case presentation by Dr. jamal a. m. hafiz al qadhi
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Transcript of case presentation by Dr. jamal a. m. hafiz al qadhi
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D O N E B Y : D R . J A M A L B I N H A F I Z
S U P E R V I S E D B Y : D R . A H M A D A L T A R A W N E H
D R . J U M A N A T B A I S H A T
D R . B A S H A R A L M O M A N I
D R . A N W A R A L R A H A M N E H
Orthodontic Case Presentation
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Patient Information
Name: R.K
Age: 14yrs
Occupation: Student
Marital status: Single
Residence: Amman
Nationality: Jordanian
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Medical and Dental History
Medical History: Denied any medical problems
Dental History: Trauma 4 years ago on Upper Central and lateral incisors with incisal filling on the Left central and lateral incisors.
Habits: No Habits
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Chief Complaint
“ طالعة فوق بعض وأسناني العلوية
.لبرا ”
“ My upper teeth are overlapped and protruded.”
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Extra Oral Photos
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Skeletal Assessment
Anteroposterior:
Class II Skeletal Pattern
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Skeletal Assessment
Vertical Assessment:
Average lower facial height
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Skeletal Assessment
Transverse: P-A X-ray Symmetrical face
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TMJ
Signs of TMD (No clicking, crepitus, but find tenderness and pain to palpation).
Normal mouth opening.
Displacement. *
No Limitation in lateral movement.
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Soft Tissue Assessment
Convex facial profile
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Soft Tissue Assessment
Transverse: composite photographs Facial Asymmetry
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Soft Tissue Assessment
Lip tonicity and competence:
•Thick upper and lower lips•Incompetent lips
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Frontonasal angle: 135⁰
(Normal 115⁰-135⁰)
Nasolabial angle: 85⁰
(Normal 90⁰-110⁰)
Labiomental angle: 95⁰
(Normal 114⁰-140)
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Smile Aesthetics Assessment
Mini- estathetic• 80% crown show when smiling
• No gingival show of the upper gingiva.• Smile extends to mesial surface of first premolar on the right side, and to distal surface of canine on left side.
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Smile Analysis
• Buccal corridors: narrow
• The smile arc: Incisal edges of upper anterior teeth are not parallel to the upper border of the lower lip
• Flat smile arc.• Less attractive smile.
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Tooth Proportions
Micro – esthetic:Golden proportion for maxillary
anterior teeth is 55%
Height:width1:9 90%
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Gingival Height, Connectors
Gingival level: Low gingival level of canines.
Normal connectors
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Intra Oral Examination
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Intra Oral Examination
• Fair oral hygiene with mild gingivitis and dental plaque. •Composite filling on upper left 1,2 and upper Rt. 4•White spot lesion on upper Rt. 5.• Thin attached gingiva in lower ant. segment.• Teeth Present in oral cavity (permanent dentition)
7 6 5 4 3 2 1 1 2 3 4 5 6 7
7 6 5 4 3 2 1 1 2 3 4 5 6 7
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Lower Arch
U-shaped lower arch
Anterior segment:
Will alignment anterior segment
Labially inclined
Buccal segment:
Lingually inclined lower left 4,5
Rotated lower right 5
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Upper Arch
U-shaped arch.
Anterior segment:
Rotated upper incisors with mild crowding .
Upper left canine palatallytilted.
Normal Buccal segment
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Anterior Segment Relationship
Class II div. I incisor relationship
Midlines discrepancy; lower shifted 3mm to Rt. Andupper shifted 1mm to Lt.
• Overjet = 6.5 mm
Overbite = 40% Complete on teeth
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Buccal Segment Relationship
Molar relationship: R: Class II L: Class I
Canine relationship: R: Class II L: Class I
Scissor bite in Lt.4&5
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Functional Asymmetry (dental displacement)
C.R
C.O
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Study Model Analysis
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Study Model Analysis
Anteroposterior:
Canine: Class IIMolar: Class II
Canine : Class IMolar: Class I
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Study Model Analysis
Transverse
Midlines discrepancy.
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Study Model Analysis
Vertical
O.B= 40% deep bite complete on the teeth.
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Study Model Analysis
Right side: 1 mm Left side: 3mm
Curve of Spee:
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Study Model Analysis
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Study Model Analysis
Lower arch
U shaped arch form
Slight Dental Asymmetry
Intermolar width: 42mm
(Noraml 41.1 mm)
Intercanine width: 25 mm
(Normal 24.4mm )
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Study Model Analysis
upper arch
U shaped arch form
Slight Dental Asymmetry
Intermolar width 44mm
(normal 44.3)
Intercanine width 32 mm
(Normal 31.3)
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Space Analysis
1177889.59.57877.511U
654321123456
1077.5765.55.5677.5710L
Upper Arch:
Space available 75 mm
Space required 78.5 mm
-3.5 mm (mild crowding)
Lower Arch:
Space available 67 mm
Space required 66 mm
1 mm (spacing)
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Bolton Analysis
1177889.59.57877.511U
654321123456
1077.5765.55.5677.5710L
Anterior Bolton ratio= 37/50= 74%
(normal value: 77.2± 1.65%)
Overall Bolton ratio= 86/100.5= 85.5%(normal value: 91.3± 1.91%)
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Royal London Analysis
Upper ArchLower Arch
-3.5 mm+1 mmCrowding/Spacing
00Angulation change
0-1Leveling curve of Spee
0-2Inclination change
-80Incisors A/P change
00Arch Width
-11.52-Total
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Visualized Treatment Objectives
Midline-Molar relationship
R LMolarCl II
MolarCl I
Midline
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Visualized Treatment Objectives
Lower arch discrepancy
0
0
0
0
-1 -1
0 -1
-3 +3
-4
-4
+1
+1
Crowding 3*3
6*6
Protrusion
Curve of SpeeMidline
Total 3*3
6*6
R L
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Visualized Treatment Objectives
Anticipated treatment change
Midline MolarMolar CuspidCuspid
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Pre-Treatment IOTNDental Health Component
Grade 4 a
Increased Over jet greater
than 6 mm and less than 9 mm
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Pre-Treatment IOTNAesthetic Component
Grade 2
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Radiography Analysis
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Variable Pre-
Treatment
Normal value
SNA 85º 81 ± 3
SNB 79º 78 ± 3
ANB 6º 3 ± 2
S-N/MX 4º 8 ± 3
ANB* - -
MMPA 24º 27 ± 3
FMA 21˚ 28 ± 3
LFH 56% 55 ± 2
Jarabak ratio 64% 61± 2
U1/Mx 116 109 ± 6
L1/Mn 106º 93 ± 6
IIA 110º 133 ± 10
Wits
Appraisal
+4 mm 1 ±1.9 F
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Panoramic Radiograph
All teeth are present including all 8’sRight side ramus length = 69.1Left side ramus length =69.3
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Diagnostic Summary
R.K is a 14 year old female, denied any relevant medical problem and multiple dental fillings with fair oral hygiene, complains of “My upper teeth are protruding and overlapping”.
She has a class II/I incisor relationship based on class II skeletal pattern, average lower facial height, incompetent lips, and a mildly convex facial profile, acute labiomental and nasolabial angles with slight facial asymmetry.
Cant of maxilla ,O.J of 6.5 mm, O.B average complete to the teeth, mild crowded upper arch. Upper midline shift to the left 1 mm and lower midline shift to the right 3 mm. Scissor bite on the lower left 4,5. Molar relationship is class I on the left side and class II on the right side, canine relationships is class I on the left side and class II on the right side.
Complicated by lower dental displacement to the right, Proclined lower labial segment, Rotated upper left 1,2 and right 2, lower right 5. Lingualy tilted lower left 4,5, Deep curve of spee in the lower Lt. side, and anterior Bolton discrepancy .
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Problem List…
Pathological:
Gingivitis and plaque deposition, white spot lesion on upper Rt. 5
C/C “Protruding and overlapping my upper teeth”
Skeletal:
Class II skeletal pattern
Soft tissue:
Slight facial asymmetry
Incompetent lips
Convex facial profile
Acute labiomental and nasolabial angles
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Problem List
Dental:
Cant of maxilla
Class II div. I incisor relationshipOverjet 6.5 mm.Scissor bite on the lower left side 4,5,.Displacement of lower arch.
Upper midline shift to the left 1 mm and lower midline shift to the right 3mm
Lower incisor proclinedLingually tilted lower left 4,5
Rotated upper left 1,2, right 2 and lower right 5Class II full unit molar and canine on the Rt.side.
Mild upper arch crowdingDeep curve of spee on the lower left side of arch.Anterior bolton discrepancy
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Treatment Aims
Improve oral hygiene.
Address c/c of the patient’s
Skeletal:
Accept mild class II SK pattern
Correct maxilla cant.
Soft tissue:
Accept Slight facial soft tissue asymmetry
Achieve competent lips
Accept convex profile
Correct labiomental and nasolabialangles
Dental:
correct dentoalveoular Cant of maxilla
Achieve class I incisor relation.
Correct Over jet.
Correct scissor bite and displacement .
Correct rotated teeth.
Correct mild crowding in upper.
Correct upper and lower midline shift.
Correct inclination of lower anterior segment.
Achieve class I canine in the Rt. Side and
maintain class I in the Lt. side.
Achieve class II molar in left side and
minatine class II in the Rt. Side.
Level curve of spee.
Correct Bolton discrepancy.
Maintain the correct result.
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Treatment Plan
(GROWTH MODIFICATION)
(Hybrid Appliance)
1. OHI.
2. Modified Twin block appliance(Hybrid Appliance).
3. Upper and lower fixed app.
4. Re-evaluation for Extraction pattern.
5. Retention:
Long term: Upper and lower fixed retainer from 3-3 &(SCF )
Short term: Upper and Lower H.R
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Justification (Extraction)
DENTAL:
CRITERIA VALUE NORMAL V. PRO/CON
Tooth size- arch length Upper : -3.5 mm Lower: +1
8-11 mm crowding CON. Ext
Curve of Spee L:3mm,R:1mm More than 6 severe CON. Ext
Bolton discrepancy 85% If 4* more then extract CON. Ext
Peck & Peck L1:80%L2: 75%
L1:88-92 (if less extract)L2: 90-95 (if less extract)
PRO. Ext
PRO. Ext
Irregularity index 0 mm X>6.5 mm extract CON. Ext
Incisor-Man. Plane angle 105˚ 85˚-95˚ PRO. Ext
Frankfurt-Man. Incisal angle 55 60˚-75˚ PRO. Ext
Upper incisor to NA 6mm, 27.5˚ 4mm anterior, (22-25) PRO. Ext
Lower incisor to NB 7 mm, 37˚ 4 mm anterior ( 22-25) PRO. Ext
Lower incisor to A-pog 4 1-3 mm anterior to it PRO. Ext
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Justification (Extraction)
SKELETAL
CRITERIA VALUE NORMAL VALUE PRO/CON NON-EXTRACTION
FMA 21˚ 20˚-30˚ CON. Ext
SN-MP 31˚ 31˚-34˚ CON. Ext
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Justification (Extraction)
SOFT TISSUE
CRITERIA VALUE NORMAL VALUE PRO/CON NON-EXTRACTION
POSITION OF UPPER LIP –E LINE
3.5mm 2mm ±3 CON. Ext
POSITION OF LOWER LIP- E LINE
2 mm 2mm ±3 CON. Ext
NASOLABIAL ANGLE
85 90˚-115˚ PRO. Ext
UPPER LIP MORPHOLOGY
12mm≠15mm
(strained)
3 mm belowe sk A point =
Vermilion to labial surface of teeth ±1
PRO. Ext.
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Justification
OTHER FACTORS
CRITERIA VALUE PRO/CON NON-EXTRACTION
GROWTH Non growing patient PRO. Ext
MIDLINE In-coincident PRO. Ext
PATIENT PEREFERENCE Extraction PRO. Ext
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Justification
Growth Modification: (Modified twine block)
Mild Skeletal class II.
Cant maxilla
Dentoalveoular effect
Fixed Appliance
Alignment and leveling of teeth
3-D tooth movement( bodily movement)
Closing of spaces and retraction of anterior teeth
Upper and lower arch coordination
MBT prescription slot 0.022:High torque is needed to retract the anterior teethLess anchorage demand.
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Justification
Retention:
Upper fixed retainer: crowding ,rotation and midline shift.
Upper CSF: rotated incisors
Upper H.R: to prevent re opening Ext. space and improve settling.
Lower H.R.: stabilize dental arch and improve settling.
Lower fixed retainer: prevent late anterior mandibularcrowding and midline shift.
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Treatment Details and Mechanics
1. Full records
2. Impression for modified twin block
3. Delivery of modified twin block(wear full time)
After we get true molar and canine relationship by dentoalveoular effect:
11. Separators on upper and lower 6’s
12. Band selection and cementation on upper and lowe6’s
13. Upper and lower direct bonding of fixed appliance MBT slot 22.
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Treatment Details and Mechanics 15. Aligning and leveling upper and lower arch using wires
0.014, 0.018 and 0.017*0.025 NiTi
16. Working upper wire 0.019*0.025 SS (expanded)
17. Re-evaluat for extraction pattern
18. Retraction of upper anterior teeth into class 1 by close coil spring.
20. Steel ligation from 3-3 in the upper arch.
21. Close remaining space from post- anterior.
22. Interproximal reduction of lower ant. teeth and reshaping of upper incisors.
23. Finishing and detailing using 0.021*0.025 TMA wire
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Treatment Details and Mechanics
25. settling .
26. Retention:
Upper and lower fixed retention from 3-3 using multistranded 17.5 mil SS.
Debonding of upper and lower fixed app.
Upper impression for upper and lowerH.R.
26. Insertion of upper and lower H.R.
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The End
Thank You...