Complications of
endodontic treatment
1
Loca
Regional Systemic
Plug
V,
Reasons
Insufficient irrigation and recapitulation
Loss of the working length
Solution
Repeated careful instrumentation with a thin instrument
Irrigation is not effective in this case!!!
Ledging
Reasons
The instrument is not bended in advance!
No control of the WL
No recapitulationLoss of the WL
Solution
The instrument must be bended in advance
Careful but complete rotation Finishing with the fine filing
No NiTi!!!
Zipping a Elbow
The instrument is not bended in advance!
Rotation in curved canals
Stripping
Reasons
Bad orientation in morphology - no diagnostic x-Instruments are nod bended Rotary NiTi with a big taper
Dangereous zones Mandibular molars - mesial roots
Premolars, esp. maxillar Mandibular incisors
Oblast isthmu
Stripping
Důkladný přehled! Šetřit oblast isthmu!
Ruční preparace!
Menší kónus NiTi !
Stripping
Bend the instrument and eventually blunt it!
Fracture of the root canal instrument
Reasons
Insufficient coronal flaring
Incorrect movement of the root canal instrument
Enlargement of the root canal till the instrument
Ultrasound tips
Rotating root canal instrument — caution!
Bypass
Leaving in
Surgical treatment
Fractured instrument
Pištěl
Systemic
ons
Systemic complications
eriostitis
^ Inflammation of soft tissues (face, nec
> Gulp of t informati
he instrumen ion)- cough
mm KBB
t (X ray, remnant d
MM
^ Aspiration of the instrument -emesis
Caution!
Always find the loss instrument !!!!!!