endodontic failure

ENDODONTIC FAILURES Diagnosis&management

معالجة \ خامس اسنان
د. معتز م(1-2-3)
18\4\2017

ENDODONTIC TREATMENT EVALUATION

Sucsess:
1-Tooth
2-Soft tissue
3-Radiograph

Failure:

1-Tooth
2-Soft tissue
3-Radiograph

Causes of endo.failures

I.Apical percolonatin:
1-Incomplete Obturation
2-Unfilled Canal
3-Inadvertant Removal Of Silver Point


II.Operative Errors:
1-Root perforation
2-Overfilling
3-Ledge
4-Brooken instrument

III.Errors in case selection:

1-External root resorption
2-Adjacent pulpless tooth
3-Developing apical cyst
4-Perio-endo lesion
5-Constant trauma

Other Causes Of Failure:

• 1-Coronal Microleakage
• 2-Persistant Pain
• 3-Acute Exacerbation Of Chronic Lesion

Examination Of A Failure Case

1-Radiographic Examination
2-Periodontic Examination
3-Examination Of Vitality Of Adjacent Teeth
4-Examination Of Tooth For Constant Trauma