Molars
Premolars
Canines
Incisors
Deciduous
100
Chief complaint: Please excuse my sunglasses. I had an eye doctor appointment before my dentist appointment, and the optometrist put in drops to dilate my eyes.
If your patient takes off her glasses, the brightness of the light in the room will be transmitted by which nerve?
Optic nerve
100
Patient: 8-year-old female
Chief complaint: "Here for a check up"
Background/or patient history: Patient presenting for routine dental care, healthy/non-contributory medical history, no medications, no known allergies. Has had a history of emergency dental visits.
Current Findings:
Based off of the included image, which of the following best summarizes the patient's caries status?
This patient has no clinically visible cavitated lesions but has evidence of an active caries process
100
Patient: Male, 22-years
Chief complaint: Requests routine checkup.
Background: Recently moved to your town and seeks regular care. He has no relevant medical history.
Current Findings: The patient has good oral hygiene and low caries experience. Several of his posterior teeth have been fissure sealed. You notice that his tooth #T is present, so that in this quadrant there appears to be one premolar, and three molars. Radiographs show that all third molars are absent, and there are no unerupted teeth. The patient was aware that he still had a "baby tooth", but it has never bothered him.
The retained deciduous molar indicates the absence of tooth
#29
100
A hand sanitizer would not be effective if?
Hands were bloody, and /or covered with foreign substance
100
Patient: Female, 27 year old
Chief complaint: Patient: "I have pain on my wisdom teeth "
Background/or patient history: Patient reports pain on third molars, which is more significant on the mandibular right third molar and maxillary left third molars. There is no history of extraction of third molars.
Current Findings: on clinical evaluation, teeth # 1 and #16 are erupted. Tooth #17 is impacted. Part of the crown of tooth #32 is erupted in the mouth. The tissue overlying the crown appears to be inflamed.
Based on the patient's history and clinical findings, what is the best imaging for evaluation of the patient's chief complaint?
Panoramic
200
Which of the following substances is the predominant source of ATP at MODERATE levels (for greater than 60 minutes) of activity?
Fatty acids
200
What is the name of the structure labeled A in the attached image?
Pterygomaxillary fissure
200
Patient: 52-year-old white male.
Chief complaint: "Suddenly I can't move half my face or close my eye and my ear is ringing! Everything has less taste. My mouth is a little dry."
Background/or patient history: Not applicable.
Current Findings: Symptoms appeared suddenly. Facial paralysis on the left half of the face, including the forehead. The patient has tenderness posterior to his left ear. Eyes are moist.
Which nerve do you suspect has a lesion?
Facial nerve
200
Patient: 48-year-old woman
Chief complaint: I can't really see well out of my right eye. My eyelid has been drooping since I woke up this morning.
Background/Patient history: Patient got Botox (botulism toxin) injections in her forehead one day prior.
The symptom described by your patient is called:
Ptosis
200
Effective communication has all of the following benefits for dentists except:
Reduced overhead expenses
300
Patient: A 4-year old male patient
Chief complaint: Recurrent infections and mucus discharge on the surface of the neck
Background:
Current Findings: The doctor noticed an opening on a side of the neck directly anterior to the sternocleidomastoid muscle. An endoscopic surgery was recommended to close this opening by laser cauterization.
This conditioned is called?
Branchial fistual
300
According to the Center for Disease Control and Prevention, what percentage of US adults have some type of disability?
26%
300
Patient: 19-year-old female
Chief complaint:"The back of my mouth hurts."
Background: No significant history.
Current Findings: Tooth number 32 (right mandibular 3rd molar) is impacted. The tooth needs to be extracted; you administer lidocaine with epinephrine to prepare for surgical extraction.
What is the likely effect of the lidocaine?
Keeps the sodium channel closed
300
Calcium stimulates muscle contraction. Its effect is mediated through binding to which of the following?
Troponin C
300
Multiple congenitally missing teeth are associated with?
Ectodermal dysplasia
400
Patient: Female, 38-years-old.
Chief complaint: "I was chewing and part of my tooth broke."
Background/or patient history: Your patient is a regular attender, maintains good oral hygiene, and has a low cries risk. There are no relevant medical factors. She has a large mesio-occlusal (MO) composite restoration in tooth #3. This was placed by a previous dentist at least eight-years ago.
Current Findings: Apart from a sharp edge which is uncomfortable on her cheek, the patient has no symptoms. On examination, you find the mesiobuccal cusp of tooth #3 has fractured off supragingivally. The tooth is vital and there is no evidence of caries. The occlusion is class I. After a discussion, you and your patient elect to restore tooth #3 today with a direct composite resin restoration, on the understanding that she will return in the coming months to restore the tooth definitively with a more durable ceramic restoration.
In the fractured tooth, which cusp has two triangular ridges?
Mesiolingual
400
Chief complaint:"I've been getting blisters in my mouth for a few months. They hurt, especially if I eat hot or spicy foods."
Background: UV light treatment on face, upper limbs, and lower limbs to treat eczema.
Current Findings: Generalized gingival and palatal erythema (redness). Multiple blisters and erosions. Epithelium peeled off of labial mucosa when pressure was applied. Biopsy confirms diagnosis of mucous membrane pemphigoid. This is an autoimmune disorder in which antibodies attack type XVII collagen, a molecule that attaches epithelial cells to the basement membrane.
Which type of cell junction is most likely to be affected by the disease?
Hemidesmosome
400
Patient: 62-year-old African- American female
Chief complaint:"It's excruciating to brush my teeth and it's gotten so bad that even my face hurts. It feels like I'm getting an electric shock and then I don't have any pain for a while." She says the pain is limited to the right side.
Background: The patient has been to another dentist who performed a root canal on her 2nd maxillary molar, but this procedure did not lessen the pain. Medications: Extra Strength Tylenol
Current Findings: Light touch to the patient's upper lip elicits a strong pain response. A light touch on her forehead, the tip of her nose, chin and lower lip do not elicit a pain response. You send her to get an MRI and cranial angiogram.
Which of the following is the most likely diagnosis?
Trigeminal neuralgia
400
Patient: 42-year-old Caucasian female
Chief complaint: "I've been having difficultly swallowing."
Background: No relevant patient history.
Current Findings: You notice ptosis of both eyelids and some slurring of words. The patient says that her arms feel weak and her vision is sometimes blurry. She says her symptoms tend to get worse at bedtime.
You tell the patient she might have myasthenia gravis.
If your diagnosis is correct, what is the cause of your patient's disease?
Antibodies that block acetylcholine receptors
400
Patient: 19-year-old female
Chief complaint:"The back of my mouth hurts."
Background: No significant history.
Current Findings: Tooth number 32 (right mandibular 3rd molar) is impacted. The tooth needs to be extracted; you administer lidocaine with epinephrine to prepare for surgical extraction.
Which of the following nerves will need to be anesthetized?
Lingual (CN V3)
IAN (CN V3)
Long buccal (CN V3)
500
Patient: 23-year-old Asian American male
Chief complaint:"About three hours ago a crazy guy came up to me on the street and hit me in the head with a bottle. I felt okay at first, but now I feel dizzy and nauseous."
Background: Not applicable.
Current Findings: Swelling on the right side of the patient's head, superior and anterior to his ear. He is slurring his speech. The results of an MRI indicate an epidural bleed.
The hemorrhage is located between which two types of tissue?
Dense connective tissue and compact bone (epidural bleed)
500
Patient: 2 week-old new-born male
Chief complaint: The patient's parents are concerned with the infant poor appetite, distended abdomen and infrequent bowel movements.
Background: None
Current Findings: Abdominal radiograph shows a dilated distal colon. Rectal suction biopsy confirms the absence of ganglion cells in the wall of the intestine.
The patient is likely suffering from which condition?
Aganglionic megacolon
500
The correct order for most commonly missing teeth to least common is?
Third molars; mandibular second premolars; maxillary laterals; mandibular centrals
500
About the Patient: 70-year-old female
Background/Patient History: The patient has been missing her right maxillary molars and premolars for 8 years and has been wearing dentures.
Chief Complaint: I have a lot of trouble with my upper dentures and would like to get an implant.
Current Findings: Your order x-rays.
Blood supply for this area will come from which arteries? (Select all correct choices)
- Sphenopalatine artery
- Incisive artery
- Postery superior alveolar artery
- Maxillary artery
Maxillary artery and Posterior superior alveolar artery
500
What is Thuy's Vietnamese zodiac animal?
Tiger