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Home Q & A Board Biology-Related Homework Help Medicine Medical Administration
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Acostak1 Acostak1
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6 years ago
The first dental engine with functioning handpiece, motor, and foot treadle was invented by Horace Hayden.
 a. True
  b. False
 Indicate whether the statement is true or false
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somedaysundaysomedaysunday
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6 years ago
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Acostak1 Author
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6 years ago
Good timing, thanks!
brina10
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Yesterday
This helped my grade so much Perfect
linlinlin
wrote...

2 hours ago
Smart ... Thanks!
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