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Maria Ossa Thesis.pdf (930.94 KB)

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Quantitative Analysis of Graduate Orthodontic Treatment at Ohio State University

Ossa, Maria
http://orcid.org/0000-0002-3614-4159
http://rave.ohiolink.edu/etdc/view?acc_num=osu1647267834617329

Abstract Details

2022, Master of Science, Ohio State University, Dentistry.
Abstract Objectives: The objective of this study was to analyze recently treated orthodontic patients to evaluate the quality of treatment in the graduate orthodontic clinic at Ohio State University and determine what factors correlate to the how cases are finished. Methods: Models of 229 patients treated between 2017 and 2019 were scored using the PAR index, where a higher score equals a worse malocclusion. The cases were divided into groups, well-finished cases, which are those that had a PAR score reduction by at least 22pts or for those that started with a score less than 22 a final PAR score of 0 and not well-finished cases, which do not meet that criteria. Cephalometric data, treatment age, treatment type, treatment time, faculty, payment type, motivation, initial hygiene impression, and failed appointments were recorded. Statistical analyses completed included a multiple logistic regression. Results: Of the 229 cases that were assessed, 104 (45.4%) were determined to be greatly improved and 124 (54.6%) were not greatly improved. The pre-treatment upper and lower anterior alignment, overjet, overbite, and centerline deviation were significantly related to the quality of treatment outcome (p<.05). As each of those factors increases in severity by one PAR unit, their correlated odds ratios show that the likelihood of great improvement increases. Full time faculty were significantly related to the treatment outcome (p<.0181) and we estimate that the odds ratio of great improvement decreases by a multiplicative factor of 9.4498. Conclusions: Overall, treatment outcomes could be improved in the Graduate Orthodontic Clinic at Ohio State University. Patients who start with more upper or lower anterior crowding, overjet, overbite, or centerline deviation are those which are more likely to achieve a greatly improved result. Patient who are treated by part-time faculty, rather than full time faculty, are less likely to have well-finished outcomes.
Toru Deguchi (Advisor)
Ai Ni (Committee Member)
Henry Fields, Jr. (Committee Member)
69 p.
Dentistry
Orthodontics; Orthodontic Treatment Outcomes; PAR Scoring; Orthodontic Treatment Improvement

Recommended Citations

Citations

  • Ossa, M. (2022). Quantitative Analysis of Graduate Orthodontic Treatment at Ohio State University [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1647267834617329

    APA Style (7th edition)

  • Ossa, Maria. Quantitative Analysis of Graduate Orthodontic Treatment at Ohio State University. 2022. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1647267834617329.

    MLA Style (8th edition)

  • Ossa, Maria. "Quantitative Analysis of Graduate Orthodontic Treatment at Ohio State University." Master's thesis, Ohio State University, 2022. http://rave.ohiolink.edu/etdc/view?acc_num=osu1647267834617329

    Chicago Manual of Style (17th edition)

osu1647267834617329
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This open access ETD is published by The Ohio State University and OhioLINK.