Use Testlet E to Answer the Following Questions

Use Testlet E to answer The Following questions
TESTLET E
A high dental caries rate has been reported by the school nurses in Kern County Head Start children on the basis of the rate of toothaches and absences. The families are primarily Spanish-speaking Hispanic and East Indian migrant farm workers. They reside in predominantly rural settings with individual well water supplies. A team of dental hygiene students from the local college has been asked to design a comprehensive program to address the problem of dental caries in this population. They begin by collecting baseline data using the deft, OHI-S, and GI.
-On the basis of the baseline OHI-S scores, the dental hygiene students present oral hygiene education programs to the Head Start children, staff, and parents. Which index would be appropriate to evaluate the improvement in the children's oral hygiene as a result of these programs?

A) OHI-S
B) PHP
C) PlI
D) Any of the above would be appropriate