Table 2.
Study characteristics
| Ref no. | F | T/O F | Mech | Mech/O appli | React | Tot Du | No. of obs | Time obs | Bas | Bas (same as cont) |
|---|---|---|---|---|---|---|---|---|---|---|
| 22. | 50 and 150 g | Cont F | Retr- se | Ni-Ti spg | N | 2 m | 6 | 0, 1, 24 h, 1 wk, 1 m, 2 m | 0 | N |
| 23. | 250 g | Intrrup F | Retr- se | E-chain | NM | 168 h | 4 | 0, 1 h, 24 h, 168 h | 0 | N |
| 24 | 4, 13, 26, 52, or 78 kPa | Cont F | Retr- se | Vert loop act. with Ni-Ti spg | N | 84 d | 9 to 10 | 0, 1, 3, ±7, 14, 28, 42, 56, 70, 84 d | 0 | N |
| 25 | 150 g | Cont F | Retr- se | Ni-Ti spg | N | 3 m | 6 | before act 0, after act 1 h, 24 h, 168 h, 1 m, 3 m | 0 | N |
| 26 | NM | Interm F | Mx expans | Hyrax screw | Y | 81 d | 10 | 0, 14, 25, 32, 33, 39, 46, 53, 60, 81 d | 14 d | Y |
| 27 | SD-NM LD-50 cN | SD - intrrup F LD - cont F | SD - space gaining LD - Retr- se | SD-E - separt LD - Ni-Ti spg | N | SD - 24 h LD - 4 m | SD - 2 LD - 5 | SD - 0 h, 24 h LD - 0, T1, 1 m, 2 m, 3 m | 0 | N |
| 28 | HG - RDG-NM | HG - cont F RDG - heavy Intrrup F | Retr- se | HG - hybrid retract RDG - C distalizer | HG-N RDG-Y | 1 wk | 4 | Before act (0), after act 1 h, 24 h, 1 wk | 0 | Y |
| 29 | Level-NS | Cont F | Level Retr- se | 0.014” NiTi wire Sentalloy c.c. spg |
N | 6 m 21 d | 7 | Level - 0, 7 d, 21 d, 3 m After 6 m Retr - 6 m (0), 7 d, 21 d |
Level - 0 Retr - 6 m-0 |
Y |
| Retr - 150 g | Cont F | |||||||||
| 30 | 250 g | Intrrup F | Retr- se | E-chain | NM | 168 h | 4 | 0, 1, 24, 168 h | 0 | N |
| 31 | Level-NS | Cont F | Level Retr- se | 0.014” NiTi wire Sentalloy c.c. spg |
NM | 6 m 21 d | 6 | Level - 0, 7 d, 21 d After 6 m Retr - 6 m (0), 7 d, 21 d |
Level - 0 Retr - 6 m-0 |
Y |
| Retr - 150 g | Cont F | |||||||||
| 32 | 250 g | Intrrup F | Retr- se | E-chain | N | 7 d | 4 | 0, 1, 24, 168 h | 0 | N |
| 33 | NM | Intrrup F | Space gaining | E - separt | N | 14 d | 5 | −7 d, 0 d, 1 h, 1 d, 7 d | 0 | N |
| 34 | 250 g | Intrrup F | Retr- se | E-chain | N | 168 h | 8 | 0, 1, 4, 8, 24, 72, 120, 168 h | 0 | N |
| 35 | 60, 18, 120, 240 g | Cont F | Retr- se | Vert loop act. with Ni-Ti spg | N | 112 d | 11 | −28, −14, 0, 1, 3, 14, 28, 42, 56, 70, 84 d | 0 | N |
| 36 | Mx C - 115 g | Cont F | Retr- se | Ricketts seg arch | N | 30 d | 6 | 0, 1 h, 24 h, 6 d, 10 d, 30 d | 0 | Y |
| Md C - 90 g | ||||||||||
| 37 | E1: 100 g | E1: Cont | Retr | E1: NiTi spg | E1: N | 3 wk | 10 | 0, 1 h, 24 h, 1 wk, repeat twice | 0 | N |
| E2: NM | E2: Intrrup | E2: screw attached retractor | E2: 2 | |||||||
| 38 | 70 cN | Cont | Tipping | bu/la offset | N | 24 h | 2 | 0, 24 h | 0 | N |
| 39 | NM | Interm F | Mx expans | Hyrax screw | Y | 81 d | 11 | 0, 14, 18, 25, 32, 33, 39, 46, 53, 60, 81 d | 0 | Y |
| 40 | 13 to 4 kPa | Cont | Retr | V loop act by spg | N | 84 d | 9 | 0, 1, 3 d, 14 d intervals until 84 d | 0 | N |
| 41 | 2 to 2.5 N | Intrrup | Retr | E-chain | N | 7 d | 4 | 0, 1, 24, 168 h | 0 | N |
| 42 | 250 g | Intrrup | Retr | E-chain | N | 7 d | 4 | 0, 1, 24, 168 h | 0 | N |
| 19 | 100 g | Cont | Labial tipping | La offset in NiTi wire | N | 7 d | 5 | 0, 1, 24, 48, 168 h | 0 | N |
| 43 | NM | NM | NM | Alignment | NM | 6 m | 3 | 0, 1 m, 6 m | 0 | N |
| 44 | 150 g | Cont | Retr | NiTi spg | N | 45 d | 6 | 0, 2, 4, 7, 30, 45 d | 0 | N |
| 45 | 130 g | Intrrup | Retr | E-chain | N | 24 h | 2 | 0, 24 h | 0 | N |
| 46 | NM | NM | NM | Bracket placement | N | 3 m | 4 | 0, 24 h, 1 wk, 3 m | 0 | Y |
| 47 | 100 g | Cont | Retr | NiTi c.c. spg | N | 42 d | 4 | −10 wk, 0, 4 h, 7 d, 42 d | 0 | N |
| 48 | NM | Intrrup | Space gain | Elastic separt | N | 7 d | 3 | 0, 24 h, 7 d | 0 | N |
| 49 | 150 g | Cont | Retr | V - loop and NiTi c.c. spg | N | 87 d | 7 | −7 d, 0, 1 h, 24 h, 14, 21, 80 d | 0 | Y |
| 50 | NM | Intrrup | Space gin | Elastic separt | N | 14 d | 6 | −7 d, 0, 1 min, 1 h, 1 d, 7 d | 0 | N |
| 51 | 120 g | Cont | Retr | NiTi c.c. spg | N | 21 d | 6 | 1 h, 24 h, 48 h, 168 h, 14 d, 21 d | 1 h | N |
| 52 | 150 g | Cont | Retr | Sentalloy c.c. spg | N | 3 m | 7 | 0, 1, 24, 48 h, 7 d, 21 d, 3 m | 0 | N |
| 53 | 100 g | Cont F | Retr- se | Ni-Ti c.c. spg | N | 28 d | 4 | 0, 1 d, 7 d, 28 d | 0 | Y |
| 54 | 150 g | Cont | Retr | Sentalloy c.c. spg | N | 3 m | 7 | 0, 1, 24, 48 h, 7 d, 21 d, 3 m | 0 | N |
| 55 | NM | Cont | Alignment | 0.014 NiTi wire | N | 7 d | 8 | 0, 1, 2, 3, 4, 5, 6, 7 d | 0 | Y |
| 56 | 13, 26, 52 kPa | Cont | Retr | V loop act by spg | N | 84 d | 9 | 0, 1, 3 d, 14 d intervals until 84 d | 0 | N |
| 57 | NM | Cont | Alignment | 0.014 - NiTi, 0.016 × 0.022 NiTi, 0.019 × 0.025 NiTi | N | 20 wk | 6 | 0, 3 wk, 6 wk, 12 wk, 2 wk | 0 | N |
| 58 | NM | HG: band intrrup F Bond - Cont F NHG - Cont F | Level | 0.014 - in NiTi wire 0.016 × 0.022-in s.s. | N | 70 wk | HG: band-3 HG; bond-2 NHG-2 | HG: band - 18, 0, 52 wk | HG: band - 18 wk | Y |
| HG: bond - 0, 52 wk | Bond - 0 wk | |||||||||
| NHG - 0, 52 wk | NHG - 0 wk | |||||||||
| 59 | 200 g | Cont | Retr | Sentalloy c.c. spg | N | 1 m | 5 | 0,1 h, 24 h, 168 h, 1 m | 0 | Y |
Ref No. reference number, F force, T/O type of, Mech mechanics, Mech/O mechanics of, appli appliance, React reactivation, Tot total, Du duration, N number, obs observation, Bas baseline, min minutes, g grams, Intrrup interrupted, Cont continuous, interm intermittent, Retr retraction, se segmented, spg spring, E-chain elastomeric chain, NiTi nitinol, cont control, NM not mentioned, y year, d day, m month, h hour, Level leveling, separt separator, act activated, HG headgear, NHG non-headgear, bu buccal, la labial, HG hybrid retract, RDG rapid canine distalizer.