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Monthly Archives: December 2010

Eccentric occlusion

Eccentric occlusion refers to contact of teeth that occurs during movement of the mandible. Eccentric occlusion can be of two types: • Fuctional occlusion • Non functional occlusion Functional occlusion Functional Eccentric occlusion (also called working side occlusion) refers to tooth contacts that occur in the segment of the arch …

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Centric occlusion

Centric relation (not centric occlusion)is the relation of the mandible to the maxilla when the mandibular condyles are in the most superior and retruded position in their glenoid fossa with the articular disc properly interposed. Centric relation is also called ligamentous position or terminal hinge position. At centric relation both …

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Curve of wilson

Curve of wilson a curve that contacts the buccal & lingual_cusp tips of the mandibular buccal teeth. The Curve of wilson is medio-Iateral on each side of the arch. It results from inward inclination of the lower posterior teeth. Curve of wilson helps in two ways a. Teeth are aligned …

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Dental occlusion

The study of dental occlusionis important aspect of dentistry. The study and practice of most branches of dentistry should be based on a strong foundation of the knowledge of occlusion. Orthodontics is no exception to this as great many changes occur in the occlusion during orthodontic therapy. The orthodontist should …

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Digestion process

The digestion process in a body begins a little before food particles goes in the body. Even before the intake of food, the aroma or sight of food causes salivation. The digestion process starts when the food goes in the mouth and the teeth start breaking the food component in small …

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Dental age

Dental agehas been used for centuries as a parameter for expressing biological maturity. It is of particular interest to the pedodontists and orthodontists in planning of different types of malocclusions in relation to maxillo-facial growth. Dental age also plays a great role in forensic odontology and pediatric endocrinopathies. Dental age …

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Exfoliation

The physiologic process resulting in the elimination of deciduous dentition is called exfoliation or shedding. This shedding or exfoliation is due to progressive resorption of the roots of the deciduous teeth and their supporting tissue, the periodontal ligament. In general, the pressure generated by the growing and erupting permanent tooth …

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Teething

Teething is a term limited by common usage to eruption of primary dentition. Since the time of Hippocrates (460 -377 BC) teething is blamed for ailments such as fever, convulsions, bronchitis, otitis media and diarrhea for causing 12% of the death in children under four years. Complete opposite views are …

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Tooth eruption

Initiation of hard tissue development that is tooth eruption for all deciduous teeth occurs between 3.5 and 4.5 intrauterine months. The crowns have been seen to get mineralized about halfway by birth and become fully formed during first 12 months of postnatal life. Root formation continues and is completed after …

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Dentition

The purpose of this article is to discuss the main course of the normal development of human dentition, together with the concept of evolution of tooth development, clinical features of the dentition and the most common developmental disturbances. Knowledge of the normal development of the dentition and an ability to …

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