OBJECTIVE: To evaluate the dental arch relationships of Japanese children with complete unilateral cleft lip and palate (UCLP) and to examine the 5-year-olds' index for its validity. DESIGN: Retrospective study and comparison with previous reports. SUBJECTS: One hundred thirty-six children with complete UCLP who received primary cheiloplasty and palatoplasty in the Kyushu University Hospital from 1966 to 1999. MATERIALS: Dental models taken from children 53 to 67 months of age and their cephalograms. METHODS: Study models were assessed using five scores; 1=excellent, 2=good, 3=fair, 4=poor, and 5=very poor, in accordance with the 5-year-olds' index and also evaluated using Huddart and Bodenham's numerical classification. Dental arch widths, three-dimensional maxillary dental arch form, and lateral cephalograms were traced and measured. The outcome by 5-year-olds' index was compared with Huddart and Bodenham's numerical classification, dental arch dimensions, and cephalometric measurements. RESULTS: Occlusal outcome evaluated by the 5-year-olds' index was rated 2.95, which was classified as fair. This index rating showed a significant relationship with numerical classification and dental arch length, but not with dental arch width. The index showed a relationship with mandibular form and position, but not with maxillary position. CONCLUSION: The occlusal outcome of the cases with UCLP was fair as evaluated using the 5-year-olds' index. The index evaluates the anteroposterior relationship of maxillary/mandibular dental arches but does not evaluate the collapse of maxillary segments.
OBJECTIVE: To evaluate the dental arch relationships of Japanese children with complete unilateral cleft lip and palate (UCLP) and to examine the 5-year-olds' index for its validity. DESIGN: Retrospective study and comparison with previous reports. SUBJECTS: One hundred thirty-six children with complete UCLP who received primary cheiloplasty and palatoplasty in the Kyushu University Hospital from 1966 to 1999. MATERIALS: Dental models taken from children 53 to 67 months of age and their cephalograms. METHODS: Study models were assessed using five scores; 1=excellent, 2=good, 3=fair, 4=poor, and 5=very poor, in accordance with the 5-year-olds' index and also evaluated using Huddart and Bodenham's numerical classification. Dental arch widths, three-dimensional maxillary dental arch form, and lateral cephalograms were traced and measured. The outcome by 5-year-olds' index was compared with Huddart and Bodenham's numerical classification, dental arch dimensions, and cephalometric measurements. RESULTS: Occlusal outcome evaluated by the 5-year-olds' index was rated 2.95, which was classified as fair. This index rating showed a significant relationship with numerical classification and dental arch length, but not with dental arch width. The index showed a relationship with mandibular form and position, but not with maxillary position. CONCLUSION: The occlusal outcome of the cases with UCLP was fair as evaluated using the 5-year-olds' index. The index evaluates the anteroposterior relationship of maxillary/mandibular dental arches but does not evaluate the collapse of maxillary segments.
Authors: Cindy Buj-Acosta; Vanessa Paredes-Gallardo; José María Montiel-Company; Alberto Albaladejo; Carlos Bellot-Arcís Journal: PLoS One Date: 2017-06-01 Impact factor: 3.240