Evaluation of efficacy of Utility Arch with intermaxillary elastics for treating skeletal deep bite combined with retroclined upper incisors in mixed dentition: A Clinical Randomized Controlled Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00028870

Enrollment

Registered

2022-04-29

Start date

2019-12-24

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

skeletal deep bite combined with retroclined upper incisors

Interventions

Group 1: Utility arch with posterior intermaxillary elastics Group 2: Fixed acrylic anterior bite plane

Eligibility

Sex/Gender

All

Age

9 Years to 12 Years

Inclusion criteria

Inclusion criteria: 1-Children with skeletal deep bite aged between 9 to 12 years before CS3 stage according to Baccetti et al 2003 2-Horizontal growth pattern according to Bjork (BJORK < 392) 3-Counter-clockwise rotation of the mandible (NSGoMe < 32) 4-Skeletal Class l or mild to moderate Class ll 5-Retroclination of upper incisors 6-Overbite more than 40%

Exclusion criteria

Exclusion criteria: 1-Children who received previous orthodontics treatment 2-Children had dental deep bite or skeletal deep bite from maxillary origin with normal rotation of mandible 3-Children at CS3 stage or older

Design outcomes

Primary

Measure	Time frame
The outcomes measured at T0 (before treatment) and at T1 (when overbite reached the normal range from 30 to 40%). SNA (angle between anterior cranial base and maxilla in sagittal plane), SNB (angle between anterior cranial base and mandible in sagittal plane), ANB (angle between maxilla and mandible in sagittal plane), SNPog (angle between anterior cranial base and chin in sagittal plane), NSAr (angle between anterior cranial base and point Ar), SArGo (angle between SAr and point Go), ArGoMe (angle between ArGo and point Me), BJORK (sum of the last three angles), SNSpp (angle between anterior cranial base and maxilla in vertical plane), SNGoMe (angle between anterior cranial base and mandible in vertical plane), MM (angle between maxilla and mandible in vertical plane), Y-axis (angle between anterior cranial base and point Gn), S-Go (posterior facial height), N-Me (anterior facial height), ANS-Me (lower anterior facial height), Ar-Go (ramus height), Facial height percentage, U1-Spp (vertical distance from upper incisor to maxillary plane), U6-Spp (vertical distance from upper first molar to maxillary plane), L1-GoMe (vertical distance from lower incisor to mandibular plane) , L6-GoMe (vertical distance from lower first molar to mandibular plane), Overjet, Overbite, U1SN (angle between upper incisor and anterior cranial base), U1Spp (angle between upper incisor and anterior cranial base), U1NA (angle between upper incisor and line NA), L1GoMe (angle between lower incisor and mandibular plane) , L1NB (angle between lower incisor and line NB), U1-NA (vertical distance from upper incisor to line NA), L1-NB (vertical distance from lower incisor to line NB), U1L1 (angle between upper and lower incisor).	—

Measure

Time frame

The outcomes measured at T0 (before treatment) and at T1 (when overbite reached the normal range from 30 to 40%). SNA (angle between anterior cranial base and maxilla in sagittal plane), SNB (angle between anterior cranial base and mandible in sagittal plane), ANB (angle between maxilla and mandible in sagittal plane), SNPog (angle between anterior cranial base and chin in sagittal plane), NSAr (angle between anterior cranial base and point Ar), SArGo (angle between SAr and point Go), ArGoMe (angle between ArGo and point Me), BJORK (sum of the last three angles), SNSpp (angle between anterior cranial base and maxilla in vertical plane), SNGoMe (angle between anterior cranial base and mandible in vertical plane), MM (angle between maxilla and mandible in vertical plane), Y-axis (angle between anterior cranial base and point Gn), S-Go (posterior facial height), N-Me (anterior facial height), ANS-Me (lower anterior facial height), Ar-Go (ramus height), Facial height percentage, U1-Spp (vertical distance from upper incisor to maxillary plane), U6-Spp (vertical distance from upper first molar to maxillary plane), L1-GoMe (vertical distance from lower incisor to mandibular plane) , L6-GoMe (vertical distance from lower first molar to mandibular plane), Overjet, Overbite, U1SN (angle between upper incisor and anterior cranial base), U1Spp (angle between upper incisor and anterior cranial base), U1NA (angle between upper incisor and line NA), L1GoMe (angle between lower incisor and mandibular plane) , L1NB (angle between lower incisor and line NB), U1-NA (vertical distance from upper incisor to line NA), L1-NB (vertical distance from lower incisor to line NB), U1L1 (angle between upper and lower incisor).

—

Secondary

Measure	Time frame
Nasolabial angle, N-Sn, Sn-Me	—

Countries

Syria

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026