Effects of orthodontic tooth movement on the alcian blue staining patterns of rat alveolar bone,an histochemical study
Bibliographic record
Abstract
There is little information a~ailable concerning the effects of orthodontic forces on glycosaminoglyeans ( G A G ) of alveolar bone.The present study identifies changes in Alcian blue staining intensity in rat alveolar hone illidergoing resorption resulting from a heavy (25 g) tipping force aplied to the adjacent teeth by u separating spring.One day after force application, bonc from treated animals (internal control and exnerimental sides) demonstrated more intense staining with Alcian blue.pH 1.0 (pU0.005) and p H 2.5 (pU0.05)than external controls (untreated animals).By day 3. the intensity of Alcinn blue staining of treated alveolar bone Lvas similar to untreated.Chondroitinase A C , A B C and testicular h!!aluronidase predigestion did not completely block the staining reaction, suggesting that both G A G and noncollagenous proteins were demonstrated.Mean cross-sectional areas of the interdental septum of the experimental side Lverc nearly 44%) less than that of the internal control side after 3 days and nearly 62% less after 5 days.The study suggested that alterations in bonc G A G levels occurred prior to tooth movement as I~istochcmical changes occurred after force application but hefore initiation of significant septal resorption.A precise appraisal of the types of macromolecules effected awaits future biochemical analysis.The results of the prescnt work s t r o ~g l y suggest the use of an cxtcrnal control group for future studies, as Alcian blue staining reactions of the internal control side of treated animals \\ere not similar to those of external controls.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 teacher head, 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".