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

K. Yamasaki, K. Hirota, Y. Yamasaki, K. Nonaka, M. Nakata

Research output: Contribution to journalArticle

3 Citations (Scopus)

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 sex ratios of anterior cross-bites in the deciduous dentition were 45.6% for boys and 54.4% for girls. 6. The treatment of occlusal guidance for anterior cross-bite in the deciduous dentition started from ages 3 to 5. 7. The appliances used for the treatment of anterior cross-bite in the deciduous dentition were maxillary protraction 25.0%, the chin cap 20.0%, the FKO 17.5%, and the lingual arch with herical springs 15.0% and et al. 8. The status of the patients with the anterior cross-bite in the deciduous dentition as of August 1986 was that the 36.2% was under the observation, and 24.4% was under the treatment of occlusal guidance or under the observation after the treatment was done.

Original languageEnglish
Pages (from-to)522-528
Number of pages7
JournalShoni shikagaku zasshi. The Japanese journal of pedodontics
Volume27
Issue number2
Publication statusPublished - Dec 1 1989

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Pediatric Dentistry
Deciduous Tooth
Malocclusion
Dental Occlusion
Sex Ratio
Observation
Mixed Dentition
Permanent Dentition
Chin
Age Distribution
Bites and Stings
Therapeutics
Tongue

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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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. / Yamasaki, K.; Hirota, K.; Yamasaki, Y.; Nonaka, K.; Nakata, M.

In: Shoni shikagaku zasshi. The Japanese journal of pedodontics, Vol. 27, No. 2, 01.12.1989, p. 522-528.

Research output: Contribution to journalArticle

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title = "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",
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 sex ratios of anterior cross-bites in the deciduous dentition were 45.6{\%} for boys and 54.4{\%} for girls. 6. The treatment of occlusal guidance for anterior cross-bite in the deciduous dentition started from ages 3 to 5. 7. The appliances used for the treatment of anterior cross-bite in the deciduous dentition were maxillary protraction 25.0{\%}, the chin cap 20.0{\%}, the FKO 17.5{\%}, and the lingual arch with herical springs 15.0{\%} and et al. 8. The status of the patients with the anterior cross-bite in the deciduous dentition as of August 1986 was that the 36.2{\%} was under the observation, and 24.4{\%} was under the treatment of occlusal guidance or under the observation after the treatment was done.",
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