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Hypochlorite accident during wndodontic therapy with nerve damage - A case report
Silvia Perotti1, Paola Bin2, Rossana Cecchi3
1Univeristy of Brescia. silvia.perotti@unibs.it.
Acta Bio-Medica : Atenei Parmensis
|April 11, 2018
Summary
Sodium hypochlorite extrusion during endodontic therapy can cause severe soft tissue and nerve damage. This case highlights rare but serious complications and discusses associated medico-legal issues.
Area of Science:
- Dentistry
- Endodontics
- Oral Surgery
Background:
- Endodontic therapy is a common dental procedure.
- Sodium hypochlorite (NaOCl) is a widely used bleaching agent in endodontics.
- Accidental extrusion of NaOCl beyond the root apex is a rare complication.
Observation:
- Extrusion of NaOCl can lead to significant soft tissue and nerve damage.
- Reported neurological complications include paraesthesia and anaesthesia affecting trigeminal nerve branches.
- Motor nerve damage, specifically to the buccal branch, can cause facial muscle dysfunction.
Findings:
- The case presented demonstrates severe destructive effects on soft tissues and nerves due to NaOCl extrusion.
- NaOCl's cytotoxic nature causes oxidation of cellular components, leading to necrosis and ulceration.
- Neurological deficits, though rare, can be profound and prolonged.
Implications:
- Awareness of NaOCl's potential for severe complications is crucial for clinicians.
- Proper technique and management are essential to prevent extrusion and mitigate risks.
- This case underscores the importance of considering medico-legal aspects in managing such adverse events.
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