Question 1

Which of the following teeth is the first permanent tooth to erupt into the oral cavity,usually signaling the end of the primary dentition period?

Accepted Answer

The primary dentition period usually ends when the first permanent tooth erupts,the permanent mandibular first molar.

Question 2

During which dentition period may home care become difficult due to crowding that promotes dental biofilm retention?

Accepted Answer

Home care may be difficult for patients during the mixed dentition period because of changes,such as crowding,that may promote dental biofilm retention.

Question 3

Which of the following usually signals the end of the mixed dentition period?

Accepted Answer

The mixed dentition period usually ends with shedding of the last primary tooth.

Question 4

Which of the following is the tooth designation system that uses the digits 1 through 32?

Accepted Answer

The Universal Numbering System designates the permanent teeth from each other in consecutive arrangement as the patient is observed from in front by using the digits 1 through 32.With the Palmer Notation Method,which is also called the Military Tooth Numbering System,the teeth are designated from each other with a right-angle symbol indicating the quadrants,with the tooth number placed inside With the International Numbering System,the digits 1 through 4 are used for quadrants in a clockwise manner in the permanent dentition.

Question 5

Which term is used to describe the method by which the teeth of the mandibular arch come into contact with those of the maxillary arch?

Accepted Answer

Occlusion is the method by which the teeth of the mandibular arch come into contact with those of the maxillary arch.When two teeth in the same arch come into contact,the curvatures next to the contact areas form spaces considered embrasures.The Palmer Notation Method is a tooth designation system that has a graphical image.The masticatory surfaces of both anterior and posterior teeth have linear elevations,or ridges.The masticatory surfaces of both canines and posterior teeth also have at least one major elevation,the cusp.

Quiz 15: Overview of Dentitions

Which of the following teeth is the first permanent tooth to erupt into the oral cavity,usually signaling the end of the primary dentition period?

During which dentition period may home care become difficult due to crowding that promotes dental biofilm retention?

Which of the following usually signals the end of the mixed dentition period?

Which of the following is the tooth designation system that uses the digits 1 through 32?

Which term is used to describe the method by which the teeth of the mandibular arch come into contact with those of the maxillary arch?