Effects on Alkaline Phosphatase Level in Crevicular Fluid Produced by Rapid Palatal Expansion with Hyrax Expander
Bibliographic record
Abstract
Introduction: Rapid maxillary expansion (RME) is a dramatic and preferred procedure having a history of over 100 years.When a transverse maxillary Arch is diagnosed it is corrected by doing RME.Although several studies have been done in last four decades on gingival crevicular fluid, no data have been reported on the repeatability of gingival crevicular fluid collection and then following its quantification procedure.The objectives of this study were to examine the changes in alkaline phosphatase (ALP) activities in gingival crevicular fluid (GCF) during rapid palatal expansion and in retention period by hyrax, and to explore the relationship between these changes and periodontal tissue remodeling.Methodology: Seventeen patients with age between 9-14 years were selected according to inclusion and exclusion criteria.Periodontal parameters, including probing depth, were recorded at 3 months after RME.Furthermore, the GCF ALP activity was measured at the buccal and palatal sites.Results: Periodontal parameters were generally similar between the Testing and Control sites during the study, with the exception that probing depth underwent a slight increase at the Testing sites.It was observed that at baseline, the GCF ALP activity was similar between the buccal and Control sites; however, at 3 months of retention period a significantly greater enzymatic activity was seen at the Testing sites. Conclusion:The results of our study concluded that in the retention phase of RME, there is reported increase in GCF ALP activity even at the end of 3 months of retention period with no clinically significant tissue inflammation.This increase in GCF ALP activity demands a longer period of retention phase may be up to 6 months of duration.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".