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| Delivery System within which tx provided – |
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| Source of Variation |
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| n | Incentives
emphasized by the system |
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| – | Currently reflect
differences among patients more |
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| than differences
among dentists |
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| – | Delivery system
may become a principal dentist |
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| characteristic in
the future |
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| n | financial
incentives & constraints imposed by |
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| financing
mechanisms |
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| – | May contribute to differentiate among
groups of |
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| dentists
operating under assorted reimbursement |
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| arrangements |
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| 24 |