traumatic injuries, cracked teeth and vertical root fractures (vrf)
DESCRIPTION
Traumatic Injuries, Cracked Teeth and vertical root fractures (VRF). Fact. Most dental trauma occurs in 7_12 age range And most trauma occurs in the anterior region of the mouth, maxilla>mandible. 1. Crown FX without Pulp exposure. NO PROBLEM, RELAX AND RESTORE. - PowerPoint PPT PresentationTRANSCRIPT
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Traumatic Injuries, Cracked Traumatic Injuries, Cracked Teeth and vertical root fractures Teeth and vertical root fractures
(VRF)(VRF)
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FactFact
Most dental trauma occurs in 7_12 Most dental trauma occurs in 7_12 age rangeage range
And most trauma occurs in the And most trauma occurs in the anterior region of the mouth, anterior region of the mouth, maxilla>mandiblemaxilla>mandible
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1. Crown FX without Pulp 1. Crown FX without Pulp exposureexposure
NO PROBLEM,RELAX AND RESTORE
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Complicated Crown FX with Complicated Crown FX with Pulp ExposurePulp Exposure
Pulp Cap?
OR:EXTIRPATION if root is fully formed
Partial Pulpotomy@95%Full pulpotomy @75%
@80% IFw/in 24hrs
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2. Crown-Root Fracture2. Crown-Root Fracturesometimes fractures at an sometimes fractures at an
angleangle
Angular Fracture: Is this restorable?
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Remember, Remember,
In all trauma, the primary purpose of In all trauma, the primary purpose of our treatment is to keep the pulp our treatment is to keep the pulp vital, if at all possible, ESPECIALLY vital, if at all possible, ESPECIALLY if apex is openif apex is open
WHY?WHY?
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Pulpotomy – Immature ApexPulpotomy – Immature ApexIf Vital = “Apexogenesis”*If Vital = “Apexogenesis”*
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Apexogenesis vs Apexogenesis vs ApexificationApexification
Dealing with the immature rootDealing with the immature rootApexogenesisApexogenesis (Vital Pulp) best to treat w pulpotomy. The (Vital Pulp) best to treat w pulpotomy. The
idea is to allow the vital pulp to remain idea is to allow the vital pulp to remain vital and complete the development of vital and complete the development of the root apex the root apex
as well as as well as thickening of the RC wallsthickening of the RC wallsRCT maybe needed later BUT not if tooth RCT maybe needed later BUT not if tooth
remains asymptomatic AND vitalremains asymptomatic AND vital
ApexificationApexification (Necrotic Pulp) Hoping to get closure of (Necrotic Pulp) Hoping to get closure of
the apex the apex (&(& there is NO wall thickening)there is NO wall thickening) to be able to later do a proper RC seal via to be able to later do a proper RC seal via obturation. CaOH + time is proper tx over obturation. CaOH + time is proper tx over 3-18mo3-18mo
RCT ALWAYS NEEDED HERE* and is less RCT ALWAYS NEEDED HERE* and is less predictable due to thinner wallspredictable due to thinner walls
ObjectObject of of eithereither treatment is to allow for treatment is to allow for roofing over of apex and allow RCT to be roofing over of apex and allow RCT to be done at a later date. done at a later date.
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And now, Regeneration?And now, Regeneration?
Revascularization of immature Revascularization of immature permanent teeth utilizing a mixture of permanent teeth utilizing a mixture of antibiotics(3 weeks), creating a blood antibiotics(3 weeks), creating a blood clot w/in the RCS which produces clot w/in the RCS which produces development of the tooth structuredevelopment of the tooth structure
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3.Horizontal Root 3.Horizontal Root FractureFracture
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Root FX (Horizontal)Root FX (Horizontal)
What do you do here? Try to reposition and splint 2-4 wks, check for vitality q 30 days
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4. Luxation Injuries4. Luxation Injuries((MOST COMMON OF ALL DENTAL MOST COMMON OF ALL DENTAL
INJURIES)INJURIES)30-44% 30-44%
ConcussionConcussion SubluxationSubluxation ExtrusionExtrusion LateralLateral IntrusionIntrusion
WORST CASE SEQUELAE?
PULP NECROSIS
EXTERNAL/INTERNALROOT RESORPTION
Possible tooth lossAVULSION
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Concussion Luxation InjuryConcussion Luxation Injury Least Least severe of severe of
Luxation injuriesLuxation injuries No displacement No displacement
of tooth nor of tooth nor excessive excessive mobilitymobility
Tooth tender to Tooth tender to touch touch “Bruised “Bruised PDL”PDL”
No radiographic No radiographic abnormalitiesabnormalities
Assess vitality Assess vitality in 4 wksin 4 wks
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Subluxation Luxation InjurySubluxation Luxation Injury Tooth tender to touch Tooth tender to touch
& slightly mobile (1+) & slightly mobile (1+) but not displacedbut not displaced
Possible hemorrhage Possible hemorrhage from gingival crevicefrom gingival crevice
No radiographic No radiographic abnormalitiesabnormalities
Damage to supporting Damage to supporting structures?structures?
Assess vitality in 4 Assess vitality in 4 weeksweeks
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Extrusion Luxation Extrusion Luxation InjuryInjury
Elongated mobile Elongated mobile toothtooth Cl. II mobility or Cl. II mobility or
greater greater Radiographs show Radiographs show
increased apical increased apical periodontal spaceperiodontal space
Manually repositionManually reposition Reposition tooth + Reposition tooth +
Flexible splintFlexible splint (2 (2 weeks)weeks)
Assess vitality in 4 Assess vitality in 4 weeksweeks
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What is a flexible splint?What is a flexible splint?
-Allows physiologic movement of the -Allows physiologic movement of the teeth in order to minimize ankylosisteeth in order to minimize ankylosis
-In the past, .028 gauge ortho wire -In the past, .028 gauge ortho wire bonded to tooth for 7-10 days unless bonded to tooth for 7-10 days unless alveolar FX had occurred. Then 4-8 wksalveolar FX had occurred. Then 4-8 wks
OR: 4-6# fishing line bonded to teethOR: 4-6# fishing line bonded to teeth
--Currently, titanium trauma splint Currently, titanium trauma splint (TTS) is recommended(TTS) is recommended
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Semi-rigid or flexible Semi-rigid or flexible splintingsplinting
Experimental studies in non-human Experimental studies in non-human primates have demonstrated that primates have demonstrated that rigid rigid splinting ,especially for prolonged splinting ,especially for prolonged periods, leads to ankylosis &/or external periods, leads to ankylosis &/or external resorption.resorption.
Maintaining a slight degree of tooth Maintaining a slight degree of tooth mobility appears to be beneficial to PDL mobility appears to be beneficial to PDL healinghealing
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Titanium Trauma SplintMedaris AG, Basel Switzerland
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TTS splintTTS splint
Insert picture of sameInsert picture of same Splinting of traumatized teeth with a Splinting of traumatized teeth with a
new device:TTS (Titanium Trauma new device:TTS (Titanium Trauma Splint)Splint)
Medartis AG, Basel, SwitzerlandMedartis AG, Basel, Switzerland Von arx T, etal Dent Traumatol, Von arx T, etal Dent Traumatol,
’01;17:180-84’01;17:180-84
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Lateral Luxation InjuryLateral Luxation Injury Displaced laterally & Displaced laterally &
often locked in boneoften locked in bone Not tender to touch, Not tender to touch,
not mobilenot mobile Alveolus fracturedAlveolus fractured Percussion test: high Percussion test: high
metallic sound metallic sound (ankylosis)(ankylosis)
Increased PDL space Increased PDL space best seen on eccentric best seen on eccentric or occlusal radiographsor occlusal radiographs
Anesthetize & Anesthetize & repositionreposition
+ Flexible splint (4 + Flexible splint (4 weeks)weeks)
Assess vitality in 4 Assess vitality in 4 weeksweeks
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Intrusion Luxation InjuryIntrusion Luxation InjuryExternal root resorption likelyExternal root resorption likely
Most severe of Most severe of luxations***luxations***
Tooth appears Tooth appears shortershorter: displaced : displaced into alveolar boneinto alveolar bone
PDL destruction/alveolar PDL destruction/alveolar crushing) Beware of crushing) Beware of ankylosis/resorption/ ankylosis/resorption/
pulp necrosis is all but pulp necrosis is all but certain in mature teeth***certain in mature teeth***
Not tender to touch, not mobileNot tender to touch, not mobile Percussion test: high metallic Percussion test: high metallic
soundsound Radiographs not always Radiographs not always
conclusiveconclusive
Slightly luxate with forceps or Slightly luxate with forceps or band and move orthodontically.band and move orthodontically.
Splinting is not usually necessary Splinting is not usually necessary (>4 weeks)(>4 weeks)
Tooth with open apex Tooth with open apex maymay spontaneously re-erupt.spontaneously re-erupt.
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Treatment of intrusion Treatment of intrusion luxationluxation
Closed apex needs ortho. or surgical Closed apex needs ortho. or surgical repositioning and probable RCT in repositioning and probable RCT in 1-3 weeks 1-3 weeks
In all LUXATION and especially INTRUSION In all LUXATION and especially INTRUSION injuries, the apical neurovascular bundle injuries, the apical neurovascular bundle and attachment apparatus will and attachment apparatus will be be affected to some degree>>>loss of affected to some degree>>>loss of vitality & vitality & internal/external internal/external resorptionresorption
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5. Avulsion5. Avulsion
Tooth is knocked completely out of mouthTooth is knocked completely out of mouth Viability of the PDL must be preserved for Viability of the PDL must be preserved for
successsuccess Extra-oral dry time is CRITICAL 30-60”***Extra-oral dry time is CRITICAL 30-60”*** Must be replaced in socket ASAP (15-20”) in Must be replaced in socket ASAP (15-20”) in
order to..order to.. Prevent ankylosisPrevent ankylosis Prevent external root resorptionPrevent external root resorption
To replant or not? should be “decent tooth”: No point in replanting THIS one
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Replant?Replant?
TX is aimed at minimizing the TX is aimed at minimizing the inflammation from the inflammation from the two maintwo main consequences of avulsion, namely; consequences of avulsion, namely; attachment damage and pulpal infection attachment damage and pulpal infection that inevitably results that inevitably results
The SINGLE most VIP factor in achieving The SINGLE most VIP factor in achieving a favorable outcome is the SPEED at a favorable outcome is the SPEED at which a which a cleanclean tooth is tooth is properlyproperly replantedreplanted
Keeping the attached PDL moist is VIP!!*Keeping the attached PDL moist is VIP!!*
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Replantation guidelinesReplantation guidelines
If tooth is out of the mouth less than 15-If tooth is out of the mouth less than 15-20”, replant according to guidelines20”, replant according to guidelines
If tooth was out and placed in cold milk or If tooth was out and placed in cold milk or other physiological solution w/in 15-20” & other physiological solution w/in 15-20” & available for replantation w/in 30”, available for replantation w/in 30”, replant and follow guidelinesreplant and follow guidelines
If tooth is out > 60” and not stored, there If tooth is out > 60” and not stored, there is usually one outcome: resorption and is usually one outcome: resorption and probable loss probable loss
If the pt is pre adolescent, the tooth may If the pt is pre adolescent, the tooth may become infraoccluded (ankylosed) as become infraoccluded (ankylosed) as he/she grows olderhe/she grows older
HOW FAST IS FAST? 5”, 30” 60”, TAKE YOUR PICK, it depends on whose book you read!
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To replant or not To replant or not If the root of the avulsed tooth is not If the root of the avulsed tooth is not
completely formed, the prognosis for completely formed, the prognosis for survival and revascularization is possible survival and revascularization is possible if if not left out>60”not left out>60”
If root is incompletely formed and If root is incompletely formed and replantation is rapid, vitality may be replantation is rapid, vitality may be maintained but is not predictable maintained but is not predictable
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First Aid InstructionsFirst Aid Instructions Handle by crown onlyHandle by crown only Pick off debris with tweezersPick off debris with tweezers Replant tooth if possible Replant tooth if possible __________________________________________________________________ If not, transport in appropriate If not, transport in appropriate
medium:medium: ““HBSS (Hank’s Balanced Salt solution)HBSS (Hank’s Balanced Salt solution) OR “Via Span” (if available)OR “Via Span” (if available) OR OR milk if above not availablemilk if above not available OR place in vestibule (saliva) & OR place in vestibule (saliva) &
Report to dental office ASAPReport to dental office ASAP
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Once in Dental office:Once in Dental office:
Take films to make sure there is no Take films to make sure there is no alveolar FX & that adjacent teeth are alveolar FX & that adjacent teeth are OKOK ““Save-a-tooth” (Hank’s Balanced Salt Save-a-tooth” (Hank’s Balanced Salt
solution)solution) OR “Via Span”, milk, salineOR “Via Span”, milk, saline Gently clean socketGently clean socket Replant and check occlusionReplant and check occlusion Splint (7-10 days)Splint (7-10 days) RX antibioticsRX antibiotics
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Avulsion InjuryAvulsion InjuryWhat What NOTNOT to do! to do!
Do NotDo Not Handle by rootHandle by root Scrub rootScrub root Allow tooth to dryAllow tooth to dry Submerge the tooth in waterSubmerge the tooth in water
(tap water is (tap water is hypotonic> hypotonic>
and will cause cell rupture)and will cause cell rupture)AAE has a Flow Chart Outlining Current Treatment Management Protocols of both Luxation and Avulsion cases ..www. aae.org.
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If over 60” “dry time”If over 60” “dry time”
Remove remnants ofPDL by soaking in Remove remnants ofPDL by soaking in acid for 1” acid for 1”
Soak in Stannous Fl for 5”Soak in Stannous Fl for 5” No harm done to go ahead and complete No harm done to go ahead and complete
endo ASAPendo ASAP SplintSplint
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Immature Tooth: Immature Tooth: Open Apex, Open Apex, revascularization revascularization is possible if out is possible if out
less than 30-60”less than 30-60” Replant as above EXCEPT differentReplant as above EXCEPT different Soak tooth in Doxycycline (1mg/20cc Soak tooth in Doxycycline (1mg/20cc
saline)<replantation for 5” saline)<replantation for 5” Monitor pulp vitality closely (q 30 d or Monitor pulp vitality closely (q 30 d or
until root development is confirmed)until root development is confirmed) Vital Open apex will NOT necessarily Vital Open apex will NOT necessarily
require RCT UNLESS pulp becomes require RCT UNLESS pulp becomes necrotic.necrotic.
What if it does? Do we do apexogenesis What if it does? Do we do apexogenesis then?then?
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AnkylosisAnkylosis A problem following trauma A problem following trauma
and long termand long term rigidrigid splinting splinting
Tooth is solidly fixed and has Tooth is solidly fixed and has a high metallic ring when a high metallic ring when percussing. Does percussing. Does notnot erupt erupt with other teethwith other teeth
May lead to massive external May lead to massive external resorption & loss of toothresorption & loss of tooth
Internal= appearance of Internal= appearance of “aneurysm” w/in canal. “aneurysm” w/in canal.
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Complications with Complications with Replanted avulsed teeth & Replanted avulsed teeth & Possibly with Rigid Long-Possibly with Rigid Long-
Term SplintingTerm Splinting Ankylosis (Replacement Ankylosis (Replacement Resorption)Resorption)
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Vertical Root FractureVertical Root FractureLook for ‘J’-Shaped apical lesion
Look for Drop-off Pocket if . . . .
VRF difficult to confirm radiographically –UNLESS
separation of segments occurs
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Transillumination Restoration Removal + Staining
Other methods of discovering VERTICAL ROOT FRACTURE
A surgical exploration is usually the only other way to confirm presence of VRF*
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Flare-upsFlare-ups
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Flare-upsFlare-ups
A flare-up is an acute exacerbation A flare-up is an acute exacerbation of an asymptomatic pulp/or of an asymptomatic pulp/or periapical pathosis after the periapical pathosis after the initiation or continuation of root initiation or continuation of root canal treatment.canal treatment.
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Patient PresentationPatient Presentation
PainPain Pain and swelling Pain and swelling
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FactorsFactors
MechanicalMechanical chemicalchemical Emotional Emotional
statestate GenderGender Microbial Microbial
• ImmunologicImmunologicalal
• PsychologicaPsychological statel state
• Regulation Regulation of periapical of periapical inflammationinflammation
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IncidenceIncidence
1.4 to 19%1.4 to 19% 20 to 40%20 to 40%
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Age of Patient?Age of Patient?
There is a lack of agreement There is a lack of agreement concerning the influence of age on concerning the influence of age on the incidence of flare-up.the incidence of flare-up.
40_59 year(most)40_59 year(most) Under the age of 20(least)Under the age of 20(least)
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Gender and Flare-upsGender and Flare-ups
Women(most)Women(most)
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Systemic conditionsSystemic conditions
Host resistanceHost resistance Allergy Allergy
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Anatomic Location Anatomic Location
Mandibular teethMandibular teeth premolarspremolars
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Anxiety Anxiety
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Preoperative History of Preoperative History of the Tooththe Tooth
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Number of Treatment Number of Treatment VisitsVisits
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Causes of Inter-Causes of Inter-Appointment PainAppointment Pain
MechanicalMechanical ChemicalChemical Microbial injuryMicrobial injury
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Re-Treatment CasesRe-Treatment Cases
13.6% flare-up13.6% flare-up
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Strategies to Prevent Strategies to Prevent Flare-upsFlare-ups
Anxiety ReductionAnxiety Reduction Behavioral InterventionBehavioral Intervention Occlusal ReductionOcclusal Reduction
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Pharmacologic Pharmacologic Strategies for Flare-upStrategies for Flare-up
Antibiotic Antibiotic NSAIDs and AcetaminophenNSAIDs and Acetaminophen Long-acting Local AnestheticsLong-acting Local Anesthetics
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Patient InstructionsPatient Instructions
By the ClockBy the Clock NOTNOT PRNPRN
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Systemic involvementSystemic involvement Compromised host Compromised host
resistanceresistance Fascial space involvementFascial space involvement
Indications for Antibiotic Therapy
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Treatment of Treatment of Endodontic Flare-upsEndodontic Flare-ups
Diagnosis and Definitive TreatmentDiagnosis and Definitive Treatment Drainage Through the Coronal Drainage Through the Coronal
Access OpeningAccess Opening I&DI&D InstrumentationInstrumentation TrephinationTrephination( For severe pain ( For severe pain
without visible swelling)without visible swelling)
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