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Lower Dental Midline Stability: Effects of Primary Canine Loss

Christensen, Robert T

Abstract Details

2017, Master of Science, Ohio State University, Dentistry.
Purpose: To compare changes in the lower dental midline position after premature unilateral loss of a lower primary canine with dental midline position after normal lower primary canine exfoliation. Methods: Dental casts were identified from growth studies at the University of Iowa and the University of Toronto. Two groups of dental casts were identified: premature unilateral loss and normal, asymmetric exfoliation of a single primary canine. The first set of casts displaying unilateral primary canine loss (Time 1) and the second casts displaying full permanent dentition (Time 2) were collected. The palatal rugae and palatal raphe were used to construct a median palatal plane (MPP). Dental midline position at each time point was measured from the MPP. Results: A total of 56 cases (15 early, 41 late) were identified. The mean lower dental midline changes from Time 1 to Time 2 for the early and late loss groups were 1.32 ± 0.83 mm and 0.97 ± 0.91 mm, respectively. This difference was not statistically significant with regard to group (p = 0.62), gender (p = 0.91), or the interaction effect of group and gender (p = 0.85). Conclusions: There was no significant difference in midline shift between individuals with early unilateral primary canine loss and those with normal, asymmetric unilateral loss of a primary canine.
Henry Fields (Advisor)
Paul Casamassimo (Committee Member)
Dennis McTigue (Committee Member)
41 p.

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Citations

  • Christensen, R. T. (2017). Lower Dental Midline Stability: Effects of Primary Canine Loss [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu149799521240005

    APA Style (7th edition)

  • Christensen, Robert. Lower Dental Midline Stability: Effects of Primary Canine Loss . 2017. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu149799521240005.

    MLA Style (8th edition)

  • Christensen, Robert. "Lower Dental Midline Stability: Effects of Primary Canine Loss ." Master's thesis, Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu149799521240005

    Chicago Manual of Style (17th edition)