Knowing about how long a tooth will survive after a root canal can be useful in dental practice, and help patients and dentists make better oral care decisions.
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Benefits of Root Canal
Root canals are an important treatment to maintain natural teeth affected by disease. However, over time, the treated tooth eventually becomes brittle and dies. Understanding the outcomes of the procedure is essential to improving dental treatments.‘Deeper insight into the longevity of root canal treatments is provided by a new study using real-world data not just caring about large health systems.’
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For this study, the research team gathered deidentified electronic dental records from the National Dental Practice-Based Research Network, consisting of 99 small group and solo dentistry practices from around the country. The data covered more than 46,000 patients who received root canals.
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Breaking Down the Root Canal Data
Data analysis revealed that the median survival time of a tooth after a root canal is 11.1 years. However, several factors can impact that, including follow-up treatments.The teeth that receive a root canal, and a subsequent filling and crown last about 20 years. Teeth that receive either a filling or a crown after a root canal last around 11 years.
Teeth that receive no restorative work after a root canal only last about 6.5 years. There were also wide disparities in longevity among geographic regions. Insurance status also played a significant role in tooth survival time.
“This data could also inform dental insurance coverage by demonstrating the value of crowns and permanent restoration options,” said first author Thankam Thyvalikakath, DMD, MDS, PhD, director of the Regenstrief-IU School of Dentistry dental informatics program.
Oral health is a public health issue that significantly affects people’s overall health. Leveraging dental records can help us better understand ways to improve treatment, identify causal relationships and maintain the health of teeth and gums.
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