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42 Cards in this Set
- Front
- Back
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Which term refers to a defect present at birth? A. Anomaly B. Inherited defect C. Congenital defect D. Developmental defect |
C. Congenital defect |
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Which term refers to the joining of teeth by cementum only? A. Fusion B. Gemination C. Twinning D. Concrescence |
D. Concrescence |
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Which tooth is the most common supernumerary tooth? A. Mediodens B. Distomolar C. Paramolar D. Hutchinson incisor |
A. Mesiodens |
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Which term refers to the developmental 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 |
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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 |
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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 |
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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 |
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Which one of the following describes the appearance of enamel hypocalcification? A. Pitting defects B. Yellowish-brown discoloration C. Blackish-brown staining D. Chalky white spots |
D. Chalky white spots |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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Which cyst is considered a pseudocyst? A. Odontogenic keratocyst B. Traumatic bone cyst C. Lymphoepithelial cyst D. Primordial cyst |
B. Traumatic bone cyst |
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Which term refers to the adhesion of the tongue to the floor of the mouth? A. Ankylosis B. Ankyloglossia C. Anodontia D. Amelogenesis |
B. Ankyloglossia |
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Which term refers to an ectopic mass of thyroid tissue located on the dorsal tongue? A. Thyroid cyst B. Thyroid tumor C. Lingual tonsil D. Lingual thyroid |
D. Lingual tonsil |
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Which term refers to the lack of one or more teeth? A. Anodontia B. Hypodontia C. Hyperdontia D. Microdontia |
B. Hypodontia |
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Which term refers to abnormally small teeth? A. Taurodontia B. Macrodontia C. Microdontia D. Hypodontia |
C. Microdontia |
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Which location is the most likely for an enamel pearl? A. Maxillary molars B. Maxillary second premolar C. Mandibular premolars D. Mandibular molars |
A. Maxillary molars |
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Which term refers to an accessory cusp located on the occlusal surface of a tooth? A. Mulberry cusp B. Talon cusp C. Dens invaginatus D. Dens evaginatus |
D. Dens evaginatus |
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Which term refers to the irregular areas of discoloration that result from fluoride ingestion? A. Pitting defects B. Developmental defects C. Mottling defects D. Extrinsic staining |
C. Mottling defects |
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Which term refers to teeth that cannot erupt because of physical obstruction? A. Fused B. Ankylosed C. Embedded D. Impacted |
D. Impacted |
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The short and the long arms of each chromosome are joined by a constriction called the: A. equatorial plate B. Chiasmata C. Chromatid D. Centromere |
D. Centromere |
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Trisomy is defined as: A. the presence of 2 extra X chromosomes in a male B. 3 extra chromosomes C. a pair of chromosomes with an identical extra chromosome D. 1 extra chromosome in each pair |
C. a pair of chromosomes with an identical extra chromosome |
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Barr bodies are seen at the: A. nuclear periphery on all human cells B. periphery of the cytoplasm in all human cells C. nuclear periphery of cells in women D. periphery of the cytoplasm in all cells from women |
C. nuclear periphery of cells in women |
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Hypothetically, an autosomal-dominat trait would be clinically present in: A. 50% of the offspring of an affected parent B. 75% of the offspring of an affected parent C. 25% of the offspring of an affected parent D. only in males, never in female offspring |
A. 50% of the offspring of an affected parent |
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Which one of the following is associated with cyclic neutropenia? A. premature loss of primary teeth B. deminished number of circulating neutrophils C. exfoliating teeth because of short roots D. chipping away of enamel |
B. deminished number of circulating neutrophils |
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A 14 yr old boy is seen in consultation because of bilateral mandibular swelling. Radiographs show a bilateral multilocular lesion in the assending mandibular rami. The mother of this patient has similar findings. The most likely diagnosis is: A. Cherubism B. Cleidocranial dysplasia C. Nevoid basal cell carcinoma syndrome D. Ellis-Van creveld syndrome |
A. Cherubism |
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Which of the following is the most serious component of Gardner syndrome? A. Mandibular odontomas B. Multiple osteomas C. Teeth hypercementosis D. Intestinal polyposis |
D. Intestinal polyposis |
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Odontogenic keratocysts are a clinical component of: A. MEN 2B syndrome B. Neurofibromatosis of Von-Reckling Hausen C. Nevoid basal cell carcinoma syndrome D. Cherubism |
D. Nevoid basal cell carcinoma syndrome |
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Torus mandibularis and torus palatinus are: A. inherited as an autosomal-recessive trait B. more prevalent in males C. inherited as an autosomal-dominant trait D. sporatic traits |
C. inherited as an autosomal-dominant trait
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The cause of all forms of labial and palatal clefting is considered to be: A. autosomal-dominant B. autosomal-recessive C. multifactorial D. environmental |
C. multifactorial |
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The most serious clinical manifestation of the MEN 2B syndrome is considered to be: A. carcinoma of the colon B. carcinoma of the thyroid gland C. pheochromocytoma D. basal cell carcinomas |
B. carcinoma of the thyroid gland |
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In dentinogenesis imperfecta type II, teeth have: A. hard dense dentin B. dilacerated roots C. markedly brittle enamel D. roots that are short and thin |
D. roots that are short and thin |
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Patients with hypophosphatasia characteristically have: A. obliterated pulp chambers B. marked gingival keratinization C. increase in serum alkaline phosphatase levels D. absence of root cementum |
D. absence of root cementum |
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The characteristic finding in permanent teeth affected with coronal dentin dysplasia is: A. crowns with amber color B. markedly short roots C. thistle-shaped pulp chambers on radiographs D. large, square pulp chambers |
C. thistle-shaped pulp chambers on radiographs |
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The so-called "enamel agenesis" is one of which type of amelogenesis inperfecta: A. hypoplastic B. hypocalcified C.hypomaturation D. hypoplastic-hypomaturation |
A. hypoplastic |
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The papillon-Lefevre syndrome is inherited according to a (an): A. autosomal-dominant pattern B. autosomal-recessive pattern C. X-linked dominant pattern D. X-linked recessive pattern |
B. autosomal-recessive pattern |
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Which one of the following statements is true when comparing cyclic neutropenia and costmann syndrome? A. the oral lesions in cyclic neutropenia are more severe B. both conditions are inherited as autosomal-dominant C. both conditions are associated with capillary fragility D. the oral lesions in Costmann syndrome are always present unless systemic treatment is instituted |
D. the oral lesions of Costmann syndrome are always present unless systemic treatment is instituted |
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Radiographs of a patient with radicular dentin dysplasia show: A. pulp chambers with a half moon appearance B. taurodontic teeth C. internal resorbtion of teeth D. large pulp chamber with long pulp horns |
A. pulp chambers with a half moon appearance |
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