TERM 1 2012 Ariane Skapetis ICT Consultant K-12 Sydney Region ICT DAY K-6.
Dental Injuries - Tony Skapetis
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Classification of dental
trauma & management
of dental avulsions
Dr Tony Skapetis
Clinical Director Education WCOH
Clinical Senior Lecturer
University of Sydney
The University of Sydney
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Take home messages:
� You can make a difference when it comes
to teeth as well!
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Dental nomenclature
& tooth anatomy.
Gabriel snow angel
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Learning Outcomes
� Understanding of the main components of tooth
anatomy and structure.
� The ability to describe and record both the
primary and secondary dentition using
appropriate nomenclature.
� The ability to classify dental traumatic injuries.
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Basic tooth anatomy
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Lets talk in tooth No’s & make things easy!
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Deciduous or Primary Teeth
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What about in the mixed dentition?
Gabriel at 7yrs
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� OPG of a 7 year old
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Assessment & Classification
of traumatic dental injuries
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Things to look for:
� Soft tissue injuries – lacerations, de-gloving.
� Tooth mobility
� Occlusal (bite) level of injured teeth
� Any tooth pieces missing? Where are they?
� Of 6000 patients presenting with facial
injuries to ED, 48% had dental trauma. (Gassner R et al, Oral Surg Oral Med Oral path Oral Rad & Endo
Jan 99).
Ref: Day P F. and Monty S. Duggal. (2006). "The role for 'reminders' in dental
traumatology: 3. The minimum data set that should be recorded for each type of
dento-alveolar trauma - a review of existing evidence." Dental Traumatology
22(5): 258-264.
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Classification of traumatic
injuries � Ref: WHO publication: Application of the International Classification of Diseases to Dentistry and Stomatology ICD-DA 3rd edition 1994
� Two main groups:
� Injuries to the hard dental tissues of the mouth.
� Injuries to the periodontal tissues or supporting tissues of the teeth.
Bastone et al. Epidemiology of Dental Trauma: A review of the
Literature. Aust Dent J, 2000;45:(1):2-9.
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Injuries to the hard dental
tissues of the mouth:� Crown infraction
� an incomplete fracture of the enamel without loss of tooth structure.
� Uncomplicated crown #� Crown # without pulp exposed
� Complicated crown #� Crown # with pulp exposed
� Uncomplicated crown-root #� Crown # extending below the gum line & involving the tooth root but not
exposing the pulp.
� Complicated crown-root #� Crown # extending below the gum line & involving the tooth root but
also exposing the pulp.
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� How would this injury be classified using WHO classification?
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Injuries to the periodontal tissues or
supporting tissues of the teeth:� Root fractures – where the tooth root only is involved
� Concussion � refers to injury to the tooth supporting structures without abnormal loosening or
displacement
� Subluxation� Tooth loosening without displacement
� Intrusive luxation� Tooth is pushed into tooth socket, towards gum
� Extrusive luxation� Tooth is pushed away from tooth socket but not yet avulsed
� Lateral luxation� Tooth is pushed either antero-posteriorly or mesio-distally i.e. sideways of its
long axis.
� Avulsion� Tooth has come out of socket completely
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� Which teeth are involved in this injury (13yr old boy) and how would this be classified?
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Gabriel at
8yrs….who needs
patients when you
have 4 boys!
Classify this injury.
Gabriel at
8yrs….who needs
patients when you
have 4 boys!
Classify this injury.
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Dental luxations &
avulsions
Useful link:
http://www.dentaltraumaguide.org
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Learning outcomes :
�Ability to provide effective emergency
treatment for dental avulsion.
�An understanding of luxation injury
management
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Luxations & avulsions involving
deciduous teeth:
� Key points:
�Never reimplant a deciduous tooth
�For near avulsions, if the tooth is interfering
with the bite or is at risk of being swallowed or
inhaled, extract it.
�Make sure the tooth has been accounted for
�Refer to dentist when practical
Useful link:
http://www.dentaltraumaguide.org
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Luxation (displacement) injuries
involving permanent teeth
� Where possible, if interfering with bite &/or
an inhalation risk……..try & reposition &
splint.
� Refer to dentist ASAP– since these
injuries are time critical.
Useful link:
http://www.dentaltraumaguide.org
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Avulsions and splinting
of permanent teeth
�Key points:
� Best if done immediately or within
a few hours of injury.
� Storage medium is most important.
� Splinting time is 10-14 days
� Refer to dentist ASAP or within 2
week if able to splint
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Avulsions:
• What is OK to transport an avulsed tooth in?
Fresh milk Yes
Skim milk Yes
Chocolate milk No
Soy Milk No
Egg albumin Yes
Breast milk Yes
Contact lens saline Yes
Saliva Yes
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17 yr old playing cricket & caught
ball with mouth
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1 2
3 4
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Paediatric Dentistry, Westmead HospitalPaediatric Dentistry, Westmead Hospital
Avulsed tooth
showing ligament
cells around root
portion vital to re-
implantation
success.
Avulsed tooth
showing ligament
cells around root
portion vital to re-
implantation
success.
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Treating an avulsion
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Splinting avulsed tooth to adjacent teeth with GIC
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Emergency splints� A good temporary splint can be
made using Al foil and Blu-Tac(or equivalent).
� Use the patients mouthguard or orthodontic retainer.
� Stomahesive wafer cut to size.
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Post re-implantation instructions:
� Determine tetanus immunisation
status.
� Give oral Doxycycline (100mg for adults)
2x/day for 7 days if >12yrs. If <12yrs
give Penicillin V.
� Chlorhexidine(0.1%) mouthwash
2x/day for 7 days.
� Soft diet for 2 weeks.
� Follow up by dentist as soon as
practical.
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Dental Trauma Kit from RDN
contact Rose Ellis: 02 8337 8100
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Questions???Questions???