Biophysics-101 Quiz for Dentistry Students

What is defined as any push or pull that can cause an object to change its shape, direction, or motion?

• Force

• Pressure

• Mass

• Energy

What type of forces are directed towards the center of an object, causing it to be compressed?

• Compressive forces

• Tensile forces

• Impact forces

• Shear forces

During which dental treatment are tensile forces commonly encountered?

• Orthodontic treatment

• Filling placement

• Chewing

• Crown placement

What can excessive compressive forces lead to?

• Tooth mobility

• Tooth fractures

• Tooth alignment

• Tooth whitening

Which type of forces act parallel to the surface of an object?

• Functional forces

• Shear forces

• Tensile forces

• Compressive forces

What is the range of forces exerted during normal chewing?

• 60 to 80 psi

• 40 to 60 psi

• 20 to 40 psi

• 10 to 20 psi

What type of forces occur when an object strikes a dental structure with sudden impact?

• Compressive forces

• Functional forces

• Impact forces

• Tensile forces

What can excessive shear forces during tooth preparation lead to?

• Tooth whitening

• Tooth alignment

• Enamel wear

• Tooth sensitivity

What is the role of functional forces in dentistry?

• To cause tooth decay

• To maintain oral health

• To create malocclusion

• To increase tooth sensitivity

What can parafunctional forces lead to?

• Tooth sensitivity

• Tooth alignment

• Tooth whitening

• Tooth wear