INTENSIFYING SCREEN 1) Definition: It is a device that transfers X-ray energy into visible light; the visible light, in turn exposes the screen film. These screens intensify the effect of X-rays on the film, thus less radiation required to expose a screen film, thus less […]
IMPORTANT VIVA QUESTIONS CONTD… Q1. What is meant by establishing outline form? Ans. Establishing outline form means: Placing the preparation margins in the positions they will occupy in the final preparation for finishing enamel walls and margins Preparing an initial depth of 0.2-0.8mm pulpally of the DEJ Q2. What are the factors determining the outline […]
IMPORTANT VIVA QUESTION AND ANSWERS Q1. Define operative dentistry? Ans – Operative dentistry is the art and science of diagnosis, treatment and prognosis of teeth that do not require full coverage restoration for correction. such treatment should result in the restoration of proper tooth form, function and esthetics while maintaining the physiologic integrity of teeth […]
Jackson’s Triad The aims and the objectives of orthodontics have been summarized by Jackson as Jackson’s triad. The three main objectives of orthodontic treatment are: Functional efficiency Structural balance Esthetic harmony Functional efficiency: Many malocclusion affect normal functioning of the stomatognathic system Thus, the orthodontic treatment aim at improving the functioning of oro-facial apparatus […]
ANATOMICAL LANDMARKS ON PANORAMIC RADIOGRAPHY **Enumerate all radiolucent anatomical landmarks visible on a panoramic radiograph Bony landmarks of the maxilla and surrounding structures: External auditory meatus (external acoustic meatus) Pterygomaxillary fissure Infraorbital foramen Orbit Incisive canal ( Nasopalatine canal) Incisive foramen ( Nasopalatine foramen) Nasal cavity Maxillary sinus and floor of the maxillary sinus […]
Facebow: An instrument used to record the spatial relationship of the maxillary arch to some anatomic reference point or points and then transfer this relationship to an articulator; it orients the dental cast in the same relationship to the opening axis of the articulator; customarily the anatomic references are the mandibular transverse horizontal axis and […]
Prosthodontics definitions: Ante’s law: In fixed partial denture(FPD) prosthodontics for the observation that the combined pericemental area of all the abutment teeth supporting a fixed partial denture should be equal to or greater in pericemental area than the tooth or teeth being replaced; as formulated for (RPD)removable partial denture prosthodontics the combined pericemental area of […]
CLASSIFICATION OF SALIVARY GLAND DISORDERS 1)DEVELOPMENTAL DISORDERS Aberrancy (ectopic gland) Aplasia(absence of glands) and hypoplasia Atresia (absence of ducts) Hyperplasia Diverticuli Accessory ducts Congenital fistula 2)FUNCTIONAL DISORDERS Sialorrhoea Xerostomia 3)OBSTRUCTIVE DISORDERS Sialolithiasis Mucus plug Foreign bodies Structure and stenosis Extraductal causes 4)CYST Mucocele Ranula 5)ASYMPTOMATIC ENLARGEMENT Sialosis Allergic Associated with malnutrition and alcoholism 6)INFECTION Viral […]
DENTAL ETHICS: Dental ethics means moral duties and obligations of the dentist towards his patients, professional colleagues and to the society. Code of ethics was framed by the DCI in 1975 Later notified by Government of India as “Dentists (code of ethics) Regulations 1976 It is in force from August 1976 Principles: 1. To do […]
DENTAL ETHICS: Definitions: Dental ethics means moral duties and obligations of the dentist towards his patients, professional colleagues and to the society. -Code of ethics was framed by the DCI in 1975 -Later notified by Government of India as “Dentists (code of ethics) Regulations 1976 -It is in force from August 1976 Principles: To do […]