A general consideration of stage 1 in begg's technique

A general consideration ofA general consideration of
Stage I in Begg Technique.Stage I in Begg Technique.
www.indiandentalacademy.comwww.indiandentalacademy.com

IntroductionIntroduction
• General objective of any ortho trt. – toGeneral objective of any ortho trt. – to
aobtain a result that simulates normalaobtain a result that simulates normal
occlusion.occlusion.
• With Begg tecchnique objective achievedWith Begg tecchnique objective achieved
by dividing trt. into 3 stages.by dividing trt. into 3 stages.
• Stages I and II – Crown tipping phase.Stages I and II – Crown tipping phase.
• Stage III – Root tipping phase.Stage III – Root tipping phase.
• Stage IV – Finishing phaseStage IV – Finishing phase

• Overlapping of the stages must be avoided.Overlapping of the stages must be avoided.
• Ie. Objectives of each stage met beforeIe. Objectives of each stage met before
proceedingproceeding
• Therefore better results and fewer problems areTherefore better results and fewer problems are
encountered.encountered.
• Division into stagesDivision into stages
– to prevent anchorage failureto prevent anchorage failure
– Teaching and learning made easier.Teaching and learning made easier.

Objectives of Stage IObjectives of Stage I
• Correction of crowding and irregularityCorrection of crowding and irregularity
• Closure of anterior spaces.Closure of anterior spaces.
• Correction of rotations.Correction of rotations.
• Elimination of deep bites -Elimination of deep bites -edge to edgeedge to edge
bite / openbite except in class IIIbite / openbite except in class III

• OpenbitesOpenbites  Overbite relationsOverbite relations
• Correction of Mesiodistal relations ofCorrection of Mesiodistal relations of
buccal segmentsbuccal segments
– Class I and Class IIClass I and Class II  Mild class IIIMild class III
– Class IIIClass III  Class I or Class IIClass I or Class II
• Co-ordination of upper and lower arches.Co-ordination of upper and lower arches.

• Correction of anterior and posterior crossCorrection of anterior and posterior cross
bites.bites.
• Axial relation of anchor molars corrected –Axial relation of anchor molars corrected –
upright position.upright position.
– Extraction spaces become smallerExtraction spaces become smaller
– All tooth movements carried outAll tooth movements carried out
simultaneously & in both arches.simultaneously & in both arches.

• Orthodontic apparatus in Stage I.Orthodontic apparatus in Stage I.
• Attachments – Bands, brackets, tubes &Attachments – Bands, brackets, tubes &
lingual cleats.lingual cleats.
• ArchwiresArchwires
• Ligatures.Ligatures.
• Elastics.Elastics.
• Auxiliaries.- Rotation springs.Auxiliaries.- Rotation springs.

• Apparatus applied simultaneouslyApparatus applied simultaneously
– to avoid breakageto avoid breakage
– Act simultaneously to reciprocal adv. withAct simultaneously to reciprocal adv. with
each othereach other
– Creeping into trt. Also avoidedCreeping into trt. Also avoided  Severe lossSevere loss
of anchorage.of anchorage.

ArchwiresArchwires
• Material –Material –
– 0.016 special AJW – principal wire of Stage I.0.016 special AJW – principal wire of Stage I.
– Combination of resilienbcy and flexibility.Combination of resilienbcy and flexibility.
– Adequate stiffness for bite openingAdequate stiffness for bite opening
– Developed by rigid control in wire drawng andDeveloped by rigid control in wire drawng and
heat trt.heat trt.
– 0.018 special – Molar extraction cases0.018 special – Molar extraction cases
– 0.014 special – rotating springs.0.014 special – rotating springs.

• Parts.Parts.
• Intermaxillary Hooks – ( IMH )Intermaxillary Hooks – ( IMH )
• Small loops for engaging elastics and cuspid tiesSmall loops for engaging elastics and cuspid ties
– 2 types –2 types –
• BootBoot
• Circle/ HelicalCircle/ Helical
– Adv of Circle hook.Adv of Circle hook.
• 2 – 2.5 outside dia.2 – 2.5 outside dia.
• Mesial & Distal rolling possibleMesial & Distal rolling possible
• Less space requirement.Less space requirement.
• Less distortionLess distortion
• Greater stiffness in horizontal and vertical plane.Greater stiffness in horizontal and vertical plane.

• LocationLocation
– Well aligned ant. – 1-2 mm mesial to theWell aligned ant. – 1-2 mm mesial to the
cuspid bracket.cuspid bracket.
– Spaced ant. – Farther mesially.Spaced ant. – Farther mesially.
– Mildly crowded ant. – impinging on theMildly crowded ant. – impinging on the
bracket.bracket.
– Severley crowded – multi loop wires.Severley crowded – multi loop wires.

• Anterior Segement.Anterior Segement.
– Portion of the wire b/w intermaxillary IMH liesPortion of the wire b/w intermaxillary IMH lies
gngival to buccal segment for effectivegngival to buccal segment for effective
intrusionintrusion
– Reverse curve at midline – 2-3 mm elevatedReverse curve at midline – 2-3 mm elevated
form occusal plane for even intrusion.form occusal plane for even intrusion.

• Cuspid Offset bend.Cuspid Offset bend.
– Horizontal offset bend mesial to the IMH.Horizontal offset bend mesial to the IMH.
– Proper positioning of the cuspid and the lateralProper positioning of the cuspid and the lateral
incisor.incisor.
• Cuspid Curve:Cuspid Curve:
– Labial curvature in cuspid area – incorporatedLabial curvature in cuspid area – incorporated
to avoid lingual tipping of canines.to avoid lingual tipping of canines.
– In narrow arches requiring expansion, cuspidIn narrow arches requiring expansion, cuspid
offset given.offset given.

• Anchorage bends / Tip back bends.Anchorage bends / Tip back bends.
– In buccal segment of the archwire mesial to theIn buccal segment of the archwire mesial to the
tube with vertewx facing occlusally.tube with vertewx facing occlusally.
• Angulation depends on –Angulation depends on –
– Stage of trt. - as stage progresses.Stage of trt. - as stage progresses.
– Depth of overbite - with bite opening.Depth of overbite - with bite opening.
– Rate of progress of case.Rate of progress of case.

• Inclination of anchor molars.Inclination of anchor molars.
– Mild to moserate inclination – slight anchorMild to moserate inclination – slight anchor
bend.bend.
– Severe inclination – Initially no anchor bend.Severe inclination – Initially no anchor bend.
– Later gradually increases anchor bend toLater gradually increases anchor bend to
upright the molar.upright the molar.
– No intrusion of anteriors beyond edge to edgeNo intrusion of anteriors beyond edge to edge
or mild openbite.or mild openbite.

• Location depends onLocation depends on
– Time elapsed since commencement of trt. – asTime elapsed since commencement of trt. – as
far mesially.far mesially.
– Distal to ccuspid bracket.Distal to ccuspid bracket.
– In mild open bite and overbite – anchor curve.In mild open bite and overbite – anchor curve.
• Depth of overbite.Depth of overbite.
– Greater reduction in overbite if closer to theGreater reduction in overbite if closer to the
molar tube.molar tube.

• Rate of progress.Rate of progress.
• Amount of space remaining.Amount of space remaining.
• Location in looped archwire.Location in looped archwire.
• Non – extn. casesNon – extn. cases
• 11stst
molar extn. cases.molar extn. cases.
• 22ndnd
Premolar extn. cases.Premolar extn. cases.
Nearer
the
tube

• Toe in and toe out bends.Toe in and toe out bends.
– Horizontal offset bends combined with anchorHorizontal offset bends combined with anchor
bends.bends.
– Anchorage bend bent lingually – toe in.Anchorage bend bent lingually – toe in.
– Anchorage bend bent buccally – toe out.Anchorage bend bent buccally – toe out.

A general consideration of stage 1 in begg's technique

Recommended

Recommended

More Related Content

What's hot

What's hot (20)

Viewers also liked

Viewers also liked (20)

Similar to A general consideration of stage 1 in begg's technique

Similar to A general consideration of stage 1 in begg's technique (20)

More from Indian dental academy

More from Indian dental academy (20)

Recently uploaded

Recently uploaded (20)

A general consideration of stage 1 in begg's technique