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Orthodontics

TOOTH COLOURED BIOMATERIALS USED IN ORTHODONTICS

OIS( ORTHODONTIC INTERNATIONAL SERVICS) ADHESIVE SYSTEM. Specifically prepared acrylic resin mix which forms a self-limiting joint for bonding plastics orthodontic attachments to tooth enamel surfaces. It is essentially a methyl-methaacrylate, ethyl methacrylate free radical polymerization system with filler added to the polymer to reduces shrinkage & lower the coefficient of …

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To_extract_or_not_to_extract.ppt11

Extraction of deciduous teeth- ancient times Celsus, Fauchard- recommended Controversy- permanent teeth extraction Hunter- 17th century- opposed- inhibited growth Early 1800s- extraction of 1st premolars- Class II div 1 malocclusion Delabarre- 1818- It is much easier to extract teeth than to determine if it is absolutely necessary Many visitors- Tuscan- …

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tmj ragas

STRUCTURAL CLASSIFICATION: Based on presence or absence of joint cavity:   FIBROUS JOINT:   CARTILAGENOUS JOINT:   SYNOVIAL JOINT FUNCTIONAL CLASSIFICATION:   SYNARTHROSIS:  Immovable joints   AMPHIARTHROSES:  Slightly movable joints   DIARTHROSIS: Freely movable joints: SUTURE:  sutura = seam  Fibrous joint composed of thin layer of dense fibrous connective tissue …

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tmj ragas

STRUCTURAL CLASSIFICATION: Based on presence or absence of joint cavity:   FIBROUS JOINT:   CARTILAGENOUS JOINT:   SYNOVIAL JOINT FUNCTIONAL CLASSIFICATION:   SYNARTHROSIS:  Immovable joints   AMPHIARTHROSES:  Slightly movable joints   DIARTHROSIS: Freely movable joints: SYNOVIAL JOINT: Specialized endothelial cells form a synovial lining and forms the synovial fluid which …

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tmj (2)

STRUCTURAL CLASSIFICATION: Based on presence or absence of joint cavity:   FIBROUS JOINT:   CARTILAGENOUS JOINT:   SYNOVIAL JOINT FUNCTIONAL CLASSIFICATION:   SYNARTHROSIS:  Immovable joints   AMPHIARTHROSES:  Slightly movable joints   DIARTHROSIS: Freely movable joints: Thus the workings of the masticatory system are extremely complex. It is a remarkable phenomenon …

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TISSUE RESPONSE TO FUNCTIONAL APPLIANCE TREATMENT.. 1

Functional appliance is a device that changes the posture of the mandible,holding it open or open and forward to alter the growth of the mandible by transmitting muscle forces to the teeth and dentoalveolar structures in the predetermined direction. An increasing recognition of the interrelationship of form and function,the realisation …

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