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A comparative diagnostic assessment of anterior tooth and bone status using panoramic and periapical radiography.
AIMSThe aim of the present study was to compare diagnostic assessments of anterior tooth and bone status in a randomised cohort of pre-orthodontic patients using panoramic and periapical radiographs.
METHODFour hundred and forty-four cases with matched periapical and panoramic radiographs were examined by three observers. Two were final-year postgraduate endodontic students and the other, a final-year Honours degree dental student. Multi-rater Kappa values were used to assess the reliability of the observers, with a value of 1 equating to complete agreement.
RESULTSWith the exception of endodontic Class 1 and 2 palatal invaginations, reliability exceeded 0.95 for all three observers. An assessment of the graduate endodontic students revealed only a marginal increase in the kappa values. Statistical analysis (p < 0.05) determined that developmental anomalies or tooth/bone pathoses were more reliably detected by observers using periapical radiographs compared with panoramic films. This finding has relevance given the likelihood of anterior dental trauma among young children.
CONCLUSIONWhile there have been considerable improvements in the quality of dental panoramic radiography, the present study indicated that a reliable pre-orthodontic or post-trauma diagnostic assessment should include both panoramic and intra-oral radiographs.
Australian orthodontic journal 27:2 2011 Nov pg 162-8
Dental Pulp Calcification
Pub Type(s)Comparative Study
Randomized Controlled Trial