Mandibular Posterior Teeth Rhomboid Form Quiz

Triangular

Rhomboidal (correct)

Trapezoidal

Rectangular

To facilitate the initial penetration of food material (correct)

To increase the stability of the teeth in the jaw

To increase the surface area for chewing

To reduce the masticatory forces transmitted to the periodontium

The trapezoidal outline facilitates the sliding of food material along the crown surfaces (correct)

The rhomboidal outline has a wider base for strength

The trapezoidal outline has a narrower occlusal surface

The rhomboidal outline allows for more efficient resistance against masticatory forces

<p>To reduce the trauma to the marginal gingiva as food slides over the cervical tooth surface</p> Signup and view all the answers

<p>To facilitate the initial penetration of food material</p> Signup and view all the answers

<p>To allow the sliding of food material along the inclined planes of the crown surfaces</p> Signup and view all the answers

<p>The trapezoidal outline has a wider base for strength, while the rhomboidal outline has a narrower occlusal surface</p> Signup and view all the answers