An interventional study of extrusion arch in Anterior Open Bite Malocclusion, sponsored by Alexandria University. Completed at 1 site in Egypt. Open to participants aged 18 Years to 40 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2022-11-09.
Sponsored by Alexandria University · Not applicable, Interventional, and Treatment
This study investigated treatment effects and stability of anterior open bite cases using extrusion arches
34 studies on the registry are indexed under Open Bite; 8 are open to participants now.
This study's enrollment of 23 is below the median of 30 across 28 interventional studies indexed under Open Bite.
Browse Open Bite studies →Alexandria University is the lead sponsor of 604 studies on the registry; 140 are open to participants now.
Of its 13 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.
Compared within Open Bite, this study's primary condition as ClinicalTrials.gg classifies it; the registry's first condition term is Malocclusion. The counts are of registry records indexed under each term, refreshed daily. How we classify →
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
adult patients over 18 years having an anterior open bite of more than 2 mm, requiring incisors extrusion
Device: extrusion arch
A stainless steel pre-formed arch wire custom made by placing V-bends 3-5 mm mesial to the molar tubes, placed into the auxiliary molar tubes after leveling phase and tied over the main arch wire distal to the lateral incisors
SNA angle
The anteroposterior position of maxillary base to the anterior cranial base.
Time frame: 18 months
SNB angle
The anteroposterior position of mandibular base to the anterior cranial base.
Time frame: 18 months
ANB angle
The anteroposterior position of maxillary base to the mandibular base.
Time frame: 18 months
SN-MP angle
Mandibular plane angle, the angle between the mandibular plane (Go-Me) and anterior cranial base plane (SN).
Time frame: 18 months
PP-MP angle
The angle between palatal plane (ANS-PNS) and mandibular plane.
Time frame: 18 months
AFH
Anterior facial height, the measurement between Nasion (N) and Menton (Me).
Time frame: 18 months
interincisal angle
- The inner angle between the long axis of the maxillary central incisor and long axis of mandibular central incisor.
Time frame: 18 months
L1 to MP in mm
- The perpendicular distance between the most anterior mandibular central incisor and mandibular plane.
Time frame: 18 months
L1 to MP angle
The angle between long axis of the most anterior central incisor and the mandibular plane.
Time frame: 18 months
overbite
Vertical distances between the incisal edges of the maxillary and mandibular central incisors, perpendicular to N-Me.
Time frame: 18 months
U1 to PP angular and linear measurements
-The angle and perpendicular distance between long axis of the most anterior upper central incisor and the Palatal plane (ANS-PNS).
Time frame: 18 months
u6 to pp angle
-The angle between the axis between mesial cusp tip and mesiobuccal root apex of the upper first molar and the palatal plane.
Time frame: 18 months
U6 to PP in mm
-The perpendicular distance between the mesial cusp tip of the upper first maxillary molar and the palatal plane.
Time frame: 18 months
L6 to MP angle
The angle between the axis between mesial cusp tip and mesial root apex of the lower first molar and the mandibular plane.
Time frame: 18 months
L6 to MP in mm
The perpendicular distance between mesial cusp tip of the lower first molar and the mandibular plane.
Time frame: 18 months
This study is completed, as verified in Nov 2022. You cannot join it, but the record below documents what was studied.
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