dental assistant study guide Exam Questions & Solutions

dental assistant study guide Exam
Questions & Solutions
How many teeth are in the permanent dentition? - -32

- How many deciduous teeth are there in the dentition? - -20

- What are the two main reasons we lose teeth? - -disease of the
gingiva/gums, periodontal tissues, and the alveolar process and holes in the
enamel and dentin

- What are the structures that surround the teeth? - -alveolar processes,
gingiva/gums, and gingival sulcus

- Name the two arches in the mouth? - -maxillary and mandibular

- Name the anterior teeth. - -incisors and cuspids/canines

- What is the anterior teeth's function? - -incisors - cuts food by biting
pieces
cuspids/canines - tear food that is too tough for incisors to cut

- Name the posterior teeth. - -premolars and molars

- What is the posterior's teeth function? - -premolars - tearing and grinding
molars - grind down large chunks of food

- What is the universal method for identifying teeth? - -deciduous/primary
teeth are identified by letter and permanent teeth are identified by number

- What are the three main sections of a tooth? - -crown, cervix, root

- What are the surfaces of the anterior teeth? - -labial, lingual, incisal, distal,
mesial

- What are the surfaces of the posterior teeth? - -buccal, lingual, occlusal,
distal, mesial

- What is a radiopaque structure? - -they do not allow radiation to pass
through

- What is a radiolucent structure? - -they allow rays to penetrate through
them