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75 Cards in this Set
- Front
- Back
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How many years does it take permanent teeth to emerge after crown completion?
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3 years
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What is the name of the last period of tooth growth?
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Histodifferentiation
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Each molar has what maximum amount of cusps?
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5 cusps is the maximum
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Enamel is formed by what type of epithelial cells?
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Ameloblasts
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When teeth are in the odontogenesis phases, every tooth goes through how many developmental processes?
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3
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Which of the following reason is/are teeth formed?
A. Tearing B. Cutting C. Grinding D. All of the above |
All of the above
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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?
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Cervical Line
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Cuspids are designed to perform what type of functions?
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Cutting and tearing
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The hard palate is covered with what type of mucosa?
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Masticatory
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What is the name of the system that is used by the armed forces to identify teeth?
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Universal Numbering
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When viewed by a radiograph, trabecular bone will have what type of an appearance?
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Web-like
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Primary teeth are identified by which letters of the alphabet?
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A to T
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What type of tissue is found on the inside of the lips, cheeks, vestibule, soft palate, and under the tongue?
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Lining Mucosa
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The tip of each root is known by which of the following terms?
A. Angle B. Arch C. Apex D. End |
Apex
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How many total tooth buds are present in a prenatal maxillary and mandibular arch?
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20 tooth buds
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If a patient's profile is characterized as normal, they will be what class according to Dr. Angle?
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Angle I
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When primary teeth get ready to fall out and make way for the eruption of permanent teeth, what is the name of the process?
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Exfoliation
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What is the term used to describe the appearance of the mandibular first bicuspid?
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Bell-crowned
Not to be confused with bell-shaped. |
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What are the first permanent teeth to erupt?
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Mandibular central incisors
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The anteriorposterior curve is referred to by that term?
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Curve of Spee
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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?
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Mamelons
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What tooth will have a fifth cusp on it?
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Maxillary first molar
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A tooth has how many total proximal surfaces?
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2. One on each edge.
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What area helps prevent food from packing between the teeth?
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Interdental papilla
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What dental anatomy has a rounded or angular depression of varying sizes found on the surface of a tooth?
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Fossa
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A tooth is suspended in its socket by what ligament?
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Periodontal
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How many primary teeth are there in a normal deciduous mouth?
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20
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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
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What is the name of the process where the bony portions of the maxilla and mandible teeth are embedded?
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Alveolar
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The distal surface of a tooth is located in which area?
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Away from the midline of the arch.
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The mesial surface of a tooth is located in which area?
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Closest to the midline of the arch
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The mesial margin of a maxillary central incisor meets the incisal edge at almost what degree angle?
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90 degree angle
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What is the name of the region where the roots separate?
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Furcation
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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?
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Unattached gingiva
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The interproximal space is occupied by what type of anatomy?
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Interdental papilla
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How many dental quadrants are in the mouth?
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Four
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Dental development usually begins in which of the following weeks of prenatal life?
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Either 5th or 6th
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What is the chief function of the pulp?
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Formation of dentin
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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
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What is the name of the junction where the cementum joins the enamel?
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Cementoenamel
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The oral mucosa consists of how many total types of mucosa?
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3
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What type of shape does the lingual surface of an incisor have?
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Shovel
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This stage is also known as proliferation.
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Cap Stage
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Name the three stages of the growth period.
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Bud Stage
Cap Stage Bell Stage |
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What are the dentin forming cells called?
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Odontoblast
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When primary teeth get ready to fall out and make way for the eruption of permanent teeth, they go through a process called what?
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Exfoliation (shedding)
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The crown is divided into what two parts?
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anatomic and clinical crown
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This is a slight indentation that encircles the tooth and marks the junction of the crown with the root.
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cervix or cervical line
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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?
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Apical Foramen
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What part of the crown is the visible part?
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Clinical Crown
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Enamel can endure how many pounds of pressure?
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Crushing pressure of approx 100,000 pounds per square inch
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What consists of approximately 70% inorganic matter and 30% organic matter?
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Dentin
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Dentin transmits pain stimuli via?
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Dentinal fibers
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Bonelike tissue that covers the roots of the teeth in a thin layer is?
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Cementum
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What is composed of 55% organic material and 45% inorganic material?
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Cementum
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Bony portion of the maxilla and mandible where the teeth are embeded and by which tooth roots are supported.
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Alveolar Process
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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.
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Cortical plate
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The highest point of the alveolar ridge and joins the facial and lingual cortical plates.
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Alveolar Crest
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The horseshoe shape white line on a dental radiograph that roughly corresponds to the alveolar bone proper.
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Lamina dura
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Name the three types of tissues of the oral cavity.
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Masticatory mucosa
Lining mucosa Specialized mucosa |
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This type of tissue is horny, tough, protective outer layer of tissue.
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Keratinized tissue that is on the Masticatory mucosa.
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A structior of the hard palate: Located at the midline, directly posterior of the maxillary central incisors. (Pear-shaped in appearance)
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Incisive Papilla
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Popcorn hulls get trapped in this area.
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Gingival sulcus
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A line that separates the attached gingiva from the lining mucosa.
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Mucogingival Junction
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The tissue found on the inside of the lips, cheeks, vestibule, soft palate, and under the tongue.
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Lining Mucosa
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What class angle is where the patient's profile is deficient in chin length and characterized as a retruded profile.
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Class II
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Patients profile is extensive in chin length and characterized as protruded profile. What class angle is this?
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Class III
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What two teeth define the "Key to Occlusion"
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Maxillary first molar and mandibular first molar
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The longest tooth.
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Maxillary cuspid
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The fifth cusp of the maxillary first molar is called what?
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The cusp of Carabelli
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What is the first permanent tooth to erupt?
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Mandibular First Molar
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The lateral curve of the mandibular arch.
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Curve of Wilson
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What is also refered to as the "premolars"
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Bicuspids
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What term is used to describe the tooth as it is breaking through the gingival tissue?
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Emergence
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What are the three developmental processes?
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Growth, Calcification, and Eruption
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