Dental Radiology Review Quiz
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Welcome to the Happy Times Radiology Review Quiz!
Questions are RANDOM and cover a whole lot of material. . . Stuff you maybe haven't learned yet either? It's meant to be a nice study guide and as a quick learning tool to help some of these things stick a lot better. Radiology is all about memorization, so the more things pop up, the more likely you are to remember them and identify them on spot tests and exams.
SPELLING IS IMPORTANT! Dr. Packota will take marks off for incorrect spellings!
The test depends on proper spelling and proper phrases i. E. Read more"floor of nasal sinus" all needs to be written out to get the answer correct.
Questions and Answers
- 1.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The given correct answer, "lamina dura," refers to a structure in the human body. The lamina dura is a thin layer of compact bone that lines the tooth socket or alveolar bone. It is located around the roots of the teeth and helps to provide support and stability to the teeth within the jawbone. The lamina dura can be identified by white arrows in an image or diagram, indicating its presence and location.Rate this question:
- 2.
IDENTIFY THE STRUCTURE (black arrows)
Explanation
The correct answer is "alveolar crest, crest, alveolar crests." This suggests that the structure being identified is the alveolar crest, which is a bony ridge located on the top of the alveolar bone. The term "crest" is used to describe this ridge, and "alveolar crests" refers to multiple instances of this structure.Rate this question:
- 3.
IDENTIFY THE STRUCTURE (black arrows)
Explanation
The correct answer refers to the structure known as the periodontal ligament (PDL) space. This space is located between the tooth root and the surrounding alveolar bone. It contains the periodontal ligament, which is a connective tissue that attaches the tooth to the bone. The PDL space plays a crucial role in supporting and cushioning the tooth during chewing and other oral functions.Rate this question:
- 4.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The correct answer is intermaxillary suture and median suture. The intermaxillary suture refers to the junction between the two maxillary bones in the midline of the upper jaw. The median suture refers to the midline junction between the two halves of a structure, in this case, the suture between the two halves of the maxilla bone. These structures are important for the development and alignment of the upper jaw and play a role in dental and orthodontic treatments.Rate this question:
- 5.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The correct answer is intermaxillary suture, median suture. The intermaxillary suture refers to the joint between the two maxilla bones in the skull, while the median suture refers to the joint between the two halves of the skull. These structures are important for the proper alignment and stability of the skull bones.Rate this question:
- 6.
IDENTIFY THE STRUCTURE (black arrow)
Explanation
The correct answer is "nasal septum, septum". The term "nasal septum" refers to the structure that divides the nasal cavity into two halves, while "septum" is a general term used to describe any dividing structure in the body. In this context, both terms are referring to the same structure, which is the dividing wall in the nose that separates the two nostrils.Rate this question:
- 7.
IDENTIFY THE STRUCTURE (black arrows)
Explanation
The correct answer is "floor of nasal sinus, floor of the nasal sinus". This suggests that there is a structure in the nasal sinus that can be identified as the floor. The term "floor" indicates the lower part or bottom surface of the structure, which in this case is the nasal sinus. The repetition of the phrase "floor of the nasal sinus" emphasizes the specific location being referred to.Rate this question:
- 8.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The correct answer is "floor of nasal sinus, floor of nasal aperture, floor of the nasal sinus." This answer suggests that there is a structure called the "floor of nasal sinus" and it is also referred to as the "floor of nasal aperture" and "floor of the nasal sinus." These terms likely refer to the same anatomical structure, but are described using different names.Rate this question:
- 9.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The correct answer is "floor of nasal sinus." The floor of the nasal sinus refers to the lower surface or bottom part of the nasal sinus. This structure can be identified using white arrows, indicating its location or presence within the nasal cavity.Rate this question:
- 10.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The correct answer is nasopalatine foramen and incisive foramen. These structures are anatomical landmarks located in the maxilla bone of the skull. The nasopalatine foramen is a small opening in the midline of the hard palate, and it allows for the passage of nerves and blood vessels. The incisive foramen is also found in the midline of the hard palate, slightly behind the central incisors. It serves as a passage for nerves and blood vessels supplying the anterior teeth and surrounding tissues.Rate this question:
- 11.
IDENTIFY THE STRUCTURE (black arrows)
Explanation
The given correct answer is "nasolacrimal canal, nasolacrimal canals." This suggests that the structure being identified is the nasolacrimal canal, which is a narrow passage in the skull that allows tears to drain from the eye into the nasal cavity. The plural form "nasolacrimal canals" indicates that there may be multiple canals present in some individuals.Rate this question:
- 12.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The correct answer is "floor of maxillary sinus, floor of the maxillary sinus." This suggests that the structure being identified is the floor of the maxillary sinus, which is repeated twice for emphasis. The use of "floor" indicates that the structure being referred to is the bottom or lower part of the maxillary sinus.Rate this question:
- 13.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The correct answer is "floor of maxillary sinus, floor of the maxillary sinus". This suggests that the structure being identified is the floor of the maxillary sinus. The repetition of the phrase "floor of the maxillary sinus" reinforces this identification.Rate this question:
- 14.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The correct answer is "floor of maxillary sinus, floor of the maxillary sinus" because the question is asking to identify the structure indicated by the white arrows. The repetition of "floor of maxillary sinus" emphasizes that this is the correct answer.Rate this question:
- 15.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The zygomatic arch is a bony structure that forms the prominence of the cheekbone. It is composed of the zygomatic process of the temporal bone and the zygomatic process of the maxilla. The zygomatic process of the maxilla is a projection of the maxilla bone that articulates with the zygomatic process of the temporal bone to form the zygomatic arch. Therefore, the correct answer includes the zygomatic arch, which is formed by the zygomatic process of the temporal bone and the zygomatic process of the maxilla.Rate this question:
- 16.
IDENTIFY THE STRUCTURE (black arrows)
Explanation
The zygomatic arch is a bony structure that connects the zygomatic process of the temporal bone and the zygomatic process of the maxilla. The zygomatic process of the maxilla is a projection of the maxilla bone that articulates with the zygomatic bone. Therefore, the correct answer is the zygomatic arch, zygomatic process, and zygomatic process of the maxilla, which all refer to different parts of the same structure.Rate this question:
- 17.
IDENTIFY THE STRUCTURE (white arrow)
Explanation
The correct answer is "hamular process." The hamular process is a small hook-shaped projection of bone that extends from the medial pterygoid plate of the sphenoid bone. It is located at the posterior end of the hard palate, near the last molar tooth. The hamular process serves as an attachment point for muscles and ligaments in the mouth and throat, contributing to the movement and stability of these structures.Rate this question:
- 18.
IDENTIFY THE STRUCTURE (black arrows)
Explanation
The correct answer is "pterygoid plates." The pterygoid plates are a pair of bony structures located in the skull, specifically in the sphenoid bone. They are shaped like wings and extend from the sphenoid bone towards the back of the skull. The pterygoid plates play a crucial role in supporting and stabilizing the skull, as well as providing attachment points for various muscles involved in chewing and swallowing.Rate this question:
- 19.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
This suture usually fuses by the end of the first year of life. Radiolucency in older patients indicates abnormality (cleft? fracture?)Rate this question:
- 20.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
Superior lingual foramen carries neurovascular bundles from the lingual arteries and nerve.
Inferior lingual foramen is supplied from sublingual or submental arteries and mylohyoid nerve.Rate this question:
- 21.
IDENTIFY THE STRUCTURE (black arrows)
Explanation
The mental ridge is a bony ridge located on the anterior surface of the mandible, while the mental protruberance is a rounded prominence located at the midline of the chin. Therefore, the mental ridge is connected to the mental protruberance, and both structures together form the chin.Rate this question:
- 22.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The correct answer is "mental foramen". The mental foramen is a small opening located on the lower jaw bone, known as the mandible. It is typically found near the premolar teeth and serves as an exit point for nerves and blood vessels that supply sensation to the lower lip and chin. The white arrows in the structure likely indicate the location or direction of the mental foramen.Rate this question:
- 23.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
contains: mental nerve and vesselsRate this question:
- 24.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
contains: inferior alveolar nerve, artery and veinRate this question:
- 25.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The structure being identified by the white arrows is the mylohyoid ridge.Rate this question:
- 26.
IDENTIFY THE STRUCTURE (white arrows)
Explanation
The correct answer is "mylohyoid ridge" because it is the structure indicated by the white arrows. The mylohyoid ridge is a bony ridge located on the inner surface of the mandible, near the midline. It serves as the attachment site for the mylohyoid muscle, which plays a role in the movement and support of the floor of the mouth.Rate this question:
- 27.
IDENTIFY THE STRUCTURE (black arrows)
Explanation
The correct answer is external oblique ridge. The external oblique ridge refers to a bony ridge located on the outer surface of the mandible. It is a prominent structure that can be felt and seen on the lower jaw. The external oblique ridge serves as an attachment site for muscles involved in chewing and jaw movement. It also provides support and stability to the lower jaw.Rate this question:
- 28.
IDENTIFY THE STRUCTURE (black arrows)
Explanation
The given answer correctly identifies the structures indicated by the black arrows. The inferior mandibular cortex refers to the lower part of the mandibular bone, specifically the outer layer of the bone. The mandibular cortex refers to the outer layer of the mandible bone in general. The inferior border of the mandible is the lower edge of the jawbone. Therefore, the answer correctly identifies the different structures indicated by the black arrows.Rate this question:
- 29.
IDENTIFY THE ANOMALY (white arrows)
- 30.
IDENTIFY THE CONDITION
Explanation
The condition being identified in this question is localized periodontitis and localized aggressive periodontitis. Periodontitis is a common gum disease that causes inflammation and damage to the tissues surrounding the teeth. It can be classified as either localized or generalized, depending on the extent of the disease. Localized periodontitis refers to the condition where the disease is limited to a specific area or few teeth. On the other hand, localized aggressive periodontitis is a more severe form of periodontitis that affects young individuals and leads to rapid destruction of the periodontal tissues.Rate this question:
- 31.
WHAT IS THE MOST LIKELY CAUSE FOR THE ANOMALY AT THE WHITE ARROW?
Explanation
The most likely cause for the anomaly at the white arrow is a combination of an overhanging restoration, a defective restoration, and the restoration itself. An overhanging restoration occurs when the dental material extends beyond the intended boundaries, causing an abnormality. A defective restoration refers to a restoration that is flawed or faulty in some way, such as improper fit or material failure. Therefore, it is likely that the anomaly at the white arrow is a result of these issues with the restoration.Rate this question:
- 32.
IDENTIFY THE ANOMALY
Explanation
A supernumerary tooth, specifically a mesiodens, refers to the presence of an extra tooth in the dental arch. This condition is considered an anomaly because it deviates from the normal dentition pattern, which typically includes 32 permanent teeth. A supernumerary tooth can cause various dental problems such as crowding, misalignment, or impaction of other teeth. Treatment may involve extraction or orthodontic intervention to ensure proper alignment and function of the teeth.Rate this question:
- 33.
IDENTIFY THE ANOMALY
Explanation
A supernumerary tooth is an extra tooth that develops in addition to the normal set of teeth. A mesiodens is a specific type of supernumerary tooth that grows in the middle of the upper jaw, between the two front teeth. This condition is considered an anomaly because it is not typical to have an extra tooth in this location. Therefore, the presence of a supernumerary tooth, specifically a mesiodens, is the anomaly in this case.Rate this question:
- 34.
IDENTIFY THE ANOMALY
Explanation
A supernumerary tooth, specifically a mesiodens, is an anomaly in dental development where an extra tooth forms in the middle of the upper jaw. This condition is considered abnormal as it deviates from the usual pattern of tooth development. The presence of a supernumerary tooth can cause various dental issues such as crowding, misalignment, and impaction of other teeth. Therefore, identifying a supernumerary tooth, especially a mesiodens, is crucial for proper dental treatment and management.Rate this question:
- 35.
IDENTIFY THE ANOMALY
Explanation
The correct answer is "macrodontia, macrodont." The anomaly in this case is that both terms "macrodontia" and "macrodont" refer to the same condition, which is the abnormal enlargement of teeth. The suffix "-ia" is commonly used in medical terminology to indicate a condition or state, while the term "macrodont" itself already implies the abnormality of enlarged teeth. Therefore, the use of both terms is redundant and unnecessary.Rate this question:
- 36.
IDENTIFY THE ANOMALY
Explanation
The anomaly in this case is the repetition of the word "microdont" in the list. It is redundant and unnecessary to include both "microdontia" and "microdont" as they essentially mean the same thing. Therefore, the correct answer is to identify this repetition as the anomaly.Rate this question:
- 37.
IDENTIFY THE ANOMALY
- 38.
IDENTIFY THE ANOMALY
- 39.
IDENTIFY THE ANOMALY
Explanation
Gemination refers to the phenomenon of a consonant being pronounced as a double or long sound. It occurs when a single consonant is repeated in a word, resulting in a longer duration of the sound. This can be observed in various languages, such as Italian, where gemination is common. For example, in the word "pizza," the "z" sound is geminated. This anomaly stands out because it deviates from the typical pronunciation of a consonant and can affect the meaning or interpretation of a word.Rate this question:
- 40.
IDENTIFY THE ANOMALY
Explanation
The anomaly in this question is that all three terms - taurodont, taurodontism, and taurodontia - are variations of the same word. They all refer to a dental condition characterized by elongated pulp chambers in the molars, resulting in a rectangular shape instead of the usual hourglass shape. The terms taurodont, taurodontism, and taurodontia are used interchangeably to describe this anomaly in dental anatomy.Rate this question:
- 41.
IDENTIFY THE ANOMALY
- 42.
IDENTIFY THE ANOMALY
Explanation
The correct answer is "dens in dente, dens invaginatus." These are both dental anomalies that involve the abnormal development of teeth. Dens in dente, also known as dens invaginatus, is a condition where the outer surface of a tooth invaginates or folds into the interior of the tooth. This can lead to the formation of a deep pit or groove on the tooth's surface, which can be prone to decay and other dental problems. Therefore, both dens in dente and dens invaginatus refer to the same dental anomaly.Rate this question:
- 43.
Radiographs that are TOO DARK are the result of what common causes (choose all that apply):
- A.
Underdeveloped (temp too low or time too short)
- B.
Overdeveloped (temp too high or time too long)
- C.
Excessive fixation
- D.
Inadequate fixation
- E.
Accidental exposure to light
- F.
Patient movement
- G.
Underexposed (mA, kVp or exposure time too low)
- H.
Overexposed (mA, kVp or exposure time too high)
- I.
Depleted/diluted/contaminated developer solution
Correct Answer(s)
B. Overdeveloped (temp too high or time too long)
D. Inadequate fixation
E. Accidental exposure to light
H. Overexposed (mA, kVp or exposure time too high)Explanation
Radiographs that are too dark can be caused by several factors. One possible cause is overdevelopment, which occurs when the temperature of the developer solution is too high or when the film is left in the developer for too long. Another cause could be inadequate fixation, where the film is not properly rinsed after development, leading to excessive darkness. Accidental exposure to light can also result in dark radiographs, as the light can affect the film's sensitivity. Additionally, overexposure, caused by using high mA, kVp, or exposure time settings, can lead to excessive darkness.Rate this question:
-
- 44.
Radiographs that are TOO LIGHT are the result of what common causes (choose all that apply):
- A.
Underdeveloped (temp too low or time too short)
- B.
Overdeveloped (temp too high or time too long)
- C.
Excessive fixation
- D.
Inadequate fixation
- E.
Accidental exposure to light
- F.
Patient movement
- G.
Underexposed (mA, kVp or exposure time too low)
- H.
Overexposed (mA, kVp or exposure time too high)
- I.
Depleted/diluted/contaminated developer solution
Correct Answer(s)
A. Underdeveloped (temp too low or time too short)
C. Excessive fixation
G. Underexposed (mA, kVp or exposure time too low)
I. Depleted/diluted/contaminated developer solutionExplanation
Radiographs that are too light can be caused by underdeveloped films, which can occur if the temperature of the developer solution is too low or if the development time is too short. Excessive fixation can also cause the radiographs to appear too light. Additionally, if the exposure settings are too low (mA, kVp, or exposure time), the resulting images may be underexposed and appear too light. Lastly, depleted, diluted, or contaminated developer solution can also lead to radiographs that are too light.Rate this question:
-
- 45.
IDENTIFY THE ANOMALY
Correct Answer(s)
taurodontia, taurodontismExplanation
Taurodontia, also known as taurodontism, is a dental anomaly characterized by an enlarged pulp chamber and short roots in the teeth. This condition affects the molars and can cause problems with tooth eruption, alignment, and stability. The anomaly is believed to be caused by a disturbance in the development of the teeth during childhood. Individuals with taurodontia may require dental treatment to address the issues caused by this anomaly.Rate this question:
- 46.
IDENTIFY THE ANOMALY
Correct Answer(s)
taurodontia, taurodontismExplanation
Taurodontia and taurodontism are both terms used in dentistry to describe a condition where the teeth have an enlarged pulp chamber and shortened roots. This anomaly results in a more rectangular shape for the affected teeth. The terms are interchangeable and refer to the same condition. The anomaly here is that the two terms are listed as separate answers when they actually refer to the same condition.Rate this question:
- 47.
IDENTIFY THE ANOMALY
Correct Answer(s)
dens in dente, dens invaginatusExplanation
The anomaly being identified in this question is "dens in dente, dens invaginatus." Dens in dente, also known as dens invaginatus, is a dental anomaly where the enamel and dentin fold into the pulp chamber, creating a pocket or invagination. This condition can lead to increased risk of dental caries, infection, and other complications.Rate this question:
- 48.
IDENTIFY THE ANOMALY
Correct Answer(s)
dens invaginatus - 49.
WHAT CONDITION DOES THIS PATIENT HAVE?
Correct Answer(s)
amelogenesis imperfectaExplanation
Amelogenesis imperfecta is a condition characterized by the abnormal development of tooth enamel. It can result in teeth that are discolored, pitted, or have a rough surface. This condition can be inherited or occur sporadically. The enamel, which is the outer layer of the teeth, is not formed properly, leading to weakened and fragile teeth. Amelogenesis imperfecta can cause dental problems such as sensitivity, increased risk of tooth decay, and difficulty chewing. Treatment options may include dental bonding, crowns, or veneers to improve the appearance and function of the affected teeth.Rate this question:
- 50.
WHAT CONDITION DOES THIS PATIENT LIKELY HAVE?
Correct Answer(s)
amelogenesis imperfectaExplanation
Amelogenesis imperfecta is a genetic disorder that affects the development of tooth enamel. It is characterized by abnormal enamel formation, resulting in teeth that are discolored, pitted, and prone to wear and breakage. This condition can cause sensitivity and aesthetic concerns. The given answer correctly identifies the likely condition based on the information provided.Rate this question:
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