With the increase of age, keratinization of gingiva:

 # With the increase of age, keratinization of gingiva:

A. Increases

B. Decreases

C. Remains same

D. None of the above

The correct answer is B. Decreases.

Thinning and decreased keratinization of the gingival epithelium have been reported with age. The significance of these findings could mean an increase in epithelial permeability to bacterial antigens, a decreased resistance to functional trauma, or both contributing to increased vulnerability of the gingiva to trauma and periodontal disease in older adults.

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First to band the teeth for active tooth movements

 # Who was the first to band the teeth for active tooth movements?

A. Pierre Fauchard 

B. Henry A. Baker

C. William and Magill 

D. Emerson C. Angel

The correct answer is C. William and Magill.

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Use of finger pressure to align irregular teeth

 # Who advocated the use of finger pressure to align irregular teeth?

A. Edward Hartley Angle

B. Calvin Case

C. Aulius Cornelius Celsius

D. PR Begg

The correct answer is C. Aulius Cornelius Celcius.

Aulius Cornelius Celsus (25 BC–50 AD) described finger pressure to move teeth in his work “De Re Medicina.”

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Founder of Modern Dentistry

 # Who is the founder of modern dentistry?

A. Edward H angle

B. Norman Kingsley

C. Aulius Cornelius Celsius

D. Pierre Fauchard

The correct answer is: D. Pierre Fauchard.

Pierre Fauchard (January 2, 1679 – March 21, 1761) was a French physician, credited as being the "father of modern dentistry". He is widely known for writing the first complete scientific description of dentistry, Le Chirurgien Dentiste ("The Surgeon Dentist"), published in 1728. The book described basic oral anatomy and function, signs and symptoms of oral pathology, operative methods for removing decay and restoring teeth, periodontal disease (pyorrhea), orthodontics, replacement of missing teeth, and tooth transplantation. 

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