Labial Bow

transcript

LABIAL BOWLABIAL BOW

DEFINITIONDEFINITION

PARTSPARTS

Parts of labial bow

USESUSES

1.1. RETRACTIONRETRACTION

2.2. RETENTION AFTER ACTIVE ORTHO RETENTION AFTER ACTIVE ORTHO

TREATMENTTREATMENT

3.3. REINFORCEMENTREINFORCEMENT

4.4. ATTACHMENT OF AUXILLARY SPRINGSATTACHMENT OF AUXILLARY SPRINGS

5.5. FOR CARRYING SOLDERED ATTACHMENTFOR CARRYING SOLDERED ATTACHMENT

SELECTIONSELECTION

1.1. NUMBER OF TEETH TO BE MOVEDNUMBER OF TEETH TO BE MOVED

2.2. SEVERITY OF PROTRUSIONSEVERITY OF PROTRUSION

3.3. PURPOSEPURPOSE

4.4. LOCATION OF SPACINGLOCATION OF SPACING

5.5. CLINICIAN PREFERENCECLINICIAN PREFERENCE

TYPESTYPES

1.1. SHORT LABIAL BOWSHORT LABIAL BOW

2.2. LONG LABIAL BOWLONG LABIAL BOW

3.3. SPLIT LABIAL BOWSPLIT LABIAL BOW

4.4. ROBERT’S RETRACTORROBERT’S RETRACTOR

5.5. MILL’S RETRACTORMILL’S RETRACTOR

6.6. HIGH LABIAL BOWHIGH LABIAL BOW

7.7. REVERSE LABIAL BOWREVERSE LABIAL BOW

8.8. FITTED LABIAL BOWFITTED LABIAL BOW

9.9. SOLDERED LABIAL BOWSOLDERED LABIAL BOW

10.10. LABIAL BOW WITH SELF STRAIGHTENING WIRELABIAL BOW WITH SELF STRAIGHTENING WIRE

11.11. LABIAL BOW WITH ELASTICSLABIAL BOW WITH ELASTICS

12.12. RICKETT’S RETENTION BOWRICKETT’S RETENTION BOW

13.13. BEGG’SRETENTION BOWBEGG’SRETENTION BOW

14.14. MISCELLANEOUSMISCELLANEOUS

SHORT LABIAL BOWSHORT LABIAL BOW

WIRE USED : WIRE USED :

STAINLESS STEELSTAINLESS STEEL

0.6 – RETRACTION0.6 – RETRACTION

0.7 – RETENTION0.7 – RETENTION

0.8-1.0 - REINFORCEMENT0.8-1.0 - REINFORCEMENT

USESUSES

1.1. RETRACTIONRETRACTION

2.2. RETENTION AFTER ACTIVE ORTHO RETENTION AFTER ACTIVE ORTHO

TREATMENTTREATMENT

3.3. REINFORCEMENTREINFORCEMENT

4.4. ATTACHMENT OF AUXILLARY SPRINGSATTACHMENT OF AUXILLARY SPRINGS

5.5. FOR CARRYING SOLDERED ATTACHMENTFOR CARRYING SOLDERED ATTACHMENT

CONTRAINDICATIONCONTRAINDICATION

SEVERE PROCLINATION OF SEVERE PROCLINATION OF ANTERIORSANTERIORS

ADVANTAGESADVANTAGES

1.1. EASY FABRICATIONEASY FABRICATION

2.2. EASY TO ADJUSTEASY TO ADJUST

3.3. FOR SOLDERING HOOKS USEFUL FOR FOR SOLDERING HOOKS USEFUL FOR

ATTACHMENT OF ELASTICS OR J HOOKS FOR ATTACHMENT OF ELASTICS OR J HOOKS FOR

EXTRA ORAL TRACTIONEXTRA ORAL TRACTION

LONG LABIAL BOWLONG LABIAL BOW

0.6 – RETRACTION0.6 – RETRACTION

0.7 – RETENTION0.7 – RETENTION

1.1. TO CLOSE SPACE BETWEEN CANINE TO CLOSE SPACE BETWEEN CANINE AND PREMOLARAND PREMOLAR

2.2. CAN CONTROL THE CANINECAN CONTROL THE CANINE

SPLIT LABIAL BOWSPLIT LABIAL BOW

0.6 mm0.6 mm

ADVANTAGEADVANTAGE

1.1. MORE FLEXIBILITYMORE FLEXIBILITY

2.2. FOR MINOR CORRECTION OF FOR MINOR CORRECTION OF

SPACESSPACES

3.3. TO FLATTEN THE ARCHTO FLATTEN THE ARCH

DRAW BACKDRAW BACK

1.1. FLATTENING OF ARCH WHERE NOT FLATTENING OF ARCH WHERE NOT REQUIRED BY IMPROPER REQUIRED BY IMPROPER ACTIVATIONACTIVATION

ROBERT’S RETRACTORROBERT’S RETRACTOR

0.5 mm0.5 mm

1.1. FOR CORRECTION OF SEVERE PROTUSION FOR CORRECTION OF SEVERE PROTUSION

2.2. LIGHT FORCES BECAUSE OF THIN WIRE LIGHT FORCES BECAUSE OF THIN WIRE

3.3. LONG RANGE OF ACTION BECAUSE OF LONG RANGE OF ACTION BECAUSE OF

MORE LENGTHMORE LENGTH

DRAWBACKDRAWBACK

1.1. UNCOMFORTABLE TO WEARUNCOMFORTABLE TO WEAR

2.2. CANNOT BE GIVEN FOR LOWER CANNOT BE GIVEN FOR LOWER

ARCH AS SULCUS IS SHALLOWARCH AS SULCUS IS SHALLOW

MILL’S RETRACTORMILL’S RETRACTOR

WIRE USED :WIRE USED :

STAINLESS STEEL STAINLESS STEEL

0.7mm0.7mm

1.1. FOR CORRECTION OF SEVERE PROTUSIONFOR CORRECTION OF SEVERE PROTUSION

2.2. MORE FLEXIBLEMORE FLEXIBLE

3.3. LIGHT FORCELIGHT FORCE

4.4. LONG RANGE OF ACTIONLONG RANGE OF ACTION

5.5. MINOR TOOTH IRREGULARITIES CAN BE MINOR TOOTH IRREGULARITIES CAN BE

CORRECTED CORRECTED

DRAWBACKSDRAWBACKS

1.1. BULKY BULKY

2.2. UNCOMFORTABLEUNCOMFORTABLE

3.3. PRECISE ADJUSTMENT IS DIFFICULTPRECISE ADJUSTMENT IS DIFFICULT

HIGH LABIAL BOW WITH APRON HIGH LABIAL BOW WITH APRON SPRINGSPRING

0.9 mm LABIAL BOW0.9 mm LABIAL BOW

0.35 -0.4 mm APRON SPRING 0.35 -0.4 mm APRON SPRING

ACTIVATIONACTIVATION

BY BENDING OF APRON SPRING BY BENDING OF APRON SPRING TOWARDS TEETH TOWARDS TEETH

1.1. SEVERE PROCLINATIONSEVERE PROCLINATION

2.2. LIGHTER FORCELIGHTER FORCE

3.3. LONG RANGE OF ACTIONLONG RANGE OF ACTION

4.4. CAN CORRECT SINGLE OR MULTIPLE CAN CORRECT SINGLE OR MULTIPLE MALPOSITION OF TOOTHMALPOSITION OF TOOTH

DRAWBACKDRAWBACK

1.1. UNCOMFORTABLEUNCOMFORTABLE

2.2. TIME CONSUMING FABRICATIONTIME CONSUMING FABRICATION

3.3. CANT BE USED IN LOWER ARCHCANT BE USED IN LOWER ARCH

REVERSE LABIAL BOWREVERSE LABIAL BOW

1.1. TO RETAIN ANTERIOR TEETH TO RETAIN ANTERIOR TEETH

2.2. CONTROLS THE BUCCAL DRIFT OF CONTROLS THE BUCCAL DRIFT OF

CANINE DURING RETRACTIONCANINE DURING RETRACTION

DRAWBACKDRAWBACK

DISTORT EASILYDISTORT EASILY

LABIAL BOW WITH SELF LABIAL BOW WITH SELF STRAIGHTENING WIRESTRAIGHTENING WIRE

0.5 mm SELF STRAIGHTENING 0.5 mm SELF STRAIGHTENING

WIREWIRE

ADVANTAGEADVANTAGE

1.1. MORE RANGE OF ACTIONMORE RANGE OF ACTION

2.2. CAN CORRECT MILD PROCLINATION CAN CORRECT MILD PROCLINATION

OR SPACINGOR SPACING

DRAWBACKDRAWBACK

1.1. TENDENCY TO FLATTEN THE ARCHTENDENCY TO FLATTEN THE ARCH

2.2. INDIVIDUAL TOOTH MOVEMENT INDIVIDUAL TOOTH MOVEMENT

NOT POSSIBLENOT POSSIBLE

LABIAL BOW WITH ELASTICSLABIAL BOW WITH ELASTICS

ACTIVATIONACTIVATION

BY CHANGING ELASTICSBY CHANGING ELASTICS

ADVANTAGEADVANTAGE

CONTINUOUS FORCECONTINUOUS FORCE

LESS CHANCE OF SLIPPAGE OF LESS CHANCE OF SLIPPAGE OF

ELASTIC DUE TO PRESENCE OF ELASTIC DUE TO PRESENCE OF

LABIAL BOWLABIAL BOW

FITTED LABIAL BOWFITTED LABIAL BOW

1.1. FOR INDIVIDUAL TOOTH RETENTIONFOR INDIVIDUAL TOOTH RETENTION

DRAWBACKDRAWBACK

1.1. TIME CONSUMINGTIME CONSUMING

SOLDERED LABIAL BOWSOLDERED LABIAL BOW

1.1. WHEN USED FOR RETRACTION IT WHEN USED FOR RETRACTION IT

HELPS IN CONSOLIDATING THE HELPS IN CONSOLIDATING THE

SPACESSPACES

2.2. CAN ALSO BE USED FOR ATTACHMENT CAN ALSO BE USED FOR ATTACHMENT

OF SELF STRAIGHTENING WIREOF SELF STRAIGHTENING WIRE

3.3. GOOD OCCLUSAL SETTLEMENTGOOD OCCLUSAL SETTLEMENT

DRAWBACKDRAWBACK

1.1. IF FRACTURED WHOLE APPLIANCE IF FRACTURED WHOLE APPLIANCE IS TO BE REPLACEDIS TO BE REPLACED

RICKETT’S RETENTION BOWRICKETT’S RETENTION BOW

1.1. AS HORIZONTAL ARM EXTENDS AS HORIZONTAL ARM EXTENDS OVER CANINE , HELPS IN OVER CANINE , HELPS IN CONTROLLING CANINECONTROLLING CANINE

BEGG’S RETENTION BOWBEGG’S RETENTION BOW

1.1. GOOD OCCLUSAL SETTINGGOOD OCCLUSAL SETTING

DRAWBACKSDRAWBACKS

1.1. EASILY DISTORTEDEASILY DISTORTED

2.2. RETENTION POOR IF NOT CONSTRUCTED RETENTION POOR IF NOT CONSTRUCTED

WELLWELL

MISCELLANEOUSMISCELLANEOUS

1.1. WITH EYELETS OR HOOKS IN WITH EYELETS OR HOOKS IN REGION OF INCISORS FOR REGION OF INCISORS FOR ENGAGING THE J HOOK OF EXTRA ENGAGING THE J HOOK OF EXTRA ORAL TRACTIONORAL TRACTION

2.2. HOOKS SOLDERED FOR INTRUDING HOOKS SOLDERED FOR INTRUDING A SINGLE TOOTHA SINGLE TOOTH

THANKYOU

Labial Bow

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