Dentosphere : World of Dentistry

#MCQ 25- The best method to prevent initiation of caries in a four year old child who has no accessibility to community water fluoridation is: A. Brushing and flossing B. 2.2 % NaF Tablet daily C. 0.05% NaF Mouthwash daily D. 0.5% NaF toothpaste daily Answer: B. 2.2 % NaF Tablet Daily Option 'A' - Adequate Dexterity for proper toothbrushing isn't developed until 10-12 years of age as brushing is a complex skill. For flossing, an adult should perform flossing on the child. Option 'C' - Fluoride mouth rinses should not be used by children below 6 years as they are not capable of rinsing adequately due to lack of reflex control of swallowing. Option 'D' - Sodium Fluoride Dentifrices failed to show significant caries reduction. The world's most widely used fluoride is combination of sodium monofluorophosphate (MFP) and insoluble metaphosphate. Currently available dentifrices contain 900 or 1000 ppm (0.76% Sodium MFP) for adults and 500 ppm flu...

#MCQ 24 : Dental Stone and Dental Plaster both have a slightly different type of principal component (Calcium sulfate hemihydrate). Dental Plaster has: A. Beta-hemihydrate and dental stone has gamma hemihydrate B. Alpha hemihydrate and dental stone has beta hemihydrate C. Gamma hemihydrate and dental stone has beta hemihydrate D. Beta hemihydrate and dental stone has alpha hemihydrate Answer D. Dental Plaster has beta hemihydrate and dental stone has alpha hemihydrate. CLICK HERE TO VIEW  ALL MCQS

The six Key Principles of Ethics in Healthcare Delivery are: - N on Maleficence - B eneficence - Ve racity (truthfulness) - Confiden tiality - R espect for the person - J ustice This can be memorised with the help of Mnemonics: @ N irmal B aba is V ery Confident RJ (Radio Jockey). OR Naughty Boy is Very Confident RJ.

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...