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75 Cards in this Set

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  • Back
How many years does it take permanent teeth to emerge after crown completion?
3 years
What is the name of the last period of tooth growth?
Histodifferentiation
Each molar has what maximum amount of cusps?
5 cusps is the maximum
Enamel is formed by what type of epithelial cells?
Ameloblasts
When teeth are in the odontogenesis phases, every tooth goes through how many developmental processes?
3
Which of the following reason is/are teeth formed?
A. Tearing
B. Cutting
C. Grinding
D. All of the above
All of the above
When there is a slight indentation that encircles the tooth and marks the junction of the crown with the root, it is known by which of the following terms?
Cervical Line
Cuspids are designed to perform what type of functions?
Cutting and tearing
The hard palate is covered with what type of mucosa?
Masticatory
What is the name of the system that is used by the armed forces to identify teeth?
Universal Numbering
When viewed by a radiograph, trabecular bone will have what type of an appearance?
Web-like
Primary teeth are identified by which letters of the alphabet?
A to T
What type of tissue is found on the inside of the lips, cheeks, vestibule, soft palate, and under the tongue?
Lining Mucosa
The tip of each root is known by which of the following terms?
A. Angle
B. Arch
C. Apex
D. End
Apex
How many total tooth buds are present in a prenatal maxillary and mandibular arch?
20 tooth buds
If a patient's profile is characterized as normal, they will be what class according to Dr. Angle?
Angle I
When primary teeth get ready to fall out and make way for the eruption of permanent teeth, what is the name of the process?
Exfoliation
What is the term used to describe the appearance of the mandibular first bicuspid?
Bell-crowned

Not to be confused with bell-shaped.
What are the first permanent teeth to erupt?
Mandibular central incisors
The anteriorposterior curve is referred to by that term?
Curve of Spee
What is the name of the dental anatomy that has a small, rounded projection of enamel from the incisal edges of newly erupted anterior teeth?
Mamelons
What tooth will have a fifth cusp on it?
Maxillary first molar
A tooth has how many total proximal surfaces?
2. One on each edge.
What area helps prevent food from packing between the teeth?
Interdental papilla
What dental anatomy has a rounded or angular depression of varying sizes found on the surface of a tooth?
Fossa
A tooth is suspended in its socket by what ligament?
Periodontal
How many primary teeth are there in a normal deciduous mouth?
20
The part of the crown that is visible in the mouth is known by which of the following terms?
A. Clinical enamel
B. Clinical exposure
C. Clinical tooth
D. Clinical crown
D. Clinical Crown
What is the name of the process where the bony portions of the maxilla and mandible teeth are embedded?
Alveolar
The distal surface of a tooth is located in which area?
Away from the midline of the arch.
The mesial surface of a tooth is located in which area?
Closest to the midline of the arch
The mesial margin of a maxillary central incisor meets the incisal edge at almost what degree angle?
90 degree angle
What is the name of the region where the roots separate?
Furcation
What is the name of the term that is given to the portion of gingiva that extends from the gingival crest to the crest of the bone?
Unattached gingiva
The interproximal space is occupied by what type of anatomy?
Interdental papilla
How many dental quadrants are in the mouth?
Four
Dental development usually begins in which of the following weeks of prenatal life?
Either 5th or 6th
What is the chief function of the pulp?
Formation of dentin
What area is the first to show symptions of gingivitis?
A. Epithelial attachment
B. Gingival Margin
C. Muco-gingival junction
D. Interdental papilla
Gingival margin
What is the name of the junction where the cementum joins the enamel?
Cementoenamel
The oral mucosa consists of how many total types of mucosa?
3
What type of shape does the lingual surface of an incisor have?
Shovel
This stage is also known as proliferation.
Cap Stage
Name the three stages of the growth period.
Bud Stage
Cap Stage
Bell Stage
What are the dentin forming cells called?
Odontoblast
When primary teeth get ready to fall out and make way for the eruption of permanent teeth, they go through a process called what?
Exfoliation (shedding)
The crown is divided into what two parts?
anatomic and clinical crown
This is a slight indentation that encircles the tooth and marks the junction of the crown with the root.
cervix or cervical line
On the apex of each root, there is a small opening that allows for the passage of blood vessels and nerves into the tooth. What is the opening called?
Apical Foramen
What part of the crown is the visible part?
Clinical Crown
Enamel can endure how many pounds of pressure?
Crushing pressure of approx 100,000 pounds per square inch
What consists of approximately 70% inorganic matter and 30% organic matter?
Dentin
Dentin transmits pain stimuli via?
Dentinal fibers
Bonelike tissue that covers the roots of the teeth in a thin layer is?
Cementum
What is composed of 55% organic material and 45% inorganic material?
Cementum
Bony portion of the maxilla and mandible where the teeth are embeded and by which tooth roots are supported.
Alveolar Process
Structurally, this is composed of lingual and facial plates of compact bone. It is dense in nature and provedes strength and protection and acts as the attachment for skeletal muscles.
Cortical plate
The highest point of the alveolar ridge and joins the facial and lingual cortical plates.
Alveolar Crest
The horseshoe shape white line on a dental radiograph that roughly corresponds to the alveolar bone proper.
Lamina dura
Name the three types of tissues of the oral cavity.
Masticatory mucosa
Lining mucosa
Specialized mucosa
This type of tissue is horny, tough, protective outer layer of tissue.
Keratinized tissue that is on the Masticatory mucosa.
A structior of the hard palate: Located at the midline, directly posterior of the maxillary central incisors. (Pear-shaped in appearance)
Incisive Papilla
Popcorn hulls get trapped in this area.
Gingival sulcus
A line that separates the attached gingiva from the lining mucosa.
Mucogingival Junction
The tissue found on the inside of the lips, cheeks, vestibule, soft palate, and under the tongue.
Lining Mucosa
What class angle is where the patient's profile is deficient in chin length and characterized as a retruded profile.
Class II
Patients profile is extensive in chin length and characterized as protruded profile. What class angle is this?
Class III
What two teeth define the "Key to Occlusion"
Maxillary first molar and mandibular first molar
The longest tooth.
Maxillary cuspid
The fifth cusp of the maxillary first molar is called what?
The cusp of Carabelli
What is the first permanent tooth to erupt?
Mandibular First Molar
The lateral curve of the mandibular arch.
Curve of Wilson
What is also refered to as the "premolars"
Bicuspids
What term is used to describe the tooth as it is breaking through the gingival tissue?
Emergence
What are the three developmental processes?
Growth, Calcification, and Eruption