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Quiz 1, 4 Flashcards

(31 cards)

1
Q

Primary dentition

A

20 teeth, baby, A-T

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2
Q

Permanent dentition

A

Second, adult, 32 teeth

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3
Q

Permanent quadrant consists of

A

1 central incisor, 1 lateral incisor, 1 canine, 1 first premolar, 1 second premolar, 1 first molar, 1 second molar, 1 third molar

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4
Q

Primary quadrant consists of

A

1 central incisor, 1 lateral incisor, 1 canine, 1 first molar, 1 second molar

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5
Q

Are there primary premolars

A

No

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6
Q

Permanent teeth that replace primary teeth

A

Succedaneous

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7
Q

What are tori and exostoses? What clinical complications may they cause

A

Tori are small bone swellings that occurs on the lingual surface of the mandible or the palatial surface of the maxilla at the midline. Exotoses are small bone swellings that are present on the facial surface.

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8
Q

Define the boundaries of the vestibule

A

The vestibule is bordered anteriorly by the lips; laterally by the cheeks; superiorly and inferiorly by the maxillary and mandibular mucobuccal folds, respectively; and posteriorly by the buccal alveolar bone, gingiva, and teeth

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9
Q

Are muscles contained in the frenum attachments of the lips?

A

A frenum is a fold of connective tissue in the vestibule; it contains no muscle tissue.

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10
Q

Why is the alveolar mucosa redder than the gingiva?

A

Alveolar mucosa is relatively thin tissue and appears reddish in color because of blood vessels underneath the tissue. At the mucogingival junction, the tissue becomes thicker and more tightly adhered to the bone. This gingival tissue appears more pink in color than alveolar mucosa because of the thickness of this tissue and blood vessels being less visible under the tissue.

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11
Q

What are the divisions of the palate? What are the transverse ridges in the anterior palate?

A

The roof of the mouth can be divided into the hard and soft palate; they are separated by the posterior nasal spine. The hard palate can be further divided into the anterior and posterior portions. The soft palate extends from the posterior nasal spine to the uvula. On the anterior portion of the hard palate are transverse ridges of epithelial and connective tissue known as rugae. They are covered with keratinized epithelium.

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12
Q

Where and what is the posterior nasal spine?

A

The posterior nasal spine of the palatine bone is the anatomic division of the hard and soft palates at the midline of the mouth. Two small depressions are located on each side of the spine called the fovea palatinae. The posterior nasal spine is the anatomic landmark for construction of a maxillary denture.

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13
Q

Which muscle supports the floor of the mouth?

A

The floor of the mouth is supported by the paired mylohyoid muscles. When contracted, these muscles raise the tongue and floor of the mouth.

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14
Q

What and where is the sublingual caruncle?

A

The sublingual caruncle is the intraoral opening for the submandibular and sublingual salivary glands. It is located at the base of the lingual frenum; it appears as a small elevation on each side of the lingual frenum.

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15
Q

What makes up the anterior and posterior pillars? What lies between them?

A

The anterior pillars are formed by the palatoglossal muscles; the posterior pillars are formed by the palatopharyngeal muscles. The palatine tonsils are positioned between the anterior and posterior pillars.

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16
Q

What is the fauces?

A

The fauces are the posterior extent of the oral cavity. They are the space between the left and right tonsils and their anterior and posterior pillars

17
Q

What are the two parts of the oral cavity? What are the boundaries of each part?

A

The oral cavity can be separated into the vestibule and the oral cavity proper. The vestibule is bordered anteriorly by the lips; laterally by the cheeks; superiorly and inferiorly by the maxillary and mandibular mucobuccal folds, respectively; and posteriorly by the buccal alveolar bone, gingiva, and teeth. The oral cavity proper extends superiorly from the roof of the mouth to the floor of the mouth, inferiorly. The lateral borders of the oral cavity proper are the alveolar bone, teeth, and gingiva. The posterior border is the palatine tonsils, anterior and posterior pillars, and fauces.

18
Q

Why is knowledge of normal anatomy of the oral cavity so important for all members of the dental team?

A

Proper knowledge of the normal anatomy of the oral cavity is essential for all members of the dental team so that any member of the team—dental assistant, dental hygienist, or dentist—may identify a lesion or abnormality in a patient’s oral cavity that needs careful examination. This allows dental professionals to provide the best care for patients in all situations.

19
Q

Name three generalized disease states that can be detected by the presence of oral signs or oral lesions.

A

Measles appears first as spots in the oral cavity. Oral cancers, such as Kaposi sarcoma, are consistent with infections of HIV/AIDS. Cancer at other body locations can spread to the mouth; a patient with excellent oral hygiene who experiences gingival bleeding when brushing might be tested for leukemia. A painful reddened tongue can be a sign of vitamin deficiencies.

20
Q

What are Fordyce granules? Describe the appearance of Fordyce granules.

A

About 60% to 80% of patients appear with small yellowish granular structures embedded in the buccal mucosa, labial mucosa, or retromolar pads. These Fordyce granules are misplaced sebaceous glands.

21
Q

Name two types of human dentition and the number of teeth in each.

A

There are two types of dentition in the human mouth: primary and secondary. The primary dentition consists of the 20 deciduous teeth. The secondary dentition is comprised of the 32 permanent teeth.

22
Q

Name the different arches. How many teeth are present in a primary arch and how many in a secondary mandibular arch?

A

There are two arches of each dentition: the maxillary and mandibular arch. Both maxillary and mandibular arches in the primary dentition contain 10 teeth. There are 16 permanent teeth in each arch (maxillary and mandibular) in the secondary dentition.

23
Q

List the number of different quadrants.

A

There are four quadrants: upper right, upper left, lower right and lower left.

24
Q

Are any primary teeth succedaneous? If not, why not?

A

Succedaneous teeth are permanent teeth that replace primary teeth. Primary teeth do not replace any teeth

25
Name all the nonsuccedaneous permanent teeth.
All maxillary and mandibular permanent molars do not replace any teeth in the primary dentition; they are nonsuccedaneous teeth. All other permanent teeth are succedaneous.
26
Are secondary molars nonsuccedaneous?
Permanent second molars are nonsuccedaneous because they do not replace any primary teeth.
27
What dentition is composed of both primary and secondary teeth?
A dentition composed of both primary and secondary teeth is called a mixed dentition.
28
How many dentitions are there?
There are three types of dentition in the human mouth: primary, mixed and secondary.
29
Identify the following in the Universal system: Numbers 3, 5, 19, 28, 32
3: secondary maxillary right first molar, 5: secondary maxillary right first premolar, 19: secondary mandibular left first molar, 28: secondary mandibular right first premolar, 32: secondary mandibular right third molar
30
Identify letters A, E, J, M, S
A: primary maxillary right second molar, E: primary maxillary right central incisor, J: primary maxillary left second molar, M: primary mandibular left canine, S: primary mandibular right first molar.
31
How many permanent incisors do cats have?
Cats have 12 incisors. 3 in each quadrant (3 x 4 = 12) or if you look at the dental formula 3/3 incisors (six per side) 3 uppers, 3 lowers on the right and the same on the left.