PMID: 2489387Jan 1, 1989Paper

Investigation into the actual condition of patients with occlusal disharmony at the Pedodontic Clinic of Kyushu University. Cases of anterior cross-bite in the deciduous dentition

Shōni shikagaku zasshi. The Japanese journal of pedodontics
K YamasakiM Nakata

Abstract

The total number of subjects was 2754 children (1354 boys and 1402 girls), who visited the Pedodontic Clinic of Kyushu University during the 5 year period from April 1st 1981 to March 31st 1986. We investigated the actual conditions of patients who complained of occlusal disharmony and who were ascertained to be associated with occlusal disharmony. The results were as follows: 1. The percentage ratio of patients with chief complaints concerning occlusions was 14.5% and the percentage of patients with various type of complaints as well as the problem of occlusion was 8.1%. The ratio of the sex of the patients who complained of their occlusal disharmony was 43.0% for boys and 57.0% for girls. 2. The age distributions of the patients who had as the chief complaint occlusal disharmony were at the ages of 3 and 6 to 7 at the maximum. 3. The number of patients who were diagnosed with occlusal disharmony at the first examination was 28.5%. These included anterior cross-bite 32.5%, edge to edge bite 14.1%, cross-bite 13.0%, crowding 11.8% and et al. 4. The distribution of anterior cross-bites due to the developmental stage was divided into the deciduous dentition 59.9%, the mixed dentition 39.3% and the permanent dentition 0.8%. 5. The...Continue Reading

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