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Association between DMFT and primary headaches: a study based on the Rafsanjan cohort study
Fatemeh Ayoobi1,2, Parvin Khalili3, Zahra Jamali4
1Occupational Safety and Health Research Center, NICICO, World Safety Organization, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.
BMC Oral Health
|January 4, 2024
Summary
This study found a link between filled teeth and episodic primary headaches, but not chronic headaches or overall oral health (DMFT). Further research into oral health
Area of Science:
- Oral health research
- Neurology
- Epidemiology
Background:
- Primary headaches are common but understudied in relation to oral health.
- The decayed, missing, and filled teeth (DMFT) index is a key indicator of oral health.
- Limited research exists on the connection between primary headaches and DMFT.
Purpose of the Study:
- To investigate the relationship between the DMFT index and primary headaches.
- To compare oral health status in patients with episodic primary headache (EPH) and chronic primary headache (CPH) versus those without headaches.
- To analyze demographic characteristics and risk factors associated with primary headaches and oral health.
Main Methods:
- A descriptive study utilizing data from 8682 participants in the Rafsanjani cohort study (RCS).
- Oral health assessed using the DMFT index, comparing EPH and CPH groups to non-headache controls.
- Crude and multiple logistic regression analyses were employed to examine associations.
Main Results:
- Significantly more missing teeth were observed in the chronic primary headache (CPH) group compared to controls.
- The episodic primary headache (EPH) group showed significantly more filled teeth than the control group.
- A significant association was found between EPH prevalence and the number of filled teeth, even after adjusting for confounders.
Conclusions:
- A correlation exists between filled teeth and episodic primary headaches.
- No significant association was found between chronic primary headaches and the DMFT index or its components.
- The findings suggest a potential link between specific oral health indicators and certain types of primary headaches.

