Relative effectiveness of direct and indirect pulp capping in the primary dentition
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Carious or traumatised teeth with a normal pulp status or with reversible pulpitis need an indirect or direct pulp capping procedure to keep the pulp vital.
To evaluate the clinical outcome of both interventions for treating vital primary teeth.
Two reviewers on Pubmed and ISI Web of Science performed a comprehensive literature review of publications from 1966 until December 2017. Among PubMed abstracts, publications were selected according to the following criteria: prospective clinical study, correct indication for the performed treatment, and clear definition of clinical and/or radiographic success criteria. The strict selection criteria limited the amount of randomised controlled trials (RCT) or controlled clinical trials (CT); especially for “indirect pulp therapy”, “direct pulp capping” and the number of RCTs was limited.
Based on a systematic review (20 controlled clinical studies or randomised controlled clinical studies), the following statements can be given: Due to the opportunity of tissue repair, indirect pulp treatment can be an acceptable procedure for reversible pulp inflammation. The use of adhesives for indirect pulp capping in a single-visit procedure after gentle caries removal can be recommended. Successful pulp capping is possible under defined conditions (symptom-free tooth, disinfection of pulp exposures, Class-I cavity) and appropriate sealing of the cavity with an effective dentine seal being a conditio sine qua non. There is maximum evidence for the use of disinfecting solutions prior to pulp capping and Dycal as pulp capping material. Longer follow-up periods, more clinical studies, comparable conditions, and clear definitions of evaluation criteria are needed to confirm the results of endodontic treatment in primary teeth.
KeywordsPulp therapy Pulp capping Calcium hydroxide Mineral trioxide aggregate Endodontics Primary teeth
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