Poor root fillings can be the result of stress and the economy

Too many root fillings are defective and carry a great risk for persistent bacteria. Previous studies have shown that more than one third of root fillings show signs of encapsulated inflammation of the dentine. These inflammations can lead to acute symptoms such as pain and swelling and in individual cases, it can spread and become life threatening.

Each year, approximately 250,000 root fillings are done in Sweden and it is calculated that there are at least 2.5 million root filled teeth with root apex inflammation.

Focus group interviews
In a new thesis at Sahlgrenska Academy, the reason why dentists accept technically poor root fillings has been investigated, including through focus group interviews with 33 dentists in the Swedish public dental service.

The interviews showed that the reason can be that dentists find root treatments technically difficult and complex. Treatment was often associated with negative feelings such as stress and frustration and, additionally, it was common that they were performed with an apparent sense of a loss of control.

Due to economy
Another possible cause for dentists accepting poorer root fillings is that many times treatment takes longer than what the dental care tariff allots as compensation.

“The dentist then finds they are facing a dilemma, to “go back” to the treatment, to optimize quality, or to offer care within the framework of the compensation and, thus, risk accepting an incomplete root filling,” says Lisbeth Dahlström, Senior Dental Officer and Researcher, Sahlgrenska Academy.

What is acceptable?
There was also uncertainty among the interviewed dentists as to what quality was reasonably acceptable. Often they reported that “good enough” was a more realistic goal than optimal quality.

Despite the experienced difficulties, it was clear that the dentists wanted to provide good treatment and that they were very concerned about their patients.

“Therefore, it appears that there is a potential for further improving quality and thus reducing persistent inflammations,” says Lisbeth Dahlström.

Raise the quality
Increased resources and increased room for adapting education, time for discussions and exchange of experiences at the workplace, as well as equipment investments that simplify work with root fillings are examples of measures that should be able to raise the quality of root fillings.

A reduction in the number of technically poor root fillings should be able to contribute to improved dental health.

Link to the thesis: https://gupea.ub.gu.se/handle/2077/41240

Lisbeth Dahlström, Senior Dental Officer and Researcher, Sahlgrenska Academy, University of Gothenburg

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