Stability of Anterior Open Bite Treatment Using Extrusion Arches

Not Applicable

Completed

• Conditions: Anterior Open Bite Malocclusion
• Interventions: Device: extrusion arch

• Registration Number: NCT05599074
• Lead Sponsor: Alexandria University

Brief Summary

This study investigated treatment effects and stability of anterior open bite cases using extrusion arches

Detailed Description

Not available

Study Timeline

• Study Start: 2019-04-01
• Primary Completion: 2022-05-01
• Study Completion: 2022-05-01
• Study First Submitted: 2022-10-18
• Study First Submitted QC: 2022-10-25
• Study First Posted: 2022-10-31
• Status Verified: 2022-11
• Last Update Submitted: 2022-11-05
• Last Update Posted: 2022-11-09

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 23

Inclusion Criteria

• adult patients above 18 years anterior open bite 2-6 mm full permanent dentition incisors requiring extrusion

Exclusion Criteria

• increased incisal show at rest
• gum show at smiling cleft patients patient with tempro-mandibular joint problems FMA angle above 45

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Arm && Interventions

Group	Intervention	Description
AOB adults	extrusion arch	adult patients over 18 years having an anterior open bite of more than 2 mm, requiring incisors extrusion

Primary Outcome Measures

Name	Time	Method
SNA angle	18 months	The anteroposterior position of maxillary base to the anterior cranial base.
interincisal angle	18 months	- The inner angle between the long axis of the maxillary central incisor and long axis of mandibular central incisor.
L1 to MP in mm	18 months	- The perpendicular distance between the most anterior mandibular central incisor and mandibular plane.
U6 to PP in mm	18 months	-The perpendicular distance between the mesial cusp tip of the upper first maxillary molar and the palatal plane.
SNB angle	18 months	The anteroposterior position of mandibular base to the anterior cranial base.
ANB angle	18 months	The anteroposterior position of maxillary base to the mandibular base.
PP-MP angle	18 months	The angle between palatal plane (ANS-PNS) and mandibular plane.
overbite	18 months	Vertical distances between the incisal edges of the maxillary and mandibular central incisors, perpendicular to N-Me.
U1 to PP angular and linear measurements	18 months	-The angle and perpendicular distance between long axis of the most anterior upper central incisor and the Palatal plane (ANS-PNS).
u6 to pp angle	18 months	-The angle between the axis between mesial cusp tip and mesiobuccal root apex of the upper first molar and the palatal plane.
SN-MP angle	18 months	Mandibular plane angle, the angle between the mandibular plane (Go-Me) and anterior cranial base plane (SN).
AFH	18 months	Anterior facial height, the measurement between Nasion (N) and Menton (Me).
L1 to MP angle	18 months	The angle between long axis of the most anterior central incisor and the mandibular plane.
L6 to MP angle	18 months	The angle between the axis between mesial cusp tip and mesial root apex of the lower first molar and the mandibular plane.
L6 to MP in mm	18 months	The perpendicular distance between mesial cusp tip of the lower first molar and the mandibular plane.

Trial Locations

Locations (1)

Alexandria faculty of Dentistry; 🇪🇬 Alexandria, Egypt