Mulitidisciplinary orthodontic treatment case report
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Transcript of Mulitidisciplinary orthodontic treatment case report
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Multidisciplinary Orthodontic treatment
Case report Dr Sylvain Chamberland
D.M.D., Cert. Ortho. M.Sc.
slideshare.net/sylvainchamberland
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At baseline•Vector TAS mesio buccal + Palatal of 26
✦ Intrusion of 26
•Melsen TAD at #36 site
✦ Protraction of 38
HeAr280909
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At 21 weeks
•Mx: .016 cnt. #26 engaged
•Md: .020 x .020 cnt. Passive elastomeric chain 38-TAD
HeAr280909
HeAr230210
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At 44 weeks•Reassessment of bracket position, arch coordination
•Models to assess fitting of the occlusion for the surgery
HeAr050810
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At 68 weeks•Prior to surgery
(planned in April)
•Dental arches are coordinatedHeAr050810
HeAr170111
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•Prior to surgery and bone grafting
• #38 protracted + uprighted
•Orthodontic decompensation achieved
HeAr170111
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At 85 weeks
•2-3 weeks post-surgery
•Autogenous bone graft from right oblique mandibular line to the upper right & left mx edentulous site + resorbable collagen membrane Bio-Guide
• Le Fort 1
✦ Advancement 4 mm
✦ Inferior repositioning 2 mm
•Genioplasty: chin to the right 4 mm
HeAr160511
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•At 111 weeks, Strauman implant
✓ #14: 4,1 X 12 mm bone level
✓ #16: 4,8 X 12 mm bone level
✓ #24: 4,1 X 14 mm bone level
✓ #36: 4,8 X 8 mm tissu level WNI
•Debonding Jan 2012
HeAr061211 115 weeks
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At 125 weeks
•Debonding
✦ Mx removable retainer
HeAr061211 115 weeks
HeAr210112
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•Final restauration in place
• Total tx time 128 weeks
HeAr120312
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•Forward + downward mvt of the maxilla
•Posterior rotation of md
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•Class II mutilated dentition
•Vertical bite collapse
• Impacted 33, 35
SeCa2111-8
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•TAD site 46 and 36
•Wire is engage into TAD
SeCa020609
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At 34 weeks•Mx: .020 xé-25 niti
•Md: .016 cnt attached to TADs
• 17x25 Niti intrusive arch attached to 33, 43, 31-41
SeCa051009
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At 116 weeks•Oh! By the way I have to use a CPAP.
✦ Hein! You didn’t tell.
• I thought it was not important
•Ms: 20x25 SS reverse curve
✦ 19x15 TMA root spring
SeCa260411
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•Class I relationship is achieved!
•Vertical dimension was maintained
SeCa140812
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•Prior to surgery
•Root parallelism is fair
• 33 & 35 are erupted
• #47 is uprighted
SeCa1003
SeCa140812
183 weeks
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•Le Fort 1
✦ Mx advancement 10 mm
✦ Bone graft form iliac crest
•BSSO
✦ Advancement 12 mm
✦ Advancement of genial process
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•Bone graft from iliac crest to increase thickness of the edentulous ridge
SeCa141112
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•Brackets are bonded to partial denture
SeCa190312
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•Strauman implant
✦ #12-22: Bone level 4,1 X 10 mm Zirconium type
✦ #37: 4,8 X 6 mm WNI
✦ #44: 3,3 X 6 mm Zirconium
• Implant 44 failed and has been replaced
SeCa220513
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•The patient delayed the restoration 46, 44
•Will likely be done in 2015…
SeCa041213
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At 61 weeks•Removal of RPE
•End of Twin Force Bite Corrector
• #47 is protracted
MaHe031012
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At 96 weeks
•Class I relationship is achieved
MaHe040613
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Mechanotherapy•Anterior bite plane
• Intrusive arch + lingual arch
NaPa010206
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NP_3
NaPa010206
NaPa140306
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•When posturing in class I a posterior open bite is created
• This allow clockwise rotation of the distal segment when the BSSO is done
• This reduce slightly the advancement of the chin
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•Face height increased
•Class I relationship is achieved
NaPa310507
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2 y Follow up
•Incisor display improved
•Self esteem improved
NaPa030909
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•Class I
•Mutilated dentition
•Wear sleep apnea device > 2 years
ClPe140512
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•Horizontal bone loss in the maxilla
•Apical granuloma #42
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•Retrognatic maxilla and mandible
•Mx incisors retroclination
•Md incisors proclination
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Tx plan
•Apectomy #42
•Perio evaluation and clearance
•Alleviate dental compensation
•Arch coordination
•Orthognatic surgery: maxillo-mandibular advancement
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•Lingual button + elastomeric chain to help derotation
•Mx + Md: .016 supercable™
ClPe120612
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At 15 weeks•Md: 16x22 cnt
•Mx: ∆EC. .016 sc™
ClPe240912
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At 75 weeks•Mx: EC 14-24. active coil 14-17, 24-27.
✓ ART auxilliary since 6 weeks to be maintained
•Md: 21x21x20x58 mm enmasse ret
✓ Cl III elastics
ClPe201113
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At 100 weeks•Class I relationship…
•Mx: space open for implants
•Md: space closed
ClPe140514
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•1/-SN: torque improved 72° to 88°
• /1-MP: retroclined 107° to 85°
•Occlusal plane improved
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•Le Fort 1: 10 mm advancement, 2 mm inferior repositioning at PNS
•OSMB: advancement + counterclockwise rotation
•Genioplasty: advancement 6 mm
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• Iliac bone graft between Mx bone cuts and implant sites.
•Note healing of 42 apex
•No more snoring, no more apnea
ClPe160914
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137 semaines
•Dépose des appareils (31 mois)
ClPe260115
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•Class II div 1
•Missing 17, 26, 35, 45
KeBiDu080609
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•Hyperdivergent
•Retrognathic mandible
•AP chin deficiency + vertical excess
•Cant of occlusal plane
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•Tx plan
✦ Visual Treatment Objectiveis mandatory
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Mechanotherapy
•Tx initiated: sept 2012
•Mx: TPA to derotate and upright #26 (asymmetric mesial out activation)
✦ 32 weeks of TPA
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At 47 weeks•Dental arches are pretty much
coordinated
•Md space closure to obtain optimal width of a premolar
KeBiDu080813
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•Lip incompetency at repose
•Retrognathic mandible
• Lower incisors could be more upright but space for implant 35, 45 was needed
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•At 64 weeks: Surgery
• Le Fort 1
✦ Rigid fixation
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•BSSO / OSMB
•Note good fitting of the occlusion perop
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At 66 weeks (2 weeks post op)•Change arch wire + ∆ elastics
•A good presurgical orthodontic preparation permits a nice post surgical occlusion
KeBiDu171213
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Tx time: 83 weeks
•Class I relationship
•Posterior segment to maintain root parallelism& avoid extrusion
KeBiDu300414
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•Conterclockwise rotation of the maxilla and mandible helped to maximize mandibular advancement
•But lower incisors proclination reduced md advancement, hence symphysis needed more advancement
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•Restauration implantoportée 36 et 46
•Recommandation d’une greffe gingivale au buccal de 31, 41
KeBiDu181214
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•Proéminence radiculaire inférieure peut expliquer le problème mucogingival observé
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•Class I, open bite
•Severe ALD
•Bimaxillary protrusion
PaPl150512
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•Lip incompetency at repose
•Gummy smile at full smile
•~Normal incisor showing at repose
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Tx plan
•Extraction?
•Orthognathic surgery?
•Or ??
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At 13 weeks•Tx initiated Feb.2013. TADs placed 6 weeks later.
• TPA .032 x .032 SS + paramedian TADs (Elinks)
•Buccal TADs between 15-16, 25-26 (EC)
•Buccal TADs between 36-37, 46-47 (lig. tie)
PaPl 160513
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At 40 weeks•At 25 weeks the TPA was replaced because it impinged into
the palate
•At 22 weeks: Bonded .032 x .032 SS lingual arch
✦ Posterior inferior teeth are intruded with ∆ EC
•At 40 weeks, buccal EC is removed
PaPl 211113 .Md:020 x.025 SW
.Mx:020 x.025 SW
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At 40 weeks•Overbite improved
•Still bimax protrusion
•Need maximum retraction
Initial
PaPl 211113
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At 48 weeks•Posterior openbite is obtained
• Incisors retraction is going on with maximum anchorage
•Note the absence of the lingual arch wich which will cause expansion of the molars (adverse side effect)
PaPl 160114
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At 54 weeks•Tads placed anteriorly to intrude upper incisors
•Palatal lingual ligature to maintain intrusion
• Lower incisors are still retracting
•Mx midline need shifting to the left
PaPl 270214
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At 71 weeks•20x25sw U & L
•Stop intruding lower teeth
•Continue upper intrusion
PaPl 230614
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At 86 weeks•Removal of the TPA and intrusive links
• 2 TADs were lost or removed
PaPl 091014
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•FMA decrease 4°
• /1-MP decrease 10°
✦ /1-APg decreased 3 mm
✦ /1 intrusion 2 mm
•Significant upper molar intrusion & upper incisor intrusion
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•Significant profile improvement
•Competent lip at repose
• Improved smile display
PaPl 150512
Initial
PaPl 091014
Progress
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•À 88 semaines
•À 93 semaines
✦ Finition
PaPl080115
PaPl151214
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•Severe bimaxillary protrusion
•Anterior vertical excess
• Lip incompetency
•Dégagement des dents inférieures lors du sourire
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At 13 weeks•Tx initiated February 25
✦ Mx: 3 segments
•At 13 weeks
✦ Mx:Tomas Pin EP 8 mm + .020x.020 cuniti
✦ Md: Tomas Pin EP 6 mm + .020x.020 cuniti
LiNda 270514
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At 19 weeks
•Mx: .020x.020 Cuniti
•Md: .020 x .025 SS
✦ Retighten lower right pin
LiNda 270514
LiNda080714
Retighten
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At 25 weeks
•Mx: .021x.021x.020x55 mm + Elinks #4 6-P
•Md: .021x.021x.020x58 mm + E #4
✦ Replaced lower right pin
LiNda080714
LiNda190814
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At 31 weeks
• Mx: ∆ Elinks #4 6-P et E3 palatins
• Md: E5 attached to /7s
✦ LR pin loose, lig. tie on both lower pin
• Note posterior open bite
LiNda190814
LiNda290914
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LiNda290914
À 37 semaines
• Mx: ∆ Elinks #4 6-P
• Md: E5 attached to /7s
✦ resserrer TAD inf droit, E4 TAD-2ePmI
• Notez béance postérieure
LiNda121114
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À 42 semaines
• Mx: ∆ Elinks #5 7-P
• Md: ∆ E5 to /7s
LiNda121114
LiNda171214
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• Intrusion postérieure supérieure et inférieure
•Autorotation antérieure et supérieure
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•Amélioration du profil
• Persistence d’une contraction du mentionnier
• Léger excès vertical de la symphyse
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•On continue la rétraction et l’intrusion
•Remarquer les 7s…
LaMaNda260115
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•Classe I
•Béance antérieure
•DDM inférieure
ChOlGa220514
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ChOlGa030914
Mx: 3 segments .020x.020 cnt. Tomas Pin SD 6 mm, Elinks E3 P-4Md: 2 segments .020x.020 cnt. Tomas Pin EP 6 mm, Hamac elastic
ChOlGa221014
Mx: 3 segments .020x.025niti. ∆ E3 P-4.Md: ∆ Hamac
7 weeks later
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•Vector TAS 6 & 8 mm paramedian (out of stock of Tomas Pin
• TPA .032x.032SS. Elinks E6. Md: lingual arch .032x.032TMA
ChOlGa030914
ChOlGa221014
•∆ E links E6. ∆ Hamac
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À 26 semaines•Fermeture significative de la béance antérieure
•Prêt pour exo des 4s
ChOlGa060115
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•Amélioration du scellement labial
•Rotation antihoraire du plan occlusal
•Biproalvéolie: Exo des 4s nécessaires
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•Amélioration du scellement labial
•Rotation antihoraire du plan occlusal
•Biproalvéolie: Exo des 4s nécessaires
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• Intrusion postérieure supérieure et inférieure
•Autorotation antérieure du plan mandibulaire
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What does literature say?•Intrusion of the maxillary posterior teeth can give satisfactory
correction of moderately severe anterior open bites, with elimination of 5 to 6 mm of open bite, but 0.5 to 1.5 mm of reeruption of these teeth is likely to occur.
•Controlling the vertical position of the mandibular molars so that they do not erupt as the maxillary teeth are intruded is important in obtaining a decrease in face height.
Scheffler, Nicole R. et al. Outcomes and stability in patients with anterior open bite and long anterior face height treated with temporary anchorage devices and a maxillary intrusion splint, AJODO, Volume 146 , Issue 5 , 594 - 602
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•Mx: 60% des patients ont une intrusion de 2 à 4 mm T1-T2
•Md: Extrusion occurs during post intrusion of mx teeth.
Percent with change in the maxillary first molar distance from the palatal plane. Note that 60% of the patients had the molar intruded 2 to 4 mm during the splint therapy for intrusion (T1-T2), but only 1 patient had greater than 4 mm of intrusion. During the postintrusion orthodontic treatment, only 2 patients (7%) had 2 to 4 mm of reeruption of the maxillary molars; during the first posttreatment year (T3-T4), 3 patients (11%) had 2 to 4 mm of downward movement, most likely caused by continued vertical growth. From the end of treatment to the more than 2-year recall, 4 patients (16%) had 2 to 4 mm of downward movement, which was also largely due to vertical growth.
Percent with change in the mandibular first molar distance from the mandibular plane. During splint therapy(T1-T2), 2 patients had greater than 4 mm of eruption of the mandibular first molars (7%), and 1 (3%) had 2 to 4 mm of eruption. During postintrusion orthodontics (T2-T3), 5 (17%) had 2 to 4 mm of eruption. During the first posttreatment year (T3-T4), 5 (19%) had an eruption of 2 to 4 mm, but 1 patient had an eruption of 2 to 4 mm. During the second posttreatment year, 4 (16%) had 2 to 4 mm of eruption, and 1 had 2 to 4 mm of intrusion.
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About TADs
•I have tried Aarhus system
✦ Sterilisation tray, driver not easy to unlock from the screw.
• I have tried Vector TAS
✦ Triangular head is fine. Lack of different component for different mechanics
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About TADs•I know use Tomas Pin
✦ Individual dispenser. Head is used for different system
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•#47 Molar Uprithing spring
• #26 TMA root spring
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•Tomas Pin 6 mm pour renforcer l’ancrage
✦ Elinks attaché sur les potences
•Évolution 12 semaines
AmCo12-08-14
AmCo29-10-14
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•Évolution 18 semaines
✦ Rétraction antérieure maximisée
AmCo12-08-14AmCo29-10-14
AmCo10-12-14
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•Tomas Pin SD 8 mm
CIARLANTINI R., MELSEN B., Miniscrew-Retained Ponticsin Growing Patients:A Biological Approach, JCO october 2012
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•Shorter length of 12 could be explain by the long cantilever arm, but i am not sure.
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6 Months Follow up
•No inflammation. Esthetic is good despite a too short incisal edge
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Cope J., McFadden D.,Temporary replacement of missing maxillary lateral incisors with orthodontic miniscrew implants in growing patients: rationale, clinical technique, and long-term results, Journal of Orthodontics, Vol. 41, 2014, S62–S74
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•Kokich was opposed of such approach because he pretend that it would impaired vertical growth of the crest.
•Cope et Wilmes ne semblent pas s’en inquiéter.
•Melsen a démontré qu’un TAD perpendiculaire maintient le volume BL de la crête
•Qui dit vrai?
Case 1. A. 14-year-old male patient with missing upper lateral incisors after orthodontic spaceopening. B. Mini-implants (2mm Å~ 13mm) inserted in lateral incisor spaces. C. Temporary crowns bondedto resin abutments with composite.
Mini-Implant-Supported Temporary Pontics, WILMES B,NIENKEMPER M, RENGER S, DRESCHER D,© 2014 JCO, July VOLUME XLVIII NUMBER 7; 422-9
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Thanks for your attention