DT News - UK - Cochrane finds crowns superior to dental fillings

Dental Tribune International

Wed. 13 January 2016

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DUNDEE, UK: The Cochrane Oral Health Group in Manchester has recently updated one of its reviews, finding any kind of preformed crown to be superior to fillings in the treatment of severely decayed primary molars and primary molars that have undergone pulp treatment. The results also suggest that out of all fitting methods, the Hall technique causes the least discomfort and problems for patients.

Named after its inventor, a Scottish dentist, the Hall technique uses a preformed metal crown that is fitted over the tooth with no local anaesthetic, carious tissue removal or tooth preparation. First introduced a decade ago, it was originally developed as a non-invasive treatment for decayed primary molars.

For their review, the researchers looked at the clinical outcomes of several studies comparing fillings with crowns that were fitted with either conventional methods or the Hall technique. They also included studies that compared preformed crowns with non-restorative caries management, as well as preformed metal crowns with preformed white crowns.

While the review found no evidence of the superiority of one crown type to another, the results showed that teeth restored with preformed crowns compared with fillings are less likely to develop problems or cause pain over time.

“Crowns are recommended for restoring primary molars that have had a pulp treatment, are very decayed or are badly broken down. However, few dental practitioners use them in clinical practice,” the researchers said in the report.

With the review, the researchers originally sought to determine whether the clinical outcome of primary teeth restored with preformed crowns or with fillings was in any way related to the extent of their decay.

The review updates a previous version on the subject, originally published by the group in 2007.

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