Task 5. Translate the given sentences into Russian, close your book and translate them back into English.
1. The only places where medicine or surgery was practiced were monasteries.
2. The local barbers helped monks in their surgical ministrations.
3. By the end of the 18th century, dentistry had begun to emerge as an independent discipline.
4. He acquired a patent for this invention, continually making improvements to it.
5. They practiced simple dentistry, including extractions and cleaning of teeth.
6. It seemed that the use of mini- implants was limited to temporary situations as a stabilizer and support for prosthesis.
7. Chercheve proposed several theories on the relationship of the metallic endosteal implant to its osseous environment.
8. Some dentists decided to test their limits by manufacturing implants with the same material.
9. In 1870 he made his first major contribution to restorative dentistry with the invention of power-driven dental tools.
10. Each of these books is prefaced with words of admiration from other respected leaders in the field.
Task 6. Retell the text.
Theme 12
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