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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03976635
Other study ID # UDDS-Ortho-01-2019
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date February 15, 2015
Est. completion date May 10, 2016

Study information

Verified date June 2019
Source Damascus University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The aim of this study is to evaluate the levels of pain, discomfort and acceptance between two treatment modalities of Class III correction of growing patients in the late mixed dentition period.


Description:

The acceptance of orthodontic appliance is measured by the amount of discomfort occurring during orthodontic treatment. Different feelings can be encountered during the course of orthodontic treatment such as pressure, tension and pain. Pain is defined as an unpleasant feeling and a bad subjective experience combined with internal or external reason and it is considered as the most annoying factor during orthodontic treatment with fixed appliance. In a study by Oliver and Knappman, patients stated that the worse thing related to the orthodontic treatment was pain and 70% of the subjects suffered from pain during orthodontic treatment regardless the appliance' type. The fear from the pain is considered as the most important factor that not encourage patient to ask orthodontic treatment.Many studies demonstrated that there were no differences in the amount of the pain resulted from the orthodontic treatment between males and females [2, 5]. In a study of the reasons which make patient stopped the orthodontic treatment, Haynes found that the pain was the first reason, whereas the second one was the effect of the orthodontic appliance on the patient's daily social life.

When reviewing the medical literature, few studies have been found to identify the patient acceptance degree to the orthodontic appliance used for treating Class III cases in general and Class III functional appliances in particular.Removable appliances were evaluated by a series of publications by Sergl et al in Germany.Additionally, when rigorous study designs are considered utilizing randomized controlled trials (RCTs), there are only few RCTs in the dental literature that evaluated patients' responses towards orthodontic treatment. Idris et al., evaluated Class II growing patients undergoing functional orthopedic corrections, whereas Khattab et al., compared labial brackets versus lingual brackets in terms of speech and functional impairments. Recently, Saleh et al., evaluated the levels of acceptance towards the removable mandibular retractor (RMR) when treating young children with Class III malocclusion in the late primary dentition and early mixed dentition (i.e. between 5 and 9 years) and found high levels of acceptance recommending the need for further analysis of patients' responses to this appliance in older age groups.

Bone-anchored intermaxillary elastics have been proposed as a method of correcting Class III deformities. Although this method was compared to the removable mandibular retractor in terms of skeletal and dentoalveolar changes, but the published paper did not report any information about the associated levels of pain and discomfort as well the general acceptability to this treatment modality.


Recruitment information / eligibility

Status Completed
Enrollment 38
Est. completion date May 10, 2016
Est. primary completion date October 1, 2015
Accepts healthy volunteers No
Gender All
Age group 9 Years to 12 Years
Eligibility Inclusion Criteria:

1. Class III malocclusion according to Angle

2. Presence of anterior cross bite on two teeth or more

3. Class III Skeletal relationship confirmed radiographically (-4<ANB<+1)

4. The lower incisors have normal inclination (Incisor-Mandibular-Plane angle not exceeding 100° and not less than 85°)

5. Late mixed dentition or the beginning of the permanent dentition

6. Eruption of The lower canines and first premolars on both sides

7. Absence of craniofacial syndromes or cleft lip and/or palate abnormalities

8. no supernumerary teeth or missing teeth except for the third molars

9. no previous orthodontic treatment

Exclusion Criteria:

1. Pure maxillary deficiency

2. Pure mandibular prognathism

3. Diseases that prevent the application of mini-implants (e.g. Osteoporosis- cortisone and its derivatives treatment - radiation)

4. The roots of the canine are so close to the first premolar

5. Long face (Maxillary-mandibular plane angle greater than 30° or Mandibular-Cranial-Base angle greater than 36°).

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Removable Mandibular Retractor
The appliance will be used 18 hours per day. It can only be removed for eating meals.
Bone-anchored intermaxillary traction
The patients will be instructed to wear the upper removable appliance for 18 hours per day. The elastics should be extended from the upper appliance towards the lower mini-screws.

Locations

Country Name City State
Syrian Arab Republic Orthodontic Department, University of Hama Dental School Hamah

Sponsors (2)

Lead Sponsor Collaborator
Damascus University Hama University

Country where clinical trial is conducted

Syrian Arab Republic, 

References & Publications (5)

Gibreal O, Hajeer MY, Brad B. Evaluation of the levels of pain and discomfort of piezocision-assisted flapless corticotomy when treating severely crowded lower anterior teeth: a single-center, randomized controlled clinical trial. BMC Oral Health. 2019 Apr 16;19(1):57. doi: 10.1186/s12903-019-0758-9. — View Citation

Idris G, Hajeer MY, Al-Jundi A. Acceptance and discomfort in growing patients during treatment with two functional appliances: a randomised controlled trial. Eur J Paediatr Dent. 2012 Sep;13(3):219-24. — View Citation

Khattab TZ, Farah H, Al-Sabbagh R, Hajeer MY, Haj-Hamed Y. Speech performance and oral impairments with lingual and labial orthodontic appliances in the first stage of fixed treatment. Angle Orthod. 2013 May;83(3):519-26. doi: 10.2319/073112-619.1. Epub 2012 Oct 18. — View Citation

Saleh M, Hajeer MY, Al-Jundi A. Assessment of pain and discomfort during early orthodontic treatment of skeletal Class III malocclusion using the Removable Mandibular Retractor Appliance. Eur J Paediatr Dent. 2013 Jun;14(2):119-24. — View Citation

Sergl HG, Klages U, Zentner A. Pain and discomfort during orthodontic treatment: causative factors and effects on compliance. Am J Orthod Dentofacial Orthop. 1998 Dec;114(6):684-91. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in the sensation of tension or pressure Patients will be asked this question about their sensation of tension or pressure (Item no 01):
Do you have a sense of tension and pressure in your soft tissues?
A standardized questionnaire will be used to assess pain, discomfort and functional impairments' levels during the first six months of treatment.
A four-point Likert scale is going to be used consisting of: (not at all), (little), (much) or (very much) to which points 0, 1, 2 and 3 respectively are going to be ascribed. Each questionnaire is going to be completed by the child in the presence of one of his/her parents.
Questionnaires will be filled at the following assessment times: one day following appliance insertion (T1), one week (T2), six weeks (T3), three months (T4) and after 6 months of appliance insertion (T5)
Primary Change in the perception of pain Patients will be asked this question about their perception of pain (Item no 02):
'Have you experienced any degree of pain?'
A standardized questionnaire will be used to assess pain, discomfort and functional impairments' levels during the first six months of treatment. A four-point Likert scale is going to be used consisting of: (not at all), (little), (much) or (very much) to which points 0, 1, 2 and 3 respectively are going to be ascribed. Each questionnaire is going to be completed by the child in the presence of one of his/her parents.
Questionnaires will be filled at the following assessment times: one day following appliance insertion (T1), one week (T2), six weeks (T3), three months (T4) and after 6 months of appliance insertion (T5)
Primary Change in the perception of speech Patients will be asked this question about any change encountered in the articulation of sounds (Item no 03):
'Do you feel that your articulation has changed?'
A standardized questionnaire will be used to assess pain, discomfort and functional impairments' levels during the first six months of treatment. A four-point Likert scale is going to be used consisting of: (not at all), (little), (much) or (very much) to which points 0, 1, 2 and 3 respectively are going to be ascribed. Each questionnaire is going to be completed by the child in the presence of one of his/her parents.
Questionnaires will be filled at the following assessment times: one day following appliance insertion (T1), one week (T2), six weeks (T3), three months (T4) and after 6 months of appliance insertion (T5)
Primary Change in swallowing ability Patients will be asked this question about any difficulties encountered during swallowing (Item no 04):
'Do you have difficulty in swallowing?'
A standardized questionnaire will be used to assess pain, discomfort and functional impairments' levels during the first six months of treatment. A four-point Likert scale is going to be used consisting of: (not at all), (little), (much) or (very much) to which points 0, 1, 2 and 3 respectively are going to be ascribed. Each questionnaire is going to be completed by the child in the presence of one of his/her parents.
Questionnaires will be filled at the following assessment times: one day following appliance insertion (T1), one week (T2), six weeks (T3), three months (T4) and after 6 months of appliance insertion (T5)
Primary Change in mandibular restriction Patients will be asked this question about any restrictions encountered in lower jaw movements (Item no 05):
'Do you have a sense of your mandible movement being restricted?'
A standardized questionnaire will be used to assess pain, discomfort and functional impairments' levels during the first six months of treatment. A four-point Likert scale is going to be used consisting of: (not at all), (little), (much) or (very much) to which points 0, 1, 2 and 3 respectively are going to be ascribed. Each questionnaire is going to be completed by the child in the presence of one of his/her parents.
Questionnaires will be filled at the following assessment times: one day following appliance insertion (T1), one week (T2), six weeks (T3), three months (T4) and after 6 months of appliance insertion (T5)
Primary Change in self-confidence perception Patients will be asked this question about their feelings when meeting other people regarding self-confidence (Item no 06):
'Do you have any feeling of embarrassment or lack of confidence?'
A standardized questionnaire will be used to assess pain, discomfort and functional impairments' levels during the first six months of treatment. A four-point Likert scale is going to be used consisting of: (not at all), (little), (much) or (very much) to which points 0, 1, 2 and 3 respectively are going to be ascribed. Each questionnaire is going to be completed by the child in the presence of one of his/her parents.
Questionnaires will be filled at the following assessment times: one day following appliance insertion (T1), one week (T2), six weeks (T3), three months (T4) and after 6 months of appliance insertion (T5)
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