Pathology OSCE Exam Study Guide with
Complete Solutions Latest 2023
An odontogenic keratocyst - Correct Answer Age: 63
Sex: M
Race: Caucasian
Chief Complaint: "My tooth's suddenly become loose in the lower left area."
Current Medication: Insulin therapy
Medical History: patient has a history of type I diabetes, severe renal insufficiency requiring dialysis, and mitral valve prolapse
Radiographic Appearance of Lesion:
multilocular, radiolucent lesion is seen in seen in the posterior mandible. Mandibular 2nd and 3rd molars exhibit resorption of tooth structure.
Based upon their multilocular radiographic appearance this lesion is
a. Cementoma
b. A squamous cell carcinoma
c. A periapical pathosis
d. An odontogenic keratocyst
Mandibular Tori - Correct Answer Age: 40
Sex: F
Race: Caucasian
Medical History: No significant findings.
Related Dental History: These "hard bumps" as described by the patient, located on the lingual aspect of the mandible in that area of the premolars, have been present for several years and no changes have occurred.
Clinical Appearance: Bilateral, lobulated bony hard areas of dense bone are covered by normal mucosa and are located on the lingual aspect of the mandible in the area of the premolars.
The dental hygiene diagnoses for this bony lesion is determined through a clinical evaluation. it is a:
a. Mandibular Tori
b. Retrocuspid papillae
c. Impacted mandibular molar
d. Old done Toma
internal resorption - Correct Answer Age: 46
Sex: M
Race: Caucasian
Medical History: patient has history of high blood pressure.
Current Medication: Lotensin Related Dental History: no significant dental-related information was noted.
Radiographic Appearance of lesion: A localized, diffuse radiolucency that extends beyond the confines of the plural area is seen in the maxillary first molar.
This condition is most often asymptomatic. Radiographic diagnosis provides sufficient information to establish the diagnosis. This condition is called
a. Odontoma
b. Internal resorption
c. Dens in dente
d. Calcified pulp
Calcium channel blocker - Correct Answer Age: 58
Sex: F
Race: Caucasian
Medical History: patient has a 2-year history of high blood pressure.
Medication: Patient has been taking Nifedipine (Procardia); the dosage has increased overtime from 30 to 90mg
Related Dental History: Poor oral hygiene partly associated with gingival enlargement.
Clinical Appearance: Generalized fibrotic pink to erythematous enlargement of the papillary gingiva is noted.
What is a most likely cause of the gingival enlargement observed in this patient?
a. A poor oral hygiene
b. Calcium channel blocker c. The use of an electric toothbrush
d. Beta blocker medication
necrotizing ulcerative gingivitis (NUG) - Correct Answer Age: 19
Sex: M
Race: Caucasian
Chief complaint: "My gums are sore, and I have been under significant stress at collage.
I have a bad taste in my mouth and bad breath."
Medical History: The patient present with allergies that occasionally cause mouth breathing.
Related Dental History: The patient's last dental examination was about 1 year before. Several carries lesions were restored. He had no gingival or periodontal problems at that time.
Clinical Appearance: The gingiva in this patient appears edematous and erythematous with created or "punched-out" interdental papillae.
This painful gingival condition, caused by fusiform bacilli and spirochete, involves ulcerations on the lining of the sulcus. This condition is called: a. necrotizing ulcerative gingivitis (NUG)
b. Candidiasis
c. Acute osteomyelitis
d. allergic reaction
Purilis - Correct Answer Age: 36
Sex: M
Race: Caucasian Medical History: No significant findings
Related Dental History: No significant findings
Related Dental History: Patient states that a "pimple" has been present on his gum in the lower left area for some time. A large, old MOD amalgam with an open margin is seen on tooth number 19. Patient has not been to the dentist in several years.
Clinical Appearance: An exophytic sessile-based erythematous lesion is noted on buccal aspect of the mandibular first molar. As pressure is applied to this area, a purulent exudate is seen.
On the basis of the clinical features and the purulent exudate, you suspect that this lesion is:
a. Ranula
b. Parulis
c. A fibroma
d. Local edema
Bullimia - Correct Answer Age: 34
Sex: F
Race: Caucasian
Chief Complaint: "My teeth are sensitive to hot and cold temperatures and I have tooth pain."
Medical History: Patient reported that can't medical history.
Related Dental History: the patient states that previous dental examinations have revealed extensive wearing away of her teeth.
Clinical appearance: legal aspect of maxillary anterior teeth revealed significan mesial to distal dimension of teeth are also eroded with chipped incisal edges resulting in open contacts.
You suspect that the appearance of her teeth is due to an eating disorder. The eating disorder that causes irritation of the oral mucosa and lips, erosive tooth wear, and dental caries, especially involving the lingual aspect of the maxillary anterior teeth, describes which of the following conditions?
a. Anorexia nervosa
b. Phenol erosion
c. Liquid diet protocol
d. Bulimia
Complete Solutions Latest 2023
An odontogenic keratocyst - Correct Answer Age: 63
Sex: M
Race: Caucasian
Chief Complaint: "My tooth's suddenly become loose in the lower left area."
Current Medication: Insulin therapy
Medical History: patient has a history of type I diabetes, severe renal insufficiency requiring dialysis, and mitral valve prolapse
Radiographic Appearance of Lesion:
multilocular, radiolucent lesion is seen in seen in the posterior mandible. Mandibular 2nd and 3rd molars exhibit resorption of tooth structure.
Based upon their multilocular radiographic appearance this lesion is
a. Cementoma
b. A squamous cell carcinoma
c. A periapical pathosis
d. An odontogenic keratocyst
Mandibular Tori - Correct Answer Age: 40
Sex: F
Race: Caucasian
Medical History: No significant findings.
Related Dental History: These "hard bumps" as described by the patient, located on the lingual aspect of the mandible in that area of the premolars, have been present for several years and no changes have occurred.
Clinical Appearance: Bilateral, lobulated bony hard areas of dense bone are covered by normal mucosa and are located on the lingual aspect of the mandible in the area of the premolars.
The dental hygiene diagnoses for this bony lesion is determined through a clinical evaluation. it is a:
a. Mandibular Tori
b. Retrocuspid papillae
c. Impacted mandibular molar
d. Old done Toma
internal resorption - Correct Answer Age: 46
Sex: M
Race: Caucasian
Medical History: patient has history of high blood pressure.
Current Medication: Lotensin Related Dental History: no significant dental-related information was noted.
Radiographic Appearance of lesion: A localized, diffuse radiolucency that extends beyond the confines of the plural area is seen in the maxillary first molar.
This condition is most often asymptomatic. Radiographic diagnosis provides sufficient information to establish the diagnosis. This condition is called
a. Odontoma
b. Internal resorption
c. Dens in dente
d. Calcified pulp
Calcium channel blocker - Correct Answer Age: 58
Sex: F
Race: Caucasian
Medical History: patient has a 2-year history of high blood pressure.
Medication: Patient has been taking Nifedipine (Procardia); the dosage has increased overtime from 30 to 90mg
Related Dental History: Poor oral hygiene partly associated with gingival enlargement.
Clinical Appearance: Generalized fibrotic pink to erythematous enlargement of the papillary gingiva is noted.
What is a most likely cause of the gingival enlargement observed in this patient?
a. A poor oral hygiene
b. Calcium channel blocker c. The use of an electric toothbrush
d. Beta blocker medication
necrotizing ulcerative gingivitis (NUG) - Correct Answer Age: 19
Sex: M
Race: Caucasian
Chief complaint: "My gums are sore, and I have been under significant stress at collage.
I have a bad taste in my mouth and bad breath."
Medical History: The patient present with allergies that occasionally cause mouth breathing.
Related Dental History: The patient's last dental examination was about 1 year before. Several carries lesions were restored. He had no gingival or periodontal problems at that time.
Clinical Appearance: The gingiva in this patient appears edematous and erythematous with created or "punched-out" interdental papillae.
This painful gingival condition, caused by fusiform bacilli and spirochete, involves ulcerations on the lining of the sulcus. This condition is called: a. necrotizing ulcerative gingivitis (NUG)
b. Candidiasis
c. Acute osteomyelitis
d. allergic reaction
Purilis - Correct Answer Age: 36
Sex: M
Race: Caucasian Medical History: No significant findings
Related Dental History: No significant findings
Related Dental History: Patient states that a "pimple" has been present on his gum in the lower left area for some time. A large, old MOD amalgam with an open margin is seen on tooth number 19. Patient has not been to the dentist in several years.
Clinical Appearance: An exophytic sessile-based erythematous lesion is noted on buccal aspect of the mandibular first molar. As pressure is applied to this area, a purulent exudate is seen.
On the basis of the clinical features and the purulent exudate, you suspect that this lesion is:
a. Ranula
b. Parulis
c. A fibroma
d. Local edema
Bullimia - Correct Answer Age: 34
Sex: F
Race: Caucasian
Chief Complaint: "My teeth are sensitive to hot and cold temperatures and I have tooth pain."
Medical History: Patient reported that can't medical history.
Related Dental History: the patient states that previous dental examinations have revealed extensive wearing away of her teeth.
Clinical appearance: legal aspect of maxillary anterior teeth revealed significan mesial to distal dimension of teeth are also eroded with chipped incisal edges resulting in open contacts.
You suspect that the appearance of her teeth is due to an eating disorder. The eating disorder that causes irritation of the oral mucosa and lips, erosive tooth wear, and dental caries, especially involving the lingual aspect of the maxillary anterior teeth, describes which of the following conditions?
a. Anorexia nervosa
b. Phenol erosion
c. Liquid diet protocol
d. Bulimia
