Dentosphere : World of Dentistry

NOTE: It has been proved that you will retain more of what you study if you test yourself immediately after studying. For that, Watch this Video and Study all the MCQs first and then Test yourself by taking the Quiz below. # In a double blind study, true is: A. The research investigator is blind to the dependent and independent variable. B. The subject and the examiner do not know the details of the study C. The subject in the study do not know the examiner doing the study D. Only the examiner knows the group to which the subject belongs # The study which proceeds from cause to effect: A. Retrospective B. Cohort C. Case Control D. Descriptive

#MCQ 23: The tobacco preparation mainly used to clean the tooth is: A. Dhumti B. Mishri C. Khaini D. Mawa Answer: B. Mishri Mishri or Masheri is prepared by roasting tobacco on a hot metal plate until it is uniformly black. It is then powdered. It is used with or without catechu. Catechu is a residual obtained by soaking the heartwood of the tree Acacia catechu or Acacia suma in boiling water. It is used primarily to clean the teeth. CLICK HERE TO VIEW  ALL MCQS

#MCQ 22 : Screening for oral cancer comes under which level of prevention? A. Primary Prevention B. Secondary Prevention C. Tertiary prevention D. Primordial prevention Answer: B. Secondary Prevention Periodic screening and referral, and provision of dental services are services provided by the community for Secondary Prevention of Oral Cancer (Early Diagnosis and Prompt Treatment). Reference: Essentials of Public Health Dentistry, 5th Edition, Soben Peter, Page 342 CLICK HERE TO VIEW  ALL MCQS

17th FEB 2019 B.P. Koirala Institute of Health Sciences, Dharan, Nepal 5th year BDS IX Semester Internal Assessment, February 2019 Paper - IV  (ORAL & MAXILLOFACIAL SURGERY) Time - 1 Hour 20 minutes  Total Marks: 60 SHORT ANSWER QUESTIONS SECTION - 'A' Maximum Marks - 30 1. Write a note on embryological aspects specific to cleft lip and palate.   (4) 2. Discuss briefly on different types of dislocation and enumerate the surgical procedures for the management of chronic recurrent temporomandibular joint dislocation. (3+3=6) 3. Mention the difference between the ridge extension and ridge augmentation procedure based on their indication. Describe any one ridge extension procedure. (1+4=5) 4. Write down the regimen for antibiotic prophylaxis for infective endocarditis and enlist the cardiac conditions requiring infective endocarditis prophylaxis. (2+4=6) 5. Write a note on the measures to be considered after exposure to a kn...

15th FEB 2019 B.P. Koirala Institute of Health Sciences, Dharan, Nepal 5th year BDS IX Semester Internal Assessment, February 2019 Paper - III  (CONSERVATIVE DENTISTRY AND ENDODONTICS) Time - 1 Hour 20 minutes  Total Marks: 60 SHORT ANSWER QUESTIONS SECTION - 'A' Maximum Marks - 30 1.  Discuss Gingival Marginal Trimmer with its number, use, and way to identify the sides.   (5) 2. Discuss the component present in 5th generation Bonding agent, Hybrid layer and ways to get a better Hybrid layer. (5) 3. Discuss the management of mercury pertaining to environmental issues using a flow chart. (5) 4. Write briefly about lateral condensation. (5) 5. What is crown down preparation of the root canal? (5) 6. What Precautions are to be taken to prevent ledging and apical transportation of root canals? (5) SECTION 'B' MODIFIED ESSAY QUESTIONS Maximum Marks: 30 I. A 42-year female patient visited dental OPD with severe s...

#MCQ 21- During the Master cone fitting procedure in the endodontic treatment of a patient's tooth, the patient says he has a "sharp shooting pain in the same tooth that ached earlier". What should be your response and why? A. Continue with obturation, the anesthetic is simply wearing off B. Continue with obturation, this is a normal complaint during this part of the procedure C. Consider looking for an accessory canal and re-filing, there is likely pulpal tissue that has not been properly debrided D. Irrigate further, the Sodium Hypochlorite should take care of this problem E. Temporize the tooth and obturate at a later date Answer: C. Consider looking for an accessory canal and re-filing, there is likely pulpal tissue that has not been properly debrided This indicates inadequate debridement, as a pulpless tooth should not respond to any stimuli. The most important consideration before filling a root canal is proper cleaning (debridement)and shaping (instru...

MOST COMMON: 1. The most common cause of anemia is iron deficiency due to decreased intake of essential compounds, viz. vitamin B1, B6, B12, iron, vitamin C. 2. The most commonly used Bard Parker Blade handle in oral surgery is no. 3. 3. Lagenbeck's retractor is the most commonly used retractor in oral surgery. 4. There are three work principles applicable to the elevators, viz. Lever principle, Wedge principle and Wheel and axle principle. Lever principle is the most commonly used principle. 5. The half circle curved needles are the most commonly used needles in oral surgical procedures. 6. Vicryl plus antibacterial suture is the world’s first and only antibacterial suture, which offers protection against bacterial colonization of the suture. It contains Triclosan which is a broad spectrum antibacterial agent and effective against the most common pathogens associated with surgical site infections. 7. Interrupted Suture is the most commonly used Suture. 8. Tetracyc...