Table 3.
Studies characteristics.
| Author and Year/Study design | Nº Participants Study/Control |
Withdrawals | Dental movement assessment | Periodontal parameters assessment | Bone density assessment | Root resorption assessment | Study duration |
|---|---|---|---|---|---|---|---|
| Abbas et al. 2016 [33]/RCT |
S:10 C:10 + Split-Mouth |
No | CBCT. Displacement and inclination of canines and molars |
Plaque index, attachment level | -- | CBCT | 3 months |
| Bahammam 2016 [34]/RCT |
S1: 11 S2:11 S3:11 |
4 | -- | Probing depth | XR | XR | 3–5 months + 9 months follow up |
| Charavet et al. 2016 [35]/RCT |
S:12 C:12 |
2 | Digital measurement of interdental distance. Incisors inclination with cephalometry | Plaque index, probing depth, attachment level, bleeding, scars. | CT | CT | -- |
| Ma et al. 2015 [36]/RCT |
S:15 C:15 |
-- | CT | -- | CT | -- | 8 months |
| Alikhani et al. 2013 [37]/RCT |
S:10 C:10 |
No | U3-U6 distance measurement in plaster models | Inflammatory response in crevicular liquid | -- | XR | 1 month |
| Al-Naoum et al. 2013 [38]/RCT |
Split-Mouth 30 |
No | Digital measurement U3-U6 distance | -- | -- | -- | 3 months |
| Shoreibah et al. 2012 [39]/RCT |
S:10 C:10 |
3 | -- | Probing depth | XR + DBSWIN software |
XR | 2–3 months + 6 months follow up |
| Shoreibah et al. 2012 [40]/CCT |
S:10 C:10 |
-- | -- | Probing depth | XR + DBSWIN software |
XR | Orthodontic treatment time + 6 months follow up |
| Aboul-Ela et al. 2011 [41]/CCT |
Split-Mouth 13 |
2 | Digital measurement U3-U6 distance | Plaque index, attachment level | -- | -- | 4 months |
S: Study Group. C: Control Group. RCT: Randomized Clinical Trial. CCT: Controlled Clinical Trial. CBCT: Cone Beam Computed Tomography. XR: Radiography. CT: Computed Tomography. U3: Upper canines. U6: Upper molars.