Publications by authors named "John R Christensen"

: Permanently replacing missing teeth in the younger population is a clinical challenge. However, dental autotransplantation offers a viable treatment option in this demographic. To be performed predictably, it requires proper diagnoses, planning, and adherence to established guidelines in a multidisciplinary approach.

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Objectives: To examine families' experiences, including motivation and barriers to undergoing tooth autotransplantation (AT), and their perceptions of associated esthetic and functional outcomes.

Methods: Semi-structured, in-depth-interviews (IDIs) were conducted in person with families who had children that underwent the AT procedure. Interviews were audio recorded and transcribed.

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The purpose of this study was to compare changes in the lower dental midline position after premature unilateral loss of a primary mandibular canine with dental midline position after normal primary mandibular canine exfoliation. Dental casts were identified from growth studies at the University of Iowa and the University of Toronto. Two groups of dental casts were identified: (1) premature unilateral loss; and (2) normal asymmetric exfoliation of a single primary mandibular canine.

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This review considers oral trauma and its relationship to orthodontics with respect to prevention and primary, secondary, and tertiary care. The level of evidence is not high in regard to this topic, but recommendable approaches to trauma at each stage are discussed on the basis of available literature and published guidelines. Simplified biomechanics are presented to aid treatment.

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This review considers oral trauma and its relationship to orthodontics with respect to prevention and primary, secondary, and tertiary care. The level of evidence is not high in regard to this topic, but recommendable approaches to trauma at each stage are discussed on the basis of available literature and published guidelines. Simplified biomechanics are presented to aid treatment.

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