Recovery of wound

A. Before treatment: radiolucent image is present at arrow

B. After root canal filling

C. 2years later: radiolucent image have been disapeared

Radiolucent image on x-ray films which suggests periapical lesions needs over 6 months to be diminished.

Criteria for diagnose

#Good on x-ray films (a year after treatment)

1.normal or periodontal ligament space within 1mm
2.radiolucent image has not seen
3.normal lamina dura
4.root resorption has not been recognized

#Doubtful on x-ray films (a year after treatment)

1.periodontal ligament space extended to within 2mm
2.radioluceny  has been equal to before treatment , or improved slightly.
3.hypertrophic lamina dura
4.root resorption has been indicated

#Unacceptable on x-ray films (a year after treatment)

1.periodontal ligament space extended to over 2mm
2.radioluceny has been increased
3.lamina dura has not been recovered
4.root resorption has been recognized

Recovery forms of  wound

It is preferable to recover to original organization.

In endodontically treated tooth,  it is ideal that newly cementum attach on apical foramen and root surface. As well, regeneration of bone are expected to take place in the part of bone resorption area, but recovery of wound will possibly be occurred in the form of fibrous granulation.

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