Embryology & Histology
The Dentitions
Head & Neck Anatomy
Cranial Nerves
EIO
100

What are the 3 parts of the tooth germ? 

Enamel organ, Dental papillae, Dental sac 

100

Which tooth structure constitutes the bulk (majority) of the tooth? 

Dentin 

100

Which muscle of facial expression compresses the cheeks during chewing and assisting the muscles of mastication? 

Buccinator 

100

What cranial nerve is involved with dental injections? 

5th Trigeminal Nerve 
100

What might be observed in the prodromal phase of measles? 

Koplik's spots 
200
When Hertwigs's epithelial root sheath encounters a blood vessel, an extra canal may form. What is the canal? 
Accessory Canal 
200

Which permanent tooth replaces the primary 1st molar? 

Permanent 1st premolar 

200

The vertical depression located on the dorsal surface of the patient's tongue is termed? 

Median lingual sulcus 

200

What are the 3 divisions of the Trigeminal nerve? 

Ophthalmic, Maxillary, Mandibular 

200

What is the term for a skin finding in which the top layer of skin rubs off easily?

Nikolsky sign 

300
Into which cell type does the inner enamel epithelium differentiate during tooth development? 

Ameloblasts

300

When the maxillary and mandibular teeth come into centric occlusion, the anterioposterior curvature is called ? 

Curve of Spee 

300

The type of oral mucosa present on the dorsal surface of the tongue is best described as? 

Specialized mucosa 

300
Which cranial nerve is involved in tear production (keeping the eyes lubricated)? 

Facial nerve 

300

What muscle serves to turn and nod the head?

SCM 

400

Remnants of Hertwig's epithelial root sheath found in the periodontal ligament of a functioning tooth are called? 

Rests of Malassez

400

Using the Universal coding system, what letter is given to the mandibular left primary canine? 

Letter M 

400

Which of the following sutures separates the occipital bone from the paired parietal bones? 

Lambdoidal 

400

The function of cranial nerve I is ?

Smell 

400

What are 2 clinical findings in necrotizing gingivitis? 

Pseudomembrane 

Fetor oris 

Punched out/blunted papillae 

500

The first, second and third permanent molars develop from an extension of the general dental lamina. The permanent teeth that succeed a primary tooth grow from? 

The successional lamina 

500

Which of the following features is found on a primary molar's pulp cavity as compared to the pulp cavity of a permanent molar? 

Larger proportion to pulp chambers 

500

Several of the muscles of mastication are attached to the sphenoid bone. What is the name of the landmark on the sphenoid bone for these attachments? 

Medial and Lateral Pterygoid process 

500

What is the Glossopharyngeal nerve responsible for?

Swallowing, taste, and secreting saliva 

500

In what bone is the foramen ovale located? 

Sphenoid bone