Dental Trauma in children I. - TOP Recommended · PDF fileDental Trauma in children I. ......
Transcript of Dental Trauma in children I. - TOP Recommended · PDF fileDental Trauma in children I. ......
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Dental Trauma in children I.
5DM PEDO
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Childhood is a risky period of life considering trauma (high risk and incidence of injuries)
Injuries to the teeth can severely harm a child in these aspects:
functional
esthetic
psychological
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Epidemiology of injuries
30% of children experience trauma of MD
22% of children experience trauma of PD
main incidence in MD - 1. – 3. year of life
main incidence in PD - 8. – 11. year of life
up to 3 y. there is no difference between sexes
after 3rd year 2–3x more frequent in boys
in 90% of trauma - maxillary teeth
in 70% of trauma - incisors
most frequently one tooth is injured 60%
two teeth 30%
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ETIOLOGY
• direct trauma to the dentition – collision with hard object, stick, fist
• indirect trauma – sudden forceful closure of the mouth – Mn teeth against Mx – blow to the chin during fall, fight, car accident
• most common places – home, school
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Epidemiology of injuries in milky dentition
walk, run....
falls from chair, table, pram
battered child syndrome
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Epidemiology in permanent dentition
swings, climbs – falls on playgrounds
falls from: bike, scate, in-lines
fight
car accidents
other
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PREDISPOSING FACTORS FOR DENTAL TRAUMA
1. Age (8-10years)
2. Sex (boys 12% - 32% ; girls 4% - 19%)
3. Maloclusions – Angle class II with protrusion
4. Handicaped individuals
5. Refractive defect of the eye
6. Dental anomalies – quantitative defect of enamel
7. Season (spring, summer)
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Battered child syndrome
• in some cases the oral injury can be a result battered child syndrome
• small child is subject to continuous physical abuse from one or both parents
• attemps to silence screaming/crying child • discrepancy between history and clinical findings • Multiple bruises in different stages of healing • Signs of old fractures on x-rays • Scars, cigarette burns, etc. • has to be reported
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Patient record after injury
ANAMNESIS:
- name, surname, address, insurance
- name of accompanying person, wittness, address
- description of an accident
HEALTH STATUS:
-General (hemorhagic diatesis, epilepsy...)
- status after trauma (whether the patient remembers circumstances – problem with small children, unconsciousness, nausea, vomiting, pain)
WHEN ACCIDENT HAPPENED (record time)
ADMINISTERED MEDICAMENTS
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Examination of trauma patient
Extraoral
-deformities, colour, haemorrhage,hematomas, abrasions, lacerations, penetrative wounds, abrasions, contusion – face, head, neck (+limbs visible part)
- examination by palpation
- mobility of fragments
Intraoral – set of order 1. soft tissue examination 2. hard tissue examination 3. hard dental tissue examination
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Examination of trauma patient
Intraoral
- dental status
- lines of fracture
- mobility
- hematoma
- bleeding
- dislocation
- vitality test, percussion
- status of mucosa (and other tissues of oral cavity)
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Examination of trauma patient
Auxilliary examinations
- x-ray ! (i.o., e.o., OPG)
-every injury, forensic reasons also
- blood tests ( APTT, Trc, etc. – blood cloting) vitality testing – just following trauma may be false
negative – little significant...must be repeated after 1 months and 6 months
photography - usefull
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SEQUELAE OF TRAUMA TO PRIMARY
TEETH
• Infection in periodontal ligament • Pulpitis • Pulp necrosis • Pulpal obliteration • Inflammatory resorption • Ankylosis • Coronal discoloration • Complications following intrusion • Complications following avulsion
• Injuries to developing permanent dentition.
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CLASSIFICATION OF DENTAL TRAUMA
By WHO 1979, modified by Andreasen in 1981
A) Fracture of crown
B) Fractures of roots
C) Combination of crown and root fracture
D) Luxations: contussion
subluxation
intrusion
extrusion
avulsion
E) Trauma of the facial soft tissues: contusion, abrasion, laceration
F) Trauma of jaws (bones): fractures of alveolar socket
fr. of alveolar bone
fr. of jaws (Mx,Mn)
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CLASSIFICATION OF DENTAL TRAUMA – Andreasen
(detailed)
A) Crown fracture
• Enamel infraction
• Enamel fracture
• Fracture of the enamel and dentin
• Fracture of the enamel and dentin near the pulp
• Fracture of the enamel and dentin with pulp exposure
• Fracture of the enamel and dentin with pulp overlap
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CLASSIFICATION OF DENTAL TRAUMA
B) Fracture of the root
• fracture in the coronal third
• fracture in the middle third
• fracture in the apical third
• vertical fracture
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CLASSIFICATION OF DENTAL TRAUMA
C) Combined fracture of the crown and the root
• Fracture of the crown and the root with no complication
• Fracture of the crown and the root with exposed pulp
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CLASSIFICATION OF DENTAL TRAUMA
D) Injuries to the tooth supporting tissues
• Concussion
• Subluxation
• Intrusion – Intrusive luxation
• Extrusion – Extrusive luxation
• Luxation – Lateral luxation
• Avulsion
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Infraction of the enamel
Cl.picture
- infraction only in enamel, visible fracture line on the surface of the
tooth
- an incomplete fracture (crack) of the enamel without loss of tooth
structure
- Percussion test – not tender
- Mobility test - normal mobility
- Sensibility pulp test - usually positive (important in assesing future
risk of healing complications)
- RTG - periapical view, no radiographic abnormalities.
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Infraction of the enamel
Th:
- no treatment or only impregnation with NaF or Bond system
(to prevent discoloration of the infraction lines)
Follow-up
• Not needed (only if combined with other type of injury)
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Fracture in the enamel
Cl. picture
- fracture confined to the enamel with loss of tooth structure, esthetic change of crown shape
- small pain to irritation, sharp margin irritates lip or tonque
- dentin not exposed
- Percussion test – not tender
- Mobility test - normal mobility.
- Sensibility pulp test - usually positive
- RTG – loss of enamel.
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Fracture in the enamel
Th:
- DD – trimming(cutting), impregnation
- PD- trimming, impregnation
conservative treatment with compomer or composite
If a tooth fragment is available, it can be bonded to the tooth.
Follow-up
Clinical and radiographic control at 6-8 weeks and 1 year.
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Fracture in the enamel and the dentin
A fracture confined to enamel and dentin
with loss of tooth structure, but not involving the pulp.
Cl. picture (1)
- small pain on irritation
- Visible loss of enamel and dentin. No visible sign of exposed pulp tissue.
- Percussion test - not tender. If tenderness is observed evaluate the tooth for possible luxation or root fracture injury.
- Mobility test - normal mobility.
• Sensibility pulp test - usually positive.
The test may be negative initially indicating transient pulpal damage. Monitor pulpal response until a definitive pulpal diagnosis can be made.
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Fracture in the enamel and the dentin
RTG - enamel-dentin loss is visible
Radiographs recommended - periapical, occlusal and eccentric exposure – rule out displacement or root fracture
If the fragment is not found - Radiograph of lip or cheek lacerations to search for tooth fragments or foreign material.
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Fracture in the enamel and the dentin
Th:
If a tooth fragment is available, it can be bonded to the tooth.
- DD- trimming, impregnation, GIC filling, compomer filling
- PD- conservative treatment with compomer or composite filling (definitive)
Follow-up
Clinical and radiographic controls after 6 – 8 weeks, 1 year
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Fracture in the enamel and the dentin
(near the pulp)
Cl. Picture (2)
- patient feels pain to irritation
- Vitality: usually positive
Th: PD
- indirect pulp capping with Ca(OH)2
- protective celluloid crown with GIC for 8 weeks
- after temporary treatment if the pulp is vital:
definitive filling (compomer/composite)
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Fracture in the enamel and the dentin
near the pulp
Th:
YPT- definitive tretment only after apex closure
Vitality examination:
1., 2., 6. week, 1 year
DD- indirect pulp capping and protective celluloid crown
- Pulpotomy or extraction
Complications:
- pulp inflammation, necrosis, gangrene
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Fracture in the enamel and the dentin with
pulp exposure
A fracture involving enamel and dentin
with loss of tooth structure and exposure of the pulp.
Cl. picture
- painfull, bleeding from pulp
- Percussion test - not tender. If tenderness is observed evaluate the tooth for luxation or root fracture injury
- Mobility test - normal mobility.
- Sensibility test - usually positive. The test is important in assessing risk of future healing complications. A lack of response at the initial examination indicates an increased risk of later pulp necrosis.
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Fracture in the enamel and the dentin with
pulp exposure
• RTG – loss of enamel and dentin visible, pulpal cavity exposed
• Periapical, occlusal and eccentric exposure.
(They are recommended in order to rule out displacement or the
possible presence of a luxation
or a root fracture.)
• Radiograph of lip or cheek lacerations
to search for tooth fragments
or foreign material
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Fracture in the enamel and the dentin with
pulp exposure
Th: possibilities PD
- depend on the size of pulp exposure, time, infection, stage of tooth development
1. Direct pulp capping: small pulp exposure, cooperative patient, time ≤6 h, no infection
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Fracture in the enamel and the dentin with
pulp exposure
Working procedure
• Cleen the tooth with Fys.solution, dry, direct pulp capping
• GIC and definitive filling or GIC and protective crown ,
• Sterile instruments, dry operative field
Prognosis:
• After 4 weeks- line of odontoblasts
• After 8 weeks- new dentin
Vitality examination:
• - 1., 2., 4., 6. week
.
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Fracture in the enamel and the dentin with
pulp exposure
2) Vital amputation: immature permanent tooth/permanent tooth
• Greater perforation
• Time more than 6 h.
• Infection
• Damage of periodontal tissues
Working procedure:
• Sterille pulp amputation in the region of pulp and papilla, controll bleeding,
• Capping with Ca(OH)2, GIC, definitive filing
Prognosis:
• Dentin bridge after 2-3 month
Irreversible damage of dental pulp:
• Extirpation and endo th (PD) or extraction (YPT if mesodermal papila damaged irreversibly)
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Fracture in the enamel and the dentin with
pulp exposure
Treatment in deciduos dentition:
• Dental pulp has lower biological value, lower defensiveness
Th:
• vital amputation (less success)
• vital extirpation
• extraction
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Fracture of the crown with pulp
overlap:
Cl. Picture
• painfull,
• dental pulp overlap fracture aperture – pulp capping impossible
Th:
• YPT - Deep vital amputation
• PD - Vital extirpation
• DD - Vital extirpation/Extraction
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Fracture of the crown and root non
complicated (without pulp involvement)
Cl. picture:
• Fracture line crosses crown and root
• A fracture involving enamel, dentin and cementum with loss of tooth structure, but not involving the pulp.
• Visual signs - crown fracture extending below gingival margin.
• Percussion test - tender.
• Mobility test - coronal fragment mobile.
• Sensibility pulp test - usually positive for apical fragment.
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Fracture of the crown and root non
complicated (without pulp involvement)
• RTG – Apical extension of fracture usually not visible.
• Radiographs recommended - periapical, occlusal and eccentric exposures.
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Fracture of the crown and root non complicata
Th: PD
• Fragment removal and gingivectomy (sometimes ostectomy) Removal of segment with subsequent endodontic treatment and restoration with a post-retained crown. This procedure should be preceded by a gingivectomy, ostectomy with osteoplasty. This treatment option is indicated in crown-root fractures with palatal subgingival extension.
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Fracture of the crown and root non complicata
Th:
• Orthodontic extrusion of apical fragment Removal of the segment with subsequent endodontic treatment and orthodontic extrusion of the remaining root with sufficient length after extrusion to support a post-retained crown.
• Surgical extrusion Removal of the mobile fractured fragment with subsequent repositioning of the root in a more coronal position. A rotation of the root (90 or 180) may offter a better position for periodontal ligament healing.
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Fracture of the crown and root non complicata
Th:
• YPT: apexification, definitive endodontic treatment, prosthodontic treatment
• DD: extraction
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Fracture of the crown and root
complicata (involving pulp)
Cl. picture:
A fracture involving enamel, dentin, and cementum with loss of tooth structure, and involving the pulp.
• transverse fracture more than 4 mm subgingival
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Fracture of the crown and root
complicata
Percussion test - tender.
Mobility test - coronal fragment mobile
Sensibility tet - usually positive for apical fragment.
Radiographs recommended - periapical and occlusal exposure.
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Fracture of the crown and root
complicata
• Fragment removal and gingivectomy
(sometimes ostectomy)
Removal of segment of the fractured fragment
with subsequent endodontic treatment and
restoration with a post-retained crown. This
procedure should be preceded by a
gingivectomy and sometimes ostectomy with
osteoplasty. This treatment option is only
indicated in crown-root fractures with palatal
subgingival extension.
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Fracture of the crown and root
complicata
• Orthodontic extrusion of apical fragment
Removal of the segment of the fractured
fragment with subsequent endodontic treatment
and orthodontic extrusion of the remaining root
with sufficient length after extrusion to support a
post-retained crown.
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Fracture of the crown and root
complicata
• Surgical extrusion
Removal of the fractured fragment with
subsequent repositioning of the root in a more
coronal position. A rotation of the root (90 or
180) may offter a better position for periodontal
ligament healing.
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Fracture of the crown and root
complicata
• Extraction
Extraction with immediate or delayed implant-
retained crown restoration or a conventional
bridge. Extraction is inevitable in very deep
crown-root fractures, the extreme being a
vertical fracture
• Th DD
- extraction
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Fractures of the root
• fracture in the coronal third
• fracture in the middle third
• fracture in the apical third
• vertical fracture
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Root fracture in coronal third
Cl. picture:
• mobility 2.-3. degree, most in trauma direction and in long axis
• supraocclusion
• pain to pressure
• marginal gingiva damage
• decreased reaction to cold
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Root fracture in coronal third
Th:
• Subgingival fracture: gingivectomy, prosthodontic treatment with pin (exstirpation, endo th, intrapulpal post)
• Cross line under alveolus and communication with oral cavity: extraction
• Transversal fracture: conservative and ortodontic treatment (endodontic treatment, pin in root, 4 weeks root extrusion with orthodontic appliance, 6 weeks stabilisation in new position
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Root fracture in middle third
Cl. picture:
• mobility of the tooth
• pain during function
• apical fragment is stabile
• decreased reaction to cold
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Root fracture in middle third
Th:PD
• Pulp damage: endodontic treatment
• No dislocation: splinting for 3.-4. months with wire and composite
• With dislocation: reposition, splinting for 3 - 4 months, endodontic treatment with intraradicular pin
• Extraction
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Root fracture in apical third
Cl. picture:
• mobility, I. degree
• pain to percussion
• reaction to cold or no reaction to cold
Th:PD
• Splinting for 2-3 months
• Necrotic pulp: endodontic treatment and apex amputation
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Root fracture in apical third
Th:DD
• Extraction
• Leave apical third (erupting permanent
tooth will resorb remaining apical part of
root
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Alveolar fracture
• A fracture of the alveolar process; may or may not involve the alveolar
socket.
• Teeth associated with alveolar fractures are characterized by mobility of
the alveolar process; several teeth typically will move as a unit when
mobility is checked. Occlusal interference is often present
• Displacement of an alveolar segment. An occlusal change due to
misalignment of the fractured alveolar segment is often noted.
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Alveolar fracture
• Percussion test – tender
• Mobility test - entire segment mobile and moves as a unit.
• Vitality test – usually negative
• RTG - The vertical line of the fracture may run along the PDL or in
the septum. The horizontal line may be located apical at the apex or
coronal to the apex. An associated root fracture may be present.
• Occlusal, periapical and eccentric exposure and OPG
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Alveolar fracture
Treatment
• Manual repositioning or repositioning using forceps of the displaced
segment.
• Stabilize the segment with splinting for 4 weeks
Patient instructions
• Soft food for 1 week
• Good healing following an injury to the teeth and oral tissues
depends, in part, on good oral hygiene. Brushing with a soft brush
and rinsing with chlorhexidine 0.1 % is beneficial to prevent
accumulation of plaque and debris.
Follow-up
• Splint removal and clinical and radiographic control after 4 weeks.
• Clinical and radiographic control after 6-8 weeks, 4 months, 6
months, 1 year and yearly for 5 years
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Jaw fracture
• A fracture involving the base of the maxilla or mandible
and often the alveolar process. The fracture may or may
not involve the alveolar socket.
• Usually displacement between two alveolar segments
within the dental arch.
• Percussion test – tender
• Mobility test – mobility in fracture line
• Vitality test – maybe positive or negative
• RTG - The vertical line of the fracture line may run along
the PDL or in the septum. Periapical, OPG, skull
projections (AP, lateral, Clementschich)
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Jaw fracture
Treatment
• Manual repositioning and stabilization of the fracture with splint
using intermaxillary immobilization for 4 weeks.
• An alternative treatment is surgical repositioning and stabilization
using plating. In this case intermaxillary splinting can usually be
avoided.
Patient instructions
• Good healing if good oral hygiene. Brushing with a soft brush and
rinsing with chlorhexidine 0.1 %
Follow-up
• Splint removal and clinical and radiographic control after 4 weeks.
• Clinical and radiographic control after 6-8 weeks, 4 months, 6
months, 1 year and yearly for 5 years.