Trauma Guidelines Permanent Dentition - International Association of Dental Traumatology 2020 Flashcards
What is enamel infarction
- incomplete enamel fracture
- no loss of tooth fractures
What would a trauma stamp for enamel infarction show
no TTP
no mobility
EPT/ECL = positive (however it is possible for it to be negative - transient pulp damage)
no radiographic abnormalities
What x-ray should we take for enamel infarction
PA
What tx can we do for enamel infarction
no tx
if severe or unaesthetic, can seal with composite to prevent bacterial ingress and prevent discolouration
What is the follow up for enamel infarction
none required
What are the favourable outcomes of enamel infarction
- asymptomatic
- positive pulp testing
- continued root development in immature teeth
What are the unfavourable outcomes of enamel infarction
- symptomatic
- pulp necrosis
- infection
- apical periodontitis
- lack of further root development
What would the trauma stamp for enamel fracture show
- no ttp
- normal mobility
- ept/ecl usually positive response
clinically - loss of enamel. remember to ask about where the fragment is
What x-rays for enamel fracture
- PA
- additional views only indicated if considering other potential injuries or trying to locate missing fragment
- will see enamel loss on x-ray
What is the tx for enamel fracture
- can bond fragment back on
- smooth broken edge and leave
- place composite
What is the follow up for enamel fracture
6-8wks
1 yr
What are the favourable outcomes for enamel fracture
- asymptomatic
- positive pulp testing
- good quality restoration
- continued root development
What are the unfavourable outcomes of enamel fracture
- symptomatic
- pulp necrosis
- apical periodontitis
- loss of restoration
- breakdown of restoration
- lack of further development in immature teeth
What would the trauma stamp for uncomplicated enamel dentine fracture show
- TTP - nil
- mobility - nil
- EPT/ECL - positive usually
What radiographs for uncomplicated enamel dentine fracture
PA unless others indicated
enamel and dentine loss visible
What is the tx for uncomplicated crown (enamel dentine) fracture
- bond fragment back on
- rehydrate the fragment first for 20 mins
or - cover exposed dentine - gi or comp
*if close to pulp (0.5mm) then caoh liner and cover
What is the follow up for uncomplicated crown fracture
6-8wks
1 yr
What are the favourable outcomes of uncomplicated fracture
- asymptomatic
- +ve pulp testing
- good quality restoration
- continued root development
What are the unfavourable outcomes of uncomplicated enamel dentine fracture
- symptomatic
- pulp necrosis and infection
- apical periodontitis
- loss of restoration
- breakdown of restoration
- lack of further development in immature teeth
What would the trauma stamp for complicated crown fracture show
- TTP - nil
- mobility - nil
- EPT/ECL - usually +ve
- exposed pulp sensitive to stimuli
What are the radiographs for complicated crown fracture
PA
other views only taken if indicated
enamel dentine loss visible
What is the tx for complicated crown fracture if the tooth is immature i.e open apex
- aim to preserve pulp via pulp cap, partial pulpotomy
When is pulp cap indicated
<24h and <1mm exposure
When is partial pulpotomy indicated
> 24h
1mm exposure
When should you do a coronal pulpotomy rather than partial pulpotomy
necrosis/hyperaemia
- What is the tx for complicated crown fracture with a closed apice
- conservative options still preferred e.g partial pulpotomy
- may need to consider RCT
What is the follow up for complicated enamel dentine fracture
- 6-8wks
- 3 months
- 6 months
- 1 year
What do we want to see on a radiograph to assess continuing development of an immature tooth
- lengthening of root - mirroring adjacent undamaged teeth
- thicker dentine walls
- no PAP
- no root resorption
What are favourable outcomes of complicated enamel dentine fracture
- aymptomatic
- positive pulp test response
- good quality restoration
- continued root development
What are unfavourable outcomes for complicated crown fracture
- symptomatic
- pulp necrosis
- apical periodontitis
- loss/breakdown of restoration
- lack of further development of immature tooth
- discolouration
What is the procedure for a pulp cap
- trauma stamp - need no TTP and positive pulp test
- LA & dam
- clean area with water and disinfect with hypochlorite
- NS-CaOh placed on pulp wound.
- Seal with GI/Comp restoration
Can also bond fragment back on
What can be used instead of NSCaOH for dressing pulp wounds
- non staining calcium disilicate
What are the clinical findings/trauma stamp for uncomplicated root fracture
- crown fracture extends below GM
- TTP - yes
- mobiility - coronal fragment mobile
- EPT/ECL - usually positive for apical fragment
What xrays do we want for uncomplicated crown root fracture
- PA + occlusal
- 2 additional xrays (parallax)
- apical extension of fracture not usually visible. may require CBCT for whole apical extension of fracture
What is the emergency tx for uncomplicated crown root fracture
stabilise loose fragment temporarily
What are the long term tx options for uncomplicated crown root fracture
- fragment removal only + restoration (has to be subcrestal fracture)
- fragment removal + gingivectomy
- orthodontic extrusion of apical fragment
- surgical extrusion
- coronectomy
- XLA
*note that RCT is indicated for many of these tx options
RCT must be done for teeth which require post-crowns due to lack of tooth tissue
coronectomy aims to preserve bone until age for implant
What is the follow up regimen for uncomplicated crown root fracture
- 1wk
- 6-8wk
- 3 mo
- 6mo
- 1yr
- every year for 5 years minimum
What are the favourable outcomes for uncomplicated crown root fracture
- asymptomatic
- +ve pulp test
- continued root development
- good quality rest
What are unfavourable outcomes for uncomplicated crown root fracture
- symptomatic
- discolouration
- pulp necrosis and infection
- apical periodontitis
- lack of further root development
- loss/breakdown of restoration
- marginal bone loss and periodontal inflammation
What are the clinical findings/trauma stamp findigns of complicated crown root fractures
- crown fracture extends below GM
- TTP - yes
- mobile - yes coronal fragment only
- EPT/ECL - usually positive for apical fragment
What is emergency tx for complicated crown root fracture
*stabilise loose fragment
What is the tx options in the mid to longer term for complicated root fracture
- open apice - partial pulpotomy
- closed apice - pulpectomy
- cover exposed dentine
- long term - tx options same as uncomplicated
What is the follow up regimen for complicated crown root fracture
- 1wk
- 6-8 wks
- 3 mo
- 6 mo
- 1 yr
- yearly for at least 5 y
What are favourable outcomes for complicated crown root fracture
- asymptomatic
- continued root development
- good quality restoration