Author(s): Adair SM, Milano M, Lorenzo I, Russell C
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Abstract Two hundred eighteen children ages 24-59 months participated in a study to examine the effect of pacifier use on the occlusion of the primary dentition. A questionnaire was used to gain information on habit history. Eighty-two children were current or former users of functional exercisers, 38 had a history of conventional pacifier use, and 98 had no history of oral habits. Compared to children with no habit, those with a history of pacifier use had a significantly larger mean overjet (P < 0.001), as well as significantly higher occurrences of Class II primary canines (P = 0.015), distal step molars (P = 0.014), openbite (P = 0.001), and posterior crossbite (P = 0.025). Compared to users of conventional pacifiers, users of functional exercisers had a significantly higher occurrence of Class II primary canines (P = 0.013) and distal step molars (P = 0.037). Pacifier use time in months was significantly higher for children with openbite (P = 0.02) and posterior crossbite (P = 0.019). Compared to former pacifier users, those with current habits had a significantly higher prevalence of openbite (P = 0.002) and posterior crossbite (P = 0.001), and a greater mean openbite (P = 0.19). The reported number of hours use per day was not related to any aspect of the occlusion of pacifier users. African-American and European-American children began their habits at about the same age and used their pacifiers for an equivalent number of hours per day. Among those who had discontinued their habits, African-American children had maintained theirs for a significantly shorter period (P < 0.001), leading to a longer elapsed time between habit discontinuation and the examination.
This article was published in Pediatr Dent
and referenced in Pediatric Dental Care