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MOLAR DISTALISATION
A COMPARITIVE CASE STUDY OF
FOUR DIFFERENT MOLAR DIATALISERS
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INDIAN DENTAL ACADEMY
Leader in continuing dental education www.indiandentalacademy.com
INTRODUCTION
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INDICATIONS
* NON EXTRACTION TREATMENT OF
CLASS II MALOCCLUSIONS.
* LOW MANDIBULAR ANGLE .
* CLASS I SKELETAL PATTERN.
* MILD ARCH LENGTH DISCREPANCY.
* WHERE THE UPPER PERMANENT
MOLARS HAVE MOVED MESIALLY DUE
TO EARLY LOSS OF DECIDOUS MOLARS. www.indiandentalacademy.com
CONTD…..
* WHERE THE SECOND MOLARS HAVE NOT
ERUPTED ( OR) TO BE EXTRACTED.
* IN SECOND MOLAR EXTRACTION CASES
WHERE THE THIRD MOLARS ARE WELL
FORMED & ERUPTING PROPERLY
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CONTRAINDICATIONS
* HIGH MANDIBULAR PLANE ANGLE
* SKELETAL & DENTAL OPEN BITE.
* CL II & CL III SKELETAL PATTERN.
* SEVERE ARCH LENGTH
DISCREPANCY
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CLASSIFICATION
I REMOVABLE MOLAR DISTALISER
II FIXED MOLAR DISTALISER
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REMOVABLE MOLAR DISTALISER
* EXTRA ORAL TRACTION
* REMOVABLE MOLAR DISTALZATION
SPLINT.
* LIP BUMPER
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* PENDULUM APPLIANCE
* WILSON ‘S RAPID MOLAR DISTALIZER
* SUPER ELASTIC NITI.
* “ K” LOOP MOLAR DISTALIZER.
* LOKAR APPLIANCE.
* JONES JIG.
* DISTAL JET.
FIXED MOLAR DISTALIZERS
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Case Report -- 1
EXTRA ORAL PRE TREATMENT
PT NO : 1 16/ F* STRAIGHT PROFILE
* INCOMPETENT LIPSwww.indiandentalacademy.com
INTRA ORAL PRE TREATMENT
* PROCLINED CENTRALS
* CONGENITALLY MISSING
LATERALS & 3rd MOLARS
* ENDON
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DIAGNOSTICS
* OVER JET 6 mm
* OVER BITE 6 mm
* ARCH LENGTH DISCREPANCY + 3 mm
* INCISOR PROCLINATION 9 0
* FMA 24 0
* SKELETAL CLASS I
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* CLASS I M OLAR
RELTIONSHIP.
AFTER DISTALISATION
* SPACE - 7mm
* DAYS - 70
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OCCLUSAL VIEW
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RICKETTS SUPER IMPOSITION
ANS - PNS AS REFERENCE PLANE
ANS AS REFERENCE POINT
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EXTRA ORAL PRE TREATMENT
Case Report -- II
PT No: 2 12 / F * SLIGHT CONVEXwww.indiandentalacademy.com
INTRA ORAL PRE TREATMENT
* INCISOR PROCLINATION
* ENDON
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DIAGNOSTICS
* OVER JET 5 mm
* OVER BITE 5 mm
* ARCH LENGTH DISCREPANCY -- 8 mm
* INCISOR PROCLINATION 10 0
* FMA 27 0
* SKELETAL CLASS I
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WITH THE APPLIANCE
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AFTER DISTALISATION
MOLARS IN CLASS I
8 mm 90 DAYS
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OCCLUSAL VIEW
BEFORE & AFTER
DISTALIZATIONwww.indiandentalacademy.com
INTRUSION WITH BURSTONEINTRUSION ARCH
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RICKETTS SUPER IMPOSITION
ANS - PNS AS REFERENCE PLANE
ANS AS REFERENCE POINT
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EXTRA ORAL PRE TREATMENT
Case Report -- III
Pt. No.3 11 F * STRAIGHT PROFILE
* LOW ANGLEwww.indiandentalacademy.com
INTRA ORAL PRE TREATMENT
* ROTATED CENTRAL
* UNERUPTED CANINES
* ENDON
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DIAGNOSTICS
* ARCH LENGTH DISCREPANCY -- 7.2mm
* FMA 21 0
* SKELETAL CLASS I
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WITH THE APPLIANCE
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OCCLUSAL VIEW
BEFORE & AFTER
8 mm in 90 dayswww.indiandentalacademy.com
AFTER DISTALISATION
MOLARS IN CLASS I
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RICKETTS SUPER IMPOSITION
ANS - PNS AS REFERENCE PLANE
ANS AS REFERENCE POINTwww.indiandentalacademy.com
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EXTRA ORAL PRE TREATMENT
Case Report -- IV
PT. NO: 4 12 / F* STRAIGHT PROFILE
* LOW ANGLEwww.indiandentalacademy.com
INTRA ORAL PRE TREATMENT
* CLASS II ( R )
* ENDON (L)
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DIAGNOSTICS
* OVER JET 4 mm
* OVER BITE 5 mm
* ARCH LENGTH DISCREPANCY -- 7 mm
* INCISOR PROCLINATION 9 0
* FMA 21 0
* SKELETAL CLASS I
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OCCLUSAL VIEW
8 mm IN
90 days
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AFTER DISTALISATION
MOLARS IN CLASS I
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RICKETTS SUPER IMPOSITION
ANS - PNS AS REFERENCE PLANE
ANS AS REFERENCE POINTwww.indiandentalacademy.com
www.indiandentalacademy.com
DR.C.R.RAMACHANDRAN DEAN DR.RAJASIGAMANI PROFESSOR & HEAD OF THE DEPARTMENT Dept. of Orthodontics & Dentofacial Orthopaedics
DR.USHA SATHYA NARAYANAN PROFESSOR & HEAD OF THE DEPARTMENT Dept. of conservative dentistry
RMDC & H ANNAMALAI UNIVERSITY
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For more details please visit
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