Dental Histology Test

Select the components of enamel organ :

Approximately what % of enamel is calcium hydroxyapatite ___:

The ends of collagen fibers embedded in both cementum and bone are called:

component of saliva that helps dissolve foods so they can be tasted and digestive reactions can begin:

Excess cementum formation is called :

Multiple cystic lesions inside both the parotid glands in a patient should alert the clinician for a possible diagnosis of:

What is the content of a dentinal tubules :

From enamel organ is developed :

Sublingual salivary gland is situated:

Terms of root formation for first temporary molars are :

Enamel covers :

The organic substance of dentine is composed from :

Scalloped-shaped ‘bumps’ on the incisal edge of incisors on newly erupted teeth are called ____________________.:

The two main types of cementum are called and:

Dental pulp is a lax conjunctive tissue formed from :

An antibiotic which can cause severe staining of enamel if given during amelogenesis is __________________________.:

Dentin formative cells:

The peripheric processes of odontoblasts are situated in :

How many phases exist in the development of tooth tissues are :

Cellular cement is situated in :

If a cementoblast becomes surrounded by cementum matrix, it is then called a :

three solutes in saliva:

Submandibular salivary gland swelling is differentiated from submandibular lymphadenitis clinically by:

Specify terms of eruption for first temporary molars :

The radicular 1/3 of the tooth has primarily which type of cementum?:

Food stimulates secretion of:

Dentin is a mineralized connective tissue that is perforated by microscopic parallel channels

called __________:

In submandibular salivary gland surgery, the branch of facial nerve at risk is:

In parotid surgeries the most reliable way of identifying the facial nerve is:

In approximately 60% of cases, the cementum the enamel. (overlaps, meets, does not meet- exposed dentin):

Adenoid cystic carcinoma is known to commonly involve:

Blood supply is derived from sources :

fluid secreted by the salivary glands:

The fibers from radicular cement have one direction and are joined :

Name the 4 components of the periodontium. ______________:

Daily average volume of saliva produced in a human being is:

Brush-like areas of hypocalicified enamel rods at the DEJ are called __________.:

Cementocytes reside in and their processes extend into:

Coarse extrinsic collagen fibers are formed by ____________________.:

Teeth development begin in the :

Oral epithelium forms in mesenchime a growth in shape of :

Acellular afibrillar cementum is only found in :

Dentinal tubules are distributed ununiformly in different layers of dentine :

Dark zones of Hunter – Schreger bands are called :

Name two common conditions which affect teeth and enamel due to aging ____.:

Enamel prism in transversal section has a shape of :

Because enamel is formed in a ‘layering’ pattern, ground tooth sections show brownish lines

called ___, also known as incremental lines.:

Enamel prism in transversal section has a shape of :

Dental pulp is a lax conjunctive tissue formed from :

Lightning segments of Hunter – Schreger bands are called :

Dentin Mineral Level (inorganic):

Hunter – Schreger bands appear as a result of :

Benign tumors of superfical lobe of parotid gland takes a very long time to project outwards because:

The wall of each tubule is composed of a layer of hypermineralized dentin matrix termed _______ _______:

Changes in enamel rod orientation as seen by polarized light on tooth sections are called _:

Specify terms of germs mineralization for second temporary molar :

In what region of the crown , the enamel has maximum thickness :

There is a right contact between the enamel and the cement in :

Dentin Incremental lines:

From dental sac (follicle) of dental germs is developed :