Chapter 5 DENT 1060 Flashcards
Developmental Disorders
Which term refers to a defect present at birth? A. Anomaly B. Inherited defect C. Congenital defect D. Developmental defect
C. Congenital defect
Which term refers to the origin and tissue formation of teeth? A. Odontogenesis B. Dentinogenesis C. Amelogenesis D. Cementogenesis
A. Odontogenesis
Which term refers to the joining of teeth by cementum ONLY? A. Fusion B. Gemination C. Twinning D. Concrescences
D. Concrescences
Which teeth are most often missing? A. Canines B. Deciduous second molars C. Third molars D. Premolars
C. Third molars
Which tooth is the most common supernumerary tooth? A. Mesiodens B. Distomolar C. Paramolar D. Hutchinson incisor
A. Mesiodens
Which teeth most often appear smaller than normal? A. Mandibular premolars B. Maxillary lateral incisors C. Mandibular lateral incisors D. Mandibular third molars
B. Maxillary lateral incisors
Which term refers to the development anomaly that arises when a single tooth germ attempts to divide and results in the incomplete formation of two teeth? A. Fusion B. Gemination C. Concrescence D. Dilaceration
B. Gemination
Which term refers to the developmental anomaly that arises from the union of two normally separated adjacent tooth germs? A. Twinning B. Gemination C. Fusion D. Dilaceration
C. Fusion
Which term refers to an abnormal angulation or curve in the root or crown of a tooth? A. Fusion B. Gemination C. Concrescence D. Dilaceration
D. Dilaceration
Which term refers to a developmental anomaly in which teeth exhibit elongated, large pulp chambers and short roots? A. Dens in dente B. Dens evaginatus C. Taurodontism D. Dilaceration
C. Taurodontism
Which DEVELOPMENTAL anomaly is often associated with a nonvital tooth and periapical lesions? A. Dens in dente B. Dens evaginatus C. Taurodontism D. Talon cusp
A. Dens in dente
Which of the following teeth most often exhibit supernumerary roots? A. Maxillary first premolars B. Maxillary third molars C. Mandibular first molars D. Maxillary first molars
B. Maxillary third molars
Which one of the following describes the appearance of enamel hypoplasia resulting from a febrile illness or vitamin deficiency? A. Pitting defects B. Yellowish-brown discoloration C. Blackish-brown staining D. Chalky white spots
A. Pitting defects
Which one of the following is associated with enamel hypoplasia resulting from congenital syphilis? A. Turner tooth B. Hutchinson incisors C. Taurodont D. Dens evaginatus
B. Hutchinson incisors
Which one of the following describes the appearance of enamel hypocalcification? A. Pitting defects B. Yellowish-brown discoloration C. Blackish-brown stains D. Chalky white spots
D. Chalky white spots
Which term describes a tooth that has not erupted because of a lack of eruptive force? A. Ankylosed B. Impacted C. Embedded D. Fused
C. Embedded
Which teeth are most often impacted? A. Distomolars B. Maxillary and mandibular first molars C. Mandibular cuspids D. Mandibular third molars
D. Mandibular third molars
Which term describes a tooth in which bone has fused to cementum and dentin and prevents the eruption of an underlying permanent tooth? A. Concrescence B. Embedded C. Ankylosed D. Fused
C. Ankylosed
Which cyst is NOT an odontogenic cyst? A. Dentigerous cyst B. Primordial cyst C. Median palatal cyst D. Lateral periodontal cyst
C. Median palatal cyst
The most common cause of the radicular cyst is: A. Caries B. Trauma C. Malignant infiltration D. Food impaction
A. Caries
Which cyst is an odontogenic intraosseous cyst that forms around the crown of a developing tooth? A. Coronal cyst B. Dentigerous cyst C. Lateral periodontal cyst D. Eruption cyst
B. Dentigerous cyst
Which cyst develops in place of a tooth? A. Dentigerous cyst B. Primordial cyst C. Follicular cyst D. Odontogenic keratocyst
B. Primordial cyst
Which cyst is characterized by its unique microscopic appearance and frequent recurrence? A. Residual cyst B. Stafne bone cyst C. Odontogenic keratocyst D. Eruption cyst
C. Odontogenic keratocyst
The lateral periodontal cyst is defined by its location. In which area is the lateral periodontal cyst most commonly found?
A. Mandibular third molar area
B. Maxillary tuberosity are
C. Between the maxillary premolars
D. Between the mandibular cuspid and first premolar
D. Between the mandibular cuspid and first premolar
The teeth are vital with all of the following cysts EXCEPT: A. Nasopalatine canal cyst B. Cyst of the palatine papilla C. Dentigerous cyst D. Periapical cyst
D. Periapical cyst
Which cyst is characteristically pear shaped? A. Globulomaxillary cyst B. Median palatal cyst C. Incisal canal cyst D. Median mandibular cyst
A. Globulomaxillary cyst
Which of the following describes a radicular cyst left behind after extraction of the offending tooth? A. Periodontal cyst B. Gingival cyst C. Odontogenic cyst D. Residual cyst
D. Residual cyst
With which cyst may the patient complain of dysphagia? A. Thyroglossal tract cyst B. Median palatal cyst C. Static bone cyst D. Traumatic bone cyst
A. Thyroglossal tract cyst
Which cyst is considered a pseudocyst? A. Odontogenic keratocyst B. Traumatic bone cyst C. Lymphoepithelial cyst D. Primordial cyst
B. Traumatic bone cyst