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  • Title: Onset of and patterns of change in dental anxiety in adolescence and early adulthood: a birth cohort study.
    Author: Locker D, Thomson WM, Poulton R.
    Journal: Community Dent Health; 2001 Jun; 18(2):99-104. PubMed ID: 11461066.
    Abstract:
    OBJECTIVE: To assess the onset of and patterns of change in dental anxiety during adolescence and early adulthood. DESIGN: A birth cohort study of 1,037 individuals born in Queen Mary Hospital, Dunedin, New Zealand between 1 April 1972 and 31 March 1973. Data were collected from these individuals at birth, every two years between the ages of 3 and 15 and at 18, 21 and 26 years. STUDY MEMBERS: Data on dental anxiety were obtained at the 15, 18 and 26-year assessments from 678 study members. OUTCOMES: Dental anxiety was assessed using the Dental Anxiety Scale. Study members with a score of 13 or over were classified as being dentally anxious. RESULTS: The prevalence of dental anxiety increased from 10.6% at age 15 years to 13.3% at 18 years and 21.1% at 26 years. Of the 31.2% who were anxious at one or more data collection periods, approximately one third were anxious by the age of 15, one third became anxious between 16 and 18 years and one third between 18 and 26 years. High rates of remission were observed. Of 72 study members who were dentally anxious at 15 years, 22% were persistent cases, anxious at all three data collection points; 24% were recurrent cases, anxious at 26 but not anxious at 18 years; and 54% were remitted cases, no longer anxious at 26 years. There were no gender differences in the onset and course of dental anxiety over the developmental periods observed. CONCLUSIONS: The period of observation was one of instability with respect to anxiety about dental treatment. Early adulthood in particular appeared to be a life stage during which this population was vulnerable to the onset of dental anxiety. This may be related to dental disease and treatment factors, or changing psychological states during significant life transitions.
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