Study Notes

Casting ring CASTING RING LINERS Most common way to provide investment expansion is by using a liner in the casting ring .Traditionally asbestose was used . Non asbestose ring liner used are : 1) Aluminosilicate ceramic liner . 2) Cellulose paper liner . The aim of using a resilient liner is to -. allow different types of investmentbexpansion (act as a cushion) _. facilitate venting during casting procedure. _. facilitate the removal of the investme…

Distoangular Impaction Distoangular impaction refers to the position of a tooth, typically a third molar (wisdom tooth), that is angled towards the back of the mouth and the distal aspect of the mandible. This type of impaction is often considered one of the most challenging to manage surgically due to its orientation and the anatomical considerations involved in its removal. Characteristics of Distoangular Impaction Pathway of Delivery: …

- The forehead is formed by the smooth, broad, convex plate of bone called the frontal squama. - In foetal skulls, the halves of the frontal squama are divided by a metopic suture. - In most people, the halves of the frontal bone begin to fuse during infancy and the suture between is usually not visible after 6 years of age. - The frontal bone forms the thin roof of the orbits (eye sockets). - Just superior to and parallel with each supraorbital margin is a bony…

Biochemical examination This is a method by which the metabolic disturbances of disease are investigated by assay of various normal and abnormal compounds in the blood, urine, etc.…

The clinical implications of an edentulous stomatognathic system are considered under the following factors: (1) modi?cations in areas of support . (2) functional and parafunctional considerations. (3) changes in morphologic face height, and temporomandibular joint (TMJ). (4) cosmetic changes and adaptive responses Support mechanism for complete dentures Mucosal support and masticatory loads - The area of mucosa available to receive the load from comp…