Tooth Decay Tooth decay is the destruction of the enamel (outer surface) of a tooth. Tooth decay is also known as dental cavities or dental caries. Decay is caused by bacteria that collect on tooth enamel. The bacteria live in a sticky‚ white film called plaque (pronounced PLAK). Bacteria obtain their food from sugar and starch in a person’s diet. When they eat those foods‚ the bacteria create an acid that attacks tooth enamel and causes decay. Tooth decay is the second most common health
Premium Dental caries Tooth enamel
Mercury is a derivative from both natural and man-made sources and is known worldwide to be a contaminant in aquatic environments. There are multiple sources of mercury exposure. Some sources include fish consumption‚ thermometers‚ vaccinations‚ dental amalgams and the atmosphere. This paper aims to examine the correlation between prenatal and postnatal mercury exposure in children and associated neurological functioning. Neurological functioning is defined as aspects affecting behaviour‚ learning‚ motor
Premium Mercury
SCIENCE (GOVERNMENTAL MODEL QUESTION PAPER) Time Allowed :2.30 Hours] [ Maximum Marks : 75 Instruction: Check the question paper for fairness of printing. If there is any lack of fairness‚ inform the Hall Supervisor immediately. Note :This question paper contains three Sections. SECTION -I (Marks: 15) Note : i) Answer all the 15 questions. ii) Choose the correct answer from the four alternatives given in the brackets. 15 x 115 1. Theory of natural selection was proposed by (Charles Darwin
Premium Mirror
Through observing the dentists carrying out fillings‚ tooth extractions and root canals‚ I have realised the importance of having good manual dexterity. I have been doing art and crafts‚ such as knitting‚ which has improved my manual dexterity. I also noticed that the dental team worked together. This
Premium Dentistry Physician Dental implant
For an amalgam Restoration of weakened cusp you should A. B. C. Reduce cusp by 2mm on a flat base for more resistance Reduce cusp by 2mm following the outline of the cusp Reduce 2mm for retention form 3. Before filling a class V abrasion cavity with GIC you should A. B. C. Clean with pumice‚ rubber cup‚ water and weak acid Dry the cavity thoroughly before doing anything Acid itch cavity then dry thoroughly 4. Which of the following statement about the defective margins of amalgam restoration
Premium Teeth Dental caries
History & Examination Reason for attendance: Pain that had disturbed sleep Complains of: Severe pain. UL2 is tender to touch. Edentulous spaces in all quadrants History of present complaint: Patient reports that a filling was replaced in the UL2 one year ago. The tooth has felt ‘numb’ since but dental treatment was not sought. Throbbing pain started two days ago that had kept patient awake at night and UL2 is very tender to touch. Mild pyrexia reported by patient
Premium Dentistry Gingiva Dental caries
FORENSIC RADIOLOGY – AN OVERVIEW Introduction Forensic is derived from the Latin forens(is): of or belonging to the forum‚ public‚ equivalent to for(um) forum + ens — of ‚ belonging to + ic. Thus‚ The forensic sciences encompassthe application of specialized scientific and/or technical knowledge to questions of civil and criminal law‚ especially in court proceedings. Forensic Radiology usually comprises the performance‚ interpretation‚ and reportage of those radiological examinations and procedures
Premium X-ray Oral pathology Teeth
Project on : Study of Constituents of Alloys INDEX |NAME |PAGE NO. | | | | |ACKNOWLEDGEMENT
Premium Silver Copper Zinc
Matthew Johnston The use of X-Rays in Modern Dentistry Dentistry is increasingly becoming a major part of people lives in today’s society‚ being taken for granted and often little thought about. As technologies advance treatment becomes cheaper‚ quicker‚ and the outcome becomes more aesthetically pleasing and longer lasting. As braces‚ dentures‚ crowns‚ procedures and techniques change and improve at an alarming rate‚ one aspect has remained the same for a longer period of time. This is the use
Premium Ionizing radiation X-ray Gamma ray
changes B).Thermal i. Heat from cavity prepration‚ at either high or low speeds. ii. Exothermic heat from setting of cement. iii. Conduction of heat or cold through deep filling without a protective base. iv. Frictional heat caused by polishing a restoration. C).Electrical {galvanic current from different metallic fillings} 2. Chemical i. Phosphoric acid‚ acrylic monomer etc. ii. Erosion 3.Bacteria i. Toxins associated with caries. ii. Direct invasion of pulp from caries or trauma. iii
Premium Teeth Dental caries