Hand Wrist Radiography Write short note on hand-wrist radiograph. Answer. Hand-wrist region is made by multiple small bones which show a predictable and scheduled pattern of appearance, ossification and union from birth to maturity. So by merely comparing patient’s hand wrist radiograph with standard radiographs which represent different skeletal ages, one can be able to … [Read more...] about Hand Wrist Radiography
Orthodontics
Factors Affecting Retention And Relapse In Orthodontics
Factors Affecting Retention And Relapse In Orthodontics Permanent Retention "What are the factors affecting retention and relapse in orthodontics?" Permanent Retention is also known as prolonged retention. Cases in which permanent retention should be given are: In severe rotations. In midline diastema cases Patients having abnormal musculature as well as tongue … [Read more...] about Factors Affecting Retention And Relapse In Orthodontics
Begg’s Retainer in Orthodontics
Begg's Retainer Write short note on Begg’s retainer. Answer. "Understanding the role of Begg’s Retainer in post-treatment stability" Begg’s retainer as the name suggests, was given by PR Begg. Begg’s retainer is also known as circumferential maxillary retainer. "Common challenges in using Begg’s Retainer effectively" In Begg’s retainer labial bow extends … [Read more...] about Begg’s Retainer in Orthodontics
Contemporary Removable Appliances
Contemporary Removable Appliances Question 1. Write short note on various removable appliances used for retention. Answer. Following are the removable appliances which are used for retention: "Importance of studying contemporary removable appliances for better outcomes" Hawley’s retainer Begg’s retainer Spring retainer Clip-on retainer/Spring retainer … [Read more...] about Contemporary Removable Appliances
Theorems Of Retention In Orthodontics
Theorems Of Retention In Orthodontics Theorems of Retention Riedel had given 9 theories of retention and Moyers put forward the 10th theory which are as follows: Theorem 1 ‘Teeth that have been moved tend to return to their former Position’. Orthodontically moved teeth have tendency to move back to their original position after orthodontic treatment. Causes … [Read more...] about Theorems Of Retention In Orthodontics