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Indicators of mandibular dental crowding in the mixed dentition.
Pediatr Dent. 2001 Mar-Apr; 23(2):118-22.PD

Abstract

PURPOSE

Dental crowding occurring in the anterior part of the mandible in the early mixed dentition has been a subject of increasing concern for child patients, their parents, and the pediatric dentist. The aim of this study was to evaluate indicators of crowding found at the primary dentition, which may lead to the future manifestation of crowding at the anterior part of the mandibular arch in the early mixed dentition.

METHODS

Skeletal and dental morphological characteristics at the stage of primary dentition were compared between two groups, using dental casts and cephalograms of 23 subjects. These two groups had been formed by evaluating the degree of crowding at 9 years of age (12 normal and 11 crowded cases).

RESULTS

The size of several teeth in the crowding group was significantly greater than that found in the normal group. For the cephalometric measurements, a statistically significant difference was found only in the cranial base dimension (S-SE). The stepwise discriminant analysis showed that the mesiodistal size of the maxillary primary canine, the maxillary and mandibular dental arch lengths, and the posterior cranial base length (S-Ba) were effective discriminators in separating the two groups.

CONCLUSIONS

It is concluded that larger primary tooth size is the chief indicator in the development of dental crowding. However, the maxillary and mandibular dental arch lengths and the cranial base dimensions, especially that of the posterior cranial base length in the primary dentition, should also be considered as indicators when attempting to predict dental crowding in the early mixed dentition.

Authors+Show Affiliations

Department of Pediatric Dentistry, Tokyo Medical and Dental University, Japan. luciana.pedo@tmd.dent.ac.jpNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

11340719

Citation

Melo, L, et al. "Indicators of Mandibular Dental Crowding in the Mixed Dentition." Pediatric Dentistry, vol. 23, no. 2, 2001, pp. 118-22.
Melo L, Ono Y, Takagi Y. Indicators of mandibular dental crowding in the mixed dentition. Pediatr Dent. 2001;23(2):118-22.
Melo, L., Ono, Y., & Takagi, Y. (2001). Indicators of mandibular dental crowding in the mixed dentition. Pediatric Dentistry, 23(2), 118-22.
Melo L, Ono Y, Takagi Y. Indicators of Mandibular Dental Crowding in the Mixed Dentition. Pediatr Dent. 2001 Mar-Apr;23(2):118-22. PubMed PMID: 11340719.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Indicators of mandibular dental crowding in the mixed dentition. AU - Melo,L, AU - Ono,Y, AU - Takagi,Y, PY - 2001/5/9/pubmed PY - 2001/9/14/medline PY - 2001/5/9/entrez SP - 118 EP - 22 JF - Pediatric dentistry JO - Pediatr Dent VL - 23 IS - 2 N2 - PURPOSE: Dental crowding occurring in the anterior part of the mandible in the early mixed dentition has been a subject of increasing concern for child patients, their parents, and the pediatric dentist. The aim of this study was to evaluate indicators of crowding found at the primary dentition, which may lead to the future manifestation of crowding at the anterior part of the mandibular arch in the early mixed dentition. METHODS: Skeletal and dental morphological characteristics at the stage of primary dentition were compared between two groups, using dental casts and cephalograms of 23 subjects. These two groups had been formed by evaluating the degree of crowding at 9 years of age (12 normal and 11 crowded cases). RESULTS: The size of several teeth in the crowding group was significantly greater than that found in the normal group. For the cephalometric measurements, a statistically significant difference was found only in the cranial base dimension (S-SE). The stepwise discriminant analysis showed that the mesiodistal size of the maxillary primary canine, the maxillary and mandibular dental arch lengths, and the posterior cranial base length (S-Ba) were effective discriminators in separating the two groups. CONCLUSIONS: It is concluded that larger primary tooth size is the chief indicator in the development of dental crowding. However, the maxillary and mandibular dental arch lengths and the cranial base dimensions, especially that of the posterior cranial base length in the primary dentition, should also be considered as indicators when attempting to predict dental crowding in the early mixed dentition. SN - 0164-1263 UR - https://www.unboundmedicine.com/medline/citation/11340719/Indicators_of_mandibular_dental_crowding_in_the_mixed_dentition_ DB - PRIME DP - Unbound Medicine ER -