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TIPPING MECHANICS TREATMENT

Malcolm E. Meistrell, DDSProfessor of Clinical Dentistry

Division of OrthodonticsSchool of Dental and Oral Surgery

Columbia University

Goals

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Unravel Open bite Class I Position of molars and canines Correct Rotations Correct Crossbites Level Occlusal Plane

STAGE I

Close Spaces Overcorrect class I Relationships Maintain all goals achieved in Stage I

STAGE II

Maintain all goals achieved in Stages I & II Correct occluso-gingival relationships of

Premolars Correct bucco-lingual relationships of

Premolars

STAGE pre- III

Upright Torque Maintain all goals achieved in Stages I & II

STAGE III

Establish ideal occlusion Establish ideal esthetic relationships

STAGE IV

Ease of wire changesControlRapid changes in the vertical dimensionsMidline integrity protected/preservedImproved rotational control

TIP EDGESADVANTAGES

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WHY TIP EDGE?

Tipping mechanicsSelf limiting bracketHorizontal loadingNo undesirable couplesMore precise finishColors

TIP EDGEADVANTAGES

Automatic progression from tip to translationVertical slot/auxillary usePredetermined, full power uprightingFewer archwiresTorque options

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BRACKET DESIGN

Initial tip limitedTorque built into baseFinal tip built into bracket faceOver torque only possible with round wires

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PATIENT LR SNA 77 SNB 74 ANB 3 SN GoGn 40 PP GoGn 31 L1 Apo 8.5 L1 GoGn 96 U1 SN 117 N: ANS/ANS:ME .72 Wits +1

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