Assessment of palatal height in children

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Abstract
A palatal index (P.I.) was established for 121 randomly selected normal Australian children. Mean P.I. indices were compared in the primary, mixed and permanent dentitions. A subjective assessment of relative palatal height was also carried out by 2 independent examiners and an attempt was made to examine the reliability of the subjective assessment and its validity compared with the P.I. Measurements were recorded on stone casts at Level 1 (distal to the primary 2nd molars/2nd premolars) and Level 2 (between primary 1st and 2nd molar/1st and 2nd premolars). At Level 1 the mean P.I. increased significantly from the primary to the mixed and permanent dentitions. At level 2 the P.I. remained stable. Subjective assessment of relative palatal height was fairly reliable: there was .apprx. 80% interexaminer and intraexaminer agreement. Subjective assessment of palatal height correlated reasonably well with the P.I.

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