Dentosphere : World of Dentistry

# Space maintainers are usually needed in the: A. Mandibular primary incisor teeth area B. Mandibular primary canine teeth area C. Mandibular primary second molar area D. Maxillary primary incisor area # The term space maintenance refers to: A. the preservation of space for a permanent tooth in a child's mouth B. the preservation of total arch length or of all the permanent teeth in the arch in a child's mouth C. the preservation of mesial drift after the loss of a tooth D. none of the above

Due  to  widespread  screening services  more and more cases of the dreadful cancer are being recorded. Cancer represents Australia’s greatest disease burden, ahead of cardiovascular disease. Cancer is a disease associated with ageing. With the number of people aged over 65 years set to double by 2051, cancer incidence is projected to continue rising. (Ref : 1) Current evidence indicates that approximately one-third of cancer deaths in Australia can be attributed to known and avoidable risk factors. Appropriate prevention strategies have the potential to reduce cancer incidence.

# Obturation of a root canal should achieve: A. Tug back B. Hermetic seal C. Fluid free seal D. All of the above # The purpose of a root canal sealer is to: A. seal the tubules of the dentine B. stimulate healing in periapical region C. prevent discoloration D. fill the space between solid core material and pulp canal walls

# The treatment of acute periapical abscess is: A. Endodontic therapy or extraction B. Incision and drainage only C. Pulp capping D. None of the above # Internal resorption in a tooth is seen as: A. Ca(OH)2 pulpotomy B. Replacement resorption C. Non-proliferating lesion D. Desensitizing tooth # The initial pulpal response to any insult is: A. Necrosis B. Ulceration C. Calcification D. Inflammation # Patient reports with severe throbbing pain in relation to mandibular second molar. The tooth is sensitive to both hot and cold food and elicits a painful response on percussion. What would be your treatment of choice? A. Incision and drainage of periapical area B. Endodontic therapy C. Indirect pulp capping D. Partial pulpectomy # The most important aspect of emergency treatment for an acute apical abscess is to: A. Produce sedation B. Obturation C. Establish drainage ...

# What percentage of mandibular first molars have two distal canals? A. 10 % B. 30 % C. 60 % D. 75 % # Two canals are most often seen in the: A. Maxillary canine B. Mandibular canine C. Maxillary lateral incisors D. Mandibular first premolar

# All of the following are contraindications for root planing except: A. deficient or overhanging margins of amalgam restorations B. erosion and/or abrasion C. recession D. root caries # While sharpening curettes and sickles, the internal angle of ________ must be preserved between the face and lateral surface. A. 50-60 B. 60-70 C. 70-80 D. 80-90

Though we all are aware of the fact that prevention is better and cheaper than cure and it is prudent to take preventive measures in health care rather than curing once we are afflicted by the disease, we seldom apply that in our practice. It is good to see that people are oriented more towards preventive measures and have started to get regular health check up and dental check ups these days. Even the children are getting more care than they used to get in the past, may be because of awareness, availability of health care facilities, or rise in the economic standard of the households. People may not have idea about how they should take care of their child's teeth even if they are willing to. This short article attempts to address the concerns of such parents. 1. When should the first dental visit be? This is a common question people are unsure about. When should they take their children to the dentist ? The first dental visit should be at around the time of eruption of first ...