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Dental health aides, both PDHAs and DHATs, are well accepted in Alaska villages. An innate understanding of cultural norms and continuity of care are key elements driving village satisfaction. The potential exists administratively to strengthen the model with the implementation of clinical and office-system strategies to increase efficiency of the dental team. Culturally adapted implementation strategies will be critical to the successful expansion of new workforce models that are addressing health disparities.

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Analyzing the influencing factors of investment decision-making is expected to ensure the optimal effects of listed companies' investment decisions, so as to promote the development of companies. Recently, the analysis of influencing factors of listed companies' investment decisions has been far from extensive and in-depth, mainly due to asymmetric information, procuration and financial constraints. It is clearly stated in this paper that the objective of investment by listed companies is shareholder wealth maximization. This paper has an in-depth analysis of the influencing factors, from four perspectives, including macroeconomic perspective, industry development perspective, management perspective, and integrity perspective.

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In the previous article, we calculated dentist service rates for 200 general dentists based on a homogeneous, well-educated, upper-middle-class population of patients. Wide variations in the rates were detected. In this analysis, factors influencing variation in the rates were identified. Variation in rates for categories of dental services was explained by practice characteristics, patient exposure to fluoridated water supplies, and non-price competition in the dental market. Rates were greatest in large, busy practices in markets with high fees. Older practices consistently had lower rates across services. As a whole, these variables explained between 5 and 30 percent of the variation in the rates.

Previous studies in medicine and dentistry document wide variations in service rates across small areas, large regions, and providers. The practice patterns of providers and underlying differences in patient need are thought to be important sources of this variation. To control for variation in patient needs, we calculated service rates of 200 general dentists in Washington state based on a homogeneous, well-educated, upper-middle-class population of patients. Wide variations were found in the rate for many dental services. Dentists' practice beliefs and characteristics of the practice were sources of variation in the rates. The evidence is insufficient to determine whether undertreatment of overtreatment occurred among dentists with the lowest and highest expenditures per patient, respectively. However, the perceived oral health status of adult patients was lower in practices with the lowest total expenditures per patient than in practices with the highest total expenditures per patient, suggesting the undertreatment of adult patients in the lowest-expenditure practices may have occurred.