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Incidence of periapical lesions and clinical symptoms after pulpectomy--a clinical and radiographic evaluation of 1- versus 2-session treatment.

Journal article
Authors Andrea Gesi
Magnus Hakeberg
Johan Warfvinge
Gunnar Bergenholtz
Published in Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics
Volume 101
Issue 3
Pages 379-88
ISSN 1528-395X
Publication year 2006
Published at Institute of Odontology
Pages 379-88
Language en
Keywords Adolescent, Adult, Age Distribution, Calcium Hydroxide, therapeutic use, Child, Dental Leakage, etiology, prevention & control, Episode of Care, Extravasation of Diagnostic and Therapeutic Materials, etiology, Female, Humans, Logistic Models, Male, Middle Aged, Periapical Periodontitis, etiology, prevention & control, Pulpectomy, adverse effects, methods, Root Canal Irrigants, therapeutic use, Root Canal Obturation, adverse effects, methods, Sex Distribution, Statistics, Nonparametric, Tooth Root, radiography, Toothache, etiology, Treatment Outcome
Subject categories Endodontology


OBJECTIVE: Outcome of pulpectomy in 2 treatment sessions with calcium hydroxide as an intracanal dressing was compared to a procedure comprising instrumentation and root-filling in 1 session. STUDY DESIGN: Subjects with a vital pulp condition (N = 256) were recruited to a randomized clinical trial. Outcome parameters included radiographic signs of apical periodontitis and painful symptoms at clinical follow-ups 1 week and 1-3 years after treatment. RESULTS: Of 244 subjects available for final recall, 17 presented with periapical radiolucency. Lesions were evenly distributed among the 2 treatment groups. Postoperative pain recorded 1 week after permanent filling was significantly associated with overfilling (P = .001), with no difference between treatment groups. There was no association with presence of overfilling and radiographic lesion at end point of recall. CONCLUSIONS: Study confirms that pulpectomy may be carried out at a high rate of success if due attention is given to aseptic operating procedures, proper instrumentation and filling. Under these conditions an interappointment dressing with calcium hydroxide does not seem to influence outcome.

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