Esthetic Brackets

INTRODUCTION PLASTIC BRACKETS THE CONSTRUCTION, MATERIAL PROPERTIES, BOND STRENGTH, FRICTIONAL RESISTANCE, TORQUE PROPERTIES, BRACKET FRACTURE, GUIDELINES AND CRITERIA CONCERNING THE SPECIFIC APPLICATIONS AND USES, CONCLUSION. Orthodontic patients, including a growing population of adults, not only want an improved smile, but they are also increasingly demanding better aesthetics during treatment. The …

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Downs analysis

“Variations in Facial Relationship: Their Significance in Treatment and Prognosis” William B. Downs ( Aurora, Illinois) At the Graduate Department of Orthodontia, University of Illinois, Chicago. First prize winner, Essay Contest of the American Association of Orthodontia,1948. Published in American Journal of Orthodontia, Oct., 1948 & reprinted in 1949 Downs …

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Dental acrylic resins

Early fabrication of orthodontic appliances used vulcanized rubber, which was introduced by Charles Goodyear in 1839 It was the material used by C. A. Hawley in his original removable retainer design. . Acrylic resins were introduced in 1936 in the monomer/polymer form. The autopolymerized or “cold-cured” resins, perfected in Germany …

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Modification of activator

Introduction Modifications used in correction of Class II division1 Modifications used in correction of Class II division 2 Modifications used in correction of Class III Eschler’s Modification (1952) Herren’s activator (1953) Herren’s shaye activator – LSU activator (1953) Elastic open activator of Klammt (1955) The bow activator of Schwarz (1956) …

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Construction Bite

Introduction . Theories. Genetic Control Theory. Functional Matrix Hypothesis. Lateral Pterygoid Hyperactivity Hypothesis. Growth Relativity Hypothesis. Construction bite In various malocclusions. In various appliances. Fabrication of Construction Bite: Construction bite technique. Study Model Analysis Functional Analysis Cephalometric analysis. General Rules for Construction Bite. Bibliography .

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Cleft Lip and Palate

CONTENTS: INTRODUCTION EPIDEMIOLOGY ETIOLOGY EMBRYOLOGY CLASIFICATION OF CLEFTS TREATMENT OF CLEFT LIP AND PALATE: INFANT ORTHOPEDICS TREATMENT IN MIXED DENTITION ALVEOLAR BONE GRAFTING TREATMENT IN PERMANENT DENTITION SURGICAL ORTHODONTICS DISTRACTION OSTEOGENESIS CONCLUSION REFERENCES Cleft of lip and the palate is among the most common congenital anomalies requiring multidisciplinary care. Such …

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Classification of Malocclussion

Definition Need to classify Grouping of malocclusion Angle’s classification in 1899 Modified Angle’s classification Bennett’s classification in 1912 Dewey’s modification in 1915 Lischer’s modification in 1933 Flush terminal plane Skeletal classification by Salzmann in 1950 Ballard’s Classification in 1964 Incisor classification by Ballard & Wayman in 1964 Canine classification Ackermann-Proffit …

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CHILD PSYCHOLOGY

Introduction Psychosexual theory- Sigmond Freud Psychosocial theory- Erik. H. Erikson Cognitive approach theory- Jean Piaget Emotional development. Behavior assessment; Development; Management Psychological status- Orthodontic patients Behavior modification Creating a compliant patient Motivational system for orthodontist & patient Clinical motivation of functional jaw orthopedic patients ConclusionThe key to successful orthodontic treatment …

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CEPHALOMETRIC

JARABAK’S ANALYSIS BJORK’S ANALYSIS HOLDAWAY’S ANALYSIS SASSOUNI ANALYSIS RICKETTS ANALYSIS DI PAOLO QUARDILATERAL ANALYSIS It was given by Reed A. Holdaway in 1983 Private practice patients of North European ancestry 11 measurements were given namely:- Soft tissue facial angle Nose prominence Superior sulcus depth Soft tissue subnasale to H-line Skeletal …

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Cephalomatrics 2

Introduction Historical aspect Advantages and limitations Radiographic cephalometric technique Quality of the radiographs Protection from radiation Bibiliography. Cephalometrics includes measurements, description and appraisal of the morphologic configuration and growth changes in the skull by ascertaining the dimensions of line angles and planes between anthropometric land marks established by physical anthropologists …

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Cephalometric analysis

DOWNS ANALYSIS STEINER ANALYSIS TWEEDS ANALYSIS Mc NAMARA ANALYSIS WITS APPRIASAL JARABAK’S ANALYSIS BJORK’S ANALYSIS HOLDAWAY’S ANALYSIS SASSOUNI ANALYSIS RICKETTS ANALYSIS DI PAOLO QUARDILATERAL ANALYSIS SKELETAL COMPONENTS Facial angle Angle of convexity A-B plane angle Mandibular plane angle Y-Axis DENTAL COMPONENTS Cant of occlusal plane Inter incisal angle Incisor occlusal …

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CEPH . ANALYSIS

” DOWNS ANALYSIS STEINER ANALYSIS TWEEDS ANALYSIS Mc NAMARA ANALYSIS WITS APPRIASAL JARABAK’S ANALYSIS BJORK’S ANALYSIS HOLDAWAY’S ANALYSIS SASSOUNI ANALYSIS RICKETTS ANALYSIS DI PAOLO QUARDILATERAL ANALYSIS SKELETAL COMPONENTS Facial angle Angle of convexity A-B plane angle Mandibular plane angle Y-Axis DENTAL COMPONENTS Cant of occlusal plane Inter incisal angle Incisor …

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C A T Presentation

C A T Presentation

CONTENTS Introduction Advantages and Disadvantages of Begg’s V/S straight wire appliances. Bracket design Retention pins Bracket and tube placement Arch wires – Dual flex 1 & Dual flex 2 Treatment Treatment phases and Goals Treatment considerations ConclusionsINTRODUCTION What’s CAT ? Combination anchorage technique: Begg technique in orthodontics last since 5-6 …

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Bracket positioning

Orthodontists strive for accurate bracket positioning because it makes achieving a superior occlusion easier. Whether one uses a direct or an indirect bonding technique, the initial appliance placement typically includes some bracket-positioning errors. The clinician either corrects these errors during treatment or tediously repeats archwire bends to compensate for the …

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Bracket Materials

INTRODUCTION TYPES OF BRACKET MATERIALS METAL BRACKETS STAINLESS STEEL BRACKETS TITANIUM BRACKETS GOLD-COATED BRACKETS PLATINUM-COATED BRACKETS PLASTIC BRACKETS CERAMIC BRACKETS COMPARATIVE BOND STRENGTH CHARACTERISTICS OF BRACKETS COMPARATIVE FRICTIONAL CHARACTERISTICS OF BRACKETS BRACKETS AND PLAQUE ACCUMULATION DEBONDING OF BRACKETS AND ENAMEL FRACTURE RECYCLING OF ORTHODONTIC BRACKETS AND ITS EFFECTS CONCLUSION

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Bone

Introduction Classification of bone Functions of bone Division of skeletal system Structural anatomy of bones Composition of bone Osteogenesis Physiology of bone Disorders of bone Bone healing Correlation of bone structure & some of its properties Bones are rigid organs that form part of the endoskeleton of vertebrates One of …

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Bone os

    INTRODUCTION Bone or osseous tissue represents the highest differentiation among supporting tissues. It is rigid tissue that constitutes most of the skeleton of higher vertebrates. Skeleton : Bony and cartilaginous framework of the body constitutes the skeleton. Endoskeleton : Where the skeleton is located internally on the body. …

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Bonding of Orthodontics

Three types of attachments are presently available for orthodontic bracket bonding –     plastic based     ceramic based      metal based 1.Stainless Steel 2.Gold coated 3.Titanium Steps involved in direct and indirect bracket bonding on facial or lingual surfaces are as follows; Cleaning Enamel conditioning Sealing Bonding …

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Bonding and Banding part 2

Bonding and Banding

Controlling the movement of a tooth in all directions requires a firm attachment to that tooth.The orthodontic band, cemented to the tooth, is one practical means of obtaining such an attachment for most purposes. The continuing development and refinement of materials and techniques for direction cementation (bonding) of orthodontic attachments …

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Bonding and Banding

Controlling the movement of a tooth in all directions requires a firm attachment to that tooth. The orthodontic band, cemented to the tooth, is one practical means of obtaining such an attachment for most purposes. The continuing development and refinement of materials and techniques for direction cementation (bonding) of orthodontic …

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Biology of tooth movement

Biology of tooth movement

INTRODUCTION PERIODONTAL LIGAMENT ROLE OF PDL IN ERUPTION AND STABILIZATION OF TEETH TISSUE RESPONSES IN PERIODONTIUM EFFECT OF FORCE MAGNITUDE PRESSURE TENSION THEORY FLUID DYNAMIC THEORY PIEZOELECTRICITY PROSTAGLANDINS AND FORCE-INDUCED BONE REMODELING PHASES OF TOOTH MOVEMENT BIOMECHANICS EFFECTS OF FORCE DISTRIBUTION AND TYPES OF TOOTH MOVEMENT BIOCHEMICAL CONTROL OF TOOTH …

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