of a data set.

Negative Differences

Refers to the results obtained when subtracting a number from another number that is smaller, resulting in a negative value.