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Which of the following orofacial structures contributes to the prominence of the neck that is also called the "Adam's apple"?
If tooth #30 was extracted due to extensive decay and a ______________ was not inserted in the space, tooth #31 might drift_______________.
Space Maintainer; Mesially
Which of the following statements concerning pigmentation in the oral cavity is CORRECT?
Pigmentation serves no known function in the oral cavity.
In salivary glands, which of the following structures is composed of secretory epithelial cells?
What is the name of the groove that runs mesially from the central pit to the mesial triangular fossa?
The two roots of a maxillary first premolar tooth are named for their position which are?
Buccal and lingual
A series of palatal tissue elevations or wrinkles, located behind the maxillary anterior teeth.
Which of the following tissues is MOST likely the source of cementogenic cells in adults who have undergone root planning (scraping of the root surface to remove debris)?
Which of the following structures is not visible in any portion on intraoral examination?
Which of the following salivary glands are associated with the circumvallate lingual papillae and secrete only serous saliva?
Which of the following features is noted on a newly erupted permanent mandibular canine?
Mesial cusp slope is shorter than the distal cusp slope
Which portion of the tooth is covered by enamel and remains constant even if the patient undergoes gingival recession?
True or False: The mesial cusp slope of the maxillary canine is longer than the distal cusp slope.
True or False: The distal groove on the maxillary first molar runs from the central pit across the oblique ridge and terminates in the distal triangula fossa. This groove is often called the transverse groove of the oblique ridge.
How many tooth buds in the dental lamina appear along each dental arch during odontogenesis of the primary dentition?
The epithelial attachment refers to the internal basal lamina and the:
hemidesmosomes of the basal cells
Which embryonic structure is specifically responsible for the development of the root?
The attached gingiva and buccal mucosa are mainly pinkish in color and not reddish due to the:
increased thickness of the epithelial layers.
Which of the following oral landmarks consists of 10-14 mushroom shaped structures line up anterior to the sturcture that separates the base of the tongue from the body of the tongue?
Circumvallate lingual papillae
Which of the following lingual surface features may occur on tooth #7 and tooth #10?
Lingual pit and or linguogingival groove
The voluntary position of the dentition that allows the maximum contact when the teeth occlude.
Parafunctional habits __________________.
Occur over a long time and are not within normal range of motion.
True or False: The triangular ridge of each cusp on tooth #31 is inclined toward the central groove because the four cusps are nearly equal.
Which of the following permanent teeth are usually present in a patient at the age of 8 years old?
Central incisors, lateral incisors and first molars
Which of the following describes the usual groove pattern on the occlusal table of the permanent mandibular second molar?
An indicator in the primary dentition for a normal molar relationship in the permanent dentition is a __________.
In which portion of the crown are both contact areas of the permanent mandibular first molar located?
Junction of the occlusal and middle third
Which of the following basic tissue types is characterized by many different types of cells surrounded by large amounts of intercellular substance with vascularization present?
Which of the following statements is correct when discussing the height of contour of a tooth?
It can be located at the contact area proximally
Which of the following pulp structures is formed when Hertwig's Epithelial Root Sheath encounters a blood vessel?
Which of the following statements concerning Fordyce's spots is correct?
They are composed of sebum from sebaceous glands
The MOST common cell type in connective tissues such as the pulp and periodontal ligament is the:
Which of the following lingual papillae are located on the lateral surface of the tongue?
Using the Universal Tooth Designation System identify the permanent mandibular left first premolar.
True or False: A crossbite occurs when the maxillary teeth are within the confines of the mandibular teeth.
When the incisal edges of teeth #7,8,9,10 touch the gingiva in front of teeth #23, 24, 25, 26 it is called _________________.
The sternocleidomastoid muscle separates which of the two sets of orofacial structures?
Anterior cervical triangle, posterior cervical triangle
Nonsuccedaneous permanent teeth develop from buds that grow off an extension of the:
Primary second molar's dental lamina
Which of the following features is a result of the greater development of the middle labial lobe on teeth # 6 & 11?
The lingual ridge is located ____________ on the lingual surface of permanent maxillary canines.
Which of the following terms associated with dentin can be used to CORRECTLY describe the largest portion of the tooth's dentin?
Which of the following describes the divisions of the roots of a permanent maxillary second molar?
Two buccal and one palatal
Which of the following developmental grooves is found on the crown of a permanent mandibular first molar but not on the permanent mandibular second molar?
Triangular-space between two teeth created by the sloping away of the mesial and distal surfaces either facially, lingually, occlusally or apically.
The crown of the permanent mandibular first molar when viewed from the proximal is inclined:
Of the various epithelia that make up the gingiva, which one does NOT normally keratinize?
Which of the following embryonic structures becomes the dentinoenamel junction (DEJ)?
Basement membrane between the enamel organ and the dental papilla
The facial or buccal cusps of the maxillary posterior teeth occlude in the central groove of the mandibular posterior teeth. This is a description of :
The line demarcation between the attached gingiva and the alveolar mucosa is the:
Concave curve that results when a frontal section is taken through each set of both maxillary and mandibular molars viewed on a study model:
Curve of Wilson
During the cap stage of tooth development, the tooth germ consists of:
Enamel organ, dental sac, and the dental papilla
Which of the following statements concerning active eruption of a permanent succedaneous tooth is correct?
The shedding of the associated primary tooth is intermittent
Which of the following changes occurs to those specific cells from the enamel organ which will differentiate into preameloblasts?
Repolarize their nuclei
The permanent mandibular canine, when compared to the maxillary canine :
Crown is narrower mesiodistally
Which tooth is adjacent and distal to the primary maxillary second molar in a 7 year old child?
Permanent maxillary first molar
The period of time, approximately from 6 months to 6 years of age, is the ______ period.
The lips are outlined from the surrounding skin by a transition zone that is called the:
Which designation reflects the proper sequence to use when identifying a tooth?
Deciduous mandibular left central incisor
Which letter from the Universal Tooth Designation System corresponds to the primary maxillary left first molar?
The permanent mandibular canine when compared to the maxillary canine:
Crown is narrower mesiodistally
Class II, Distoclusion is divided into 2 divisions. Which statement is correct for Division I?
The mandible is retruded and all of the maxillary incisors are protruded.
If a tooth two roots, how many horizontal epithelial extensions or flaps will be involved in its root formation?
Angel's Class I relationship occurs when the _____________:
mesiobuccal cusp of the maxillary first molar occludes in the mesiobuccal groove of the mandibular first molar.
Between which cusps does the oblique ridge of the permanent maxillary first molar extend on the occlusal table?
Mesiolingual cusp and the distobuccal cusp.
True or False: Lateral excursion is the act of moving the mandible forward and in a protrusive direction.
A. Are spillways for food.
B. Can prevent food from impacting around the gingiva.
C. Are larger on the lingual of posterior teeth due to the placement of the contact toward the buccal.
D. Are found on the incisal, occlusal, apical, labia and lingual surfaces
All of the above is the correct answer*
Deciduous teeth in general appear ____________at the CEJ than do the permanent teeth.
The peritubular dentin that is found surrounding each odontoblastic process is:
more calcified than intertubular dentin
A cingulum in varying developmental levels can be found on the lingual surfaces of ___________________ in the permanent dentition.
All anterior teeth
Cellular cementum is MOST likely found around which of the following root regions?
apical portion of the root
Spaces between the primary maxillary lateral incisor and canine and between the primary mandibular canine and first molar are called______________.
Where does the dental lamina begin to form initially in the developing dental arches?
near the midline
Which of the following characteristics is noted in a patient during the primary dentition period compared with the permanent dentition period?
Lighter enamel color
Which of the following permanent teeth is usually the smallest and has the simplest features?
Mandibular central incisor
A difference is size between the permanent premolars and the deciduous molars create a________.
Which type of cellular junction serves to attach the junctional epithelium to the tooth surface?
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