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A policy brief by the Fielding School's UCLA Center for Health Policy Research identifies three of the most important factors that have led to disparities in Californians’ access to dental care.
• There are fewer dentists per capita in some parts of the state.
• About 79% of the state’s dentists did not provide care for low-income patients who rely on Medi-Cal.
• Only 8% of the state’s dentists are Latino or Black, compared with 60% of the state’s low-income adult population overall.
The authors also note that a shortage of dentists is looming: Some 23% of dentists are 60 years old or older and nearing retirement age, while only 9% of dentists graduated from dental school within the past five years. That imbalance is likely to place additional strain on access to oral health care for all Californians, and for lower-income residents in particular.
According to the center’s 2019 California Health Interview Survey, 32% of the state’s residents are adults with incomes under 200% of the federal poverty level (the income level at which people are generally considered to be low-income). And in previous studies, the authors reported that lower-income Californians have poorer oral health and less access to oral health care than residents with higher incomes.
The latest report, accompanied by an infographic, highlights regions in the state where there is a recipe for poor access to oral health care — a relatively small number of dentists per capita, a large proportion of low-income adults and a small percentage of dentists who see patients with Medi-Cal. In San Joaquin County, for example, there are just 2.2 dentists per 5,000 residents, and while 65% of the area’s low-income adults have Medi-Cal, only 2% of dentists see Medi-Cal beneficiaries.
“The availability of dentists willing to provide care to the low-income and uninsured population of California is crucial in ensuring access to oral health care and improved oral health status,” said Nadereh Pourat, the center’s associate director and lead author of the study. “Our findings indicate regional disparities in where low-income populations live and where California dentists practice. We also found low participation of dentists in Medi-Cal and limited numbers of dentists from communities of color.
“These factors perpetuate income disparities in both access to oral health care and oral health status of low-income Californians.”
The researchers analyzed data from the Dental Board of California, the California Dental Association and California Health and Human Services. They also found:
• Thirty-nine percent of low-income California adults reported that their oral health was “fair” or “poor,” and 41% reported not having visited the dentist in the previous year.
• Twenty-three percent of the state’s dentists were 60 or older.
• Although 53% of the state’s low-income adults were Latino and 7% were Black, only 6% of practicing dentists were Latino and 2% were Black.
“The data clearly show the importance of increased participation of dentists in Medi-Cal,” Pourat said. “Policy tools to incentivize participation have been used for low-income children and can be tailored for low-income adults.”
The paper offers other possible suggestions, including expanding the roles of hygienists and dental therapists to reduce the burden on dentists, encouraging dentists to use “mobile clinics” to bring oral health care into underserved neighborhoods, and offering at least some appointments — particularly for consultations or basic diagnoses — through web-enabled devices for people who cannot immediately visit a dentist’s office.
by Elaiza Torralba
The UCLA Fielding School of Public Health, founded in 1961, is dedicated to enhancing the public's health by conducting innovative research, training future leaders and health professionals from diverse backgrounds, translating research into policy and practice, and serving our local communities and the communities of the nation and the world. The school has 631 students from 26 nations engaged in carrying out the vision of building healthy futures in greater Los Angeles, California, the nation and the world.