Date of Award

2023

Department

Department of Orthodontics

First Advisor

James Chen

First Committee Member

Heesoo Oh

Abstract

The timing and necessity of Phase I mixed dentition treatment in orthodontics have long been subjects of debate. This study aims to explore the level of agreement among clinicians in recommending Phase I treatment, the rationales behind such decisions, and the implications for Phase II treatment. MATERIALS and METHODS: A series of three surveys were administered to faculty members at the University of the Pacific, focusing on various aspects of Phase I and Phase II treatments. RESULTS: The study found a mild level of agreement among clinicians in recommending Phase I treatment, with transverse issues being the most cited reason. Despite this, the success of Phase I treatment did not consistently influence recommendations for Phase II treatment. The study also revealed that clinical practice, rather than educational background, significantly influences clinicians' decisions. CONCLUSION: These findings highlight the complexity and subjectivity involved in clinical decision-making for Phase I treatment and underscore the need for further research to establish more definitive guidelines. Limitations of the study include a lack of diversity among the judges, suggesting the need for more inclusive future research.

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