Well there is a person called dr Alfred c. Fones that was the original person that made any scientific evidence to do with dental hygiene. He researched the effectiveness of dental hygiene by providing it in schools and discovered a 34% reduction of dental harm from when they first started to have it.
Answer:
The answer is below
Explanation:
1. Marques de Rubí believed that Spain should carry out a well formidable borderline defense across the fifteen presidios. This would span about 100 miles apart, all the way from the Gulf of California to the edge of Guadalupe River in Texas.
Also, while he urged that San Antonio and Santa Fe be should be maintained, and East Texas should be vacated, he recommended war against the Lipan Apaches.
2. His report impact the Spanish occupation of Texas by making the Spanish government reinforce on San Antonio and later made it the new capital of Texas. They also made new Indian policy that enhances good relations with the tribes in the region