Author/Editor     Perinetti, Giuseppe; D'Apuzzo, Fabrizia; Contardo, Luca; Primožič, Jasmina; Rupel, Katia; Perillo, Letizia
Title     Gingival crevicular fluid alkaline phosphate activity during the retention phase of maxillary expansion in prepubertal subjects
Type     članek
Vol. and No.     Letnik 148, št. 1
Publication year     2015
Volume     str. 90-96
ISSN     0889-5406 - American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics
Language     eng
Abstract     Introduction: The aim of this study was to monitor the alveolar bone formation at the tension sites of teeth supporting the appliances for rapid maxillary expansion (RME) during the retention phase according to the local gingival crevicular fluid (GCF) alkaline phosphatase (ALP) activity. Methods: This split-mouth prospective study included 23 prepubertal subjects (15 girls, 8 boys; mean age, 9.0 6 1.4 years) who had a constricted maxillary arch and were undergoing RME. Periodontal parameters, including probing depth, were recorded at 3 and 6 months after RME. Furthermore, the GCF ALP activity was measured at the tension sites of the supporting test teeth (TT) and at the antagonist control teeth (CT) sites. Results: Periodontal parameters were generally similar between the TT and CT sites during the study, with the exception that probing depth underwent a slight increase at the TT sites. At baseline, the GCF ALP activity was similar between the TT and CT sites; however, at both 3 and 6 months, significantly greater enzymatic activity was seen at the TT sites. The overall probing depth changes were not significantly correlated with the corresponding GCF ALP activity changes for either the TT or the CT sites. Conclusions: Alveolar bone formation at the tension sites would last up to 6 months of retention after RME. These results warrant more comprehensive studies to assess whether the GCF ALP activity has potential as a diagnostic tool for bone formation during the retention phase of RME.
Keywords     gingival
maxillary arch
alveolar bone formation
dlesni
maksilarni lok
alveolarna tvorba kosti