Home / 2010 / December (page 2)

Monthly Archives: December 2010

Viral exanthem

Viral exanthem is described as a condition affecting children as well as adults and it is identified by the presence of rash that is caused by a virus. Since there are many types of rashes affecting infants, it is difficult to identify the exact cause of the rash. The clinical …

Read More »

Precarinal adenopathy

Precarinal adenopathy or precarinal lymphadenopathy refers to the adenopathy relating to the precarinal area. The precarinal area lies in the chest cavity and roughly between the division of the wind pipe and behind sternum (breast bone). In simple terms it means the entire chest and lungs area. Precarinal lymph nodes …

Read More »

Chernobyl mutations

Radiation may result in serious diseases and even death. Chernobyl mutations occurred in the newborns near that region due to the explosion in which many lives were lost. Any nuclear explosion results in a blast, there is a lot of heat as well as exposure to radiation. Because of the …

Read More »

Bruxism

bruxism

Bruxism can be defined as the grinding of teeth for non-functional purposes. Some authors refer to nocturnal grinding as bruxism while the term bruxomania is given for grinding during the day time. Para function is abnormal function, as in bruxism. Bruxism (tooth grinding, occlusal neurosis) is a habit of grinding, …

Read More »

Tongue thrust

Tongue thrust is defined as a condition in which the tongue makes contact with any teeth anterior to the molars during swallowing. Etiology of tongue thrust Fletcher has proposed the following factors as being the cause for tongue thrusting. Genetic factors: They are specific anatomic or neuromuscular variations in the …

Read More »

Etiology of malocclusion (local factors)

The local factors responsible (Etiology of malocclusion) to produce a localized effect confined to one or more adjacent or opposing teeth. Anomalies in Number of Teeth in etiology of malocclusion In order to achieve good occlusion, the normal number of teeth should be present. Presence of extra teeth or absence …

Read More »

Classification of malocclusion

The Classification of Malocclusion has been done by many and is given in detail below: Angle’s System of classification of malocclusion Edward Angle introduced a system of classifying malocclusion in the year 1899. Angle’s classification is still in use after almost 100 years of its introduction due to its simplicity …

Read More »

Malocclusion

Malocclusion can present itself in numerous ways. Classification involves the grouping together of various malocclusion into simpler or smaller groups. In order to have a system of classification, standards should be set up that represent normalcy. The deviations from the accepted norms should also be grouped into various smaller divisions …

Read More »

Andrews six keys to normal occlusion

During the 1970’s, andrews six keys to normal occlusion came forward after studying models of 120 patients with ideal occlusion. Andrews considered the presence of these features essential to achieve an optimal occlusion. Andrews six keys to normal  occlusion are considered under the following headings: 1. Molar inter-arch relationship 2. …

Read More »

Disclusion

The term disclusion is used to describe dis-occlusion or separation of nonfunctional posterior teeth during eccentric motions of the jaw. Disclusion of posterior teeth is brought about by condylar guidance and incisal guidance Condylar guidance refers to the downward movement of both the condyles along the slopes of the articular …

Read More »