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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05038865
Other study ID # 2020-05319
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date December 1, 2021
Est. completion date December 2027

Study information

Verified date March 2023
Source Malmö University
Contact Mikael Sonesson, PhD
Phone 0046406658447
Email mikael.sonesson@mau.se
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Malocclusions in adolescents may affect oral health related quality of life. The study aims at; 1. Evaluating two instruments measuring oral health related quality of life; "Child Perceptions Questionnaire 11-14" (CPQ 11-14) short form and "Psychosocial Impact of Dental Aesthetics Questionnaire" (PIDAQ). 2. Comparing differences in oral health related quality of life in; 1. adolescents with different types of malocclusion and without malocclusions 2. individuals of different genders and socioeconomic status 3. Longitudinally evaluating differences in oral health related quality of life; 1. before, during and after orthodontic treatment 2. in untreated individuals (without malocclusion) over time


Description:

The individuals that are to be recruited to the study are; Malocclusion group; 500 12-19 year olds with malocclusion, examined at their specialist orthodontic clinic. No malocclusion group; 175 12-19 year olds without malocclusion, examined at their general dentistry clinic. All patients will also answers two questionnaires (in Swedish) measuring oral health related quality of life; CPQ 11-14 short form (Jokovic 2006, Dimberg 2019) and PIDAQ (Klages 2006, Göranson 2020). Randomization will ensure that half of the study participants will begin with CPQ 11-14 short form and then PIDAQ, while half of the participants will answer the questionnaires in the reverse order. The questionnaires will be answered in a calm environment in the dental clinic. All patients will have five standardized intraoral photographs taken. These photographs are already routinely taken at the specialist orthodontic clinics, but is taken in addition to routine procedure at the general dentistry clinic. To determine presence of malocclusion and orthodontic treatment need, two orthodontic indices will be used; ICON (Daniels 2000) and IOTN (Brook 1989). Assessments will be based on intraoral photographs, clinical measurements and pre-existing dental x-rays. Also, patients will be grouped based on their type of malocclusion using the following diagnoses; - Enlarged overjet (≥ 6 mm) with or without incomplete lip closure - Anterior cross bite (One or more incisors) - Deep bite (≥ 2/3 lower incisor coverage) - Frontal open bite (≤0 mm) - Lateral cross bite (two or more teeth, with our without lateral guidance) - Upper or lower arch anterior spacing (largest gap between two neighbouring teeth between canine and canine ≥ 2 mm) - Upper or lower arch anterior crowding (≥ 3 mm lack of space canine to canine) As the study is of longitudinal design, the questionnaires will be answered and the photographs will be taken on several occasions. For the malocclusion group, the time points will be as following; - T0- at the initial examination at the specialist orthodontic clinic, before orthodontic treatment is begun - T2- One year into the orthodontic treatment - T3- Two months after the orthodontic treatment has been completed - T4- One year after the orthodontic treatment has been completed. The no malocclusion group will be examined the same number of times and at the same time intervals as the malocclusion group. Information about DMFT/S (decayed, missing, filled, teeth/surfaces will be gathered from the dental records. Orthodontic extractions will be noted. To be able to determine socioeconomic differences, information about socioeconomic status of the individual study participants will be gathered from the Statistics Sweden.


Recruitment information / eligibility

Status Recruiting
Enrollment 675
Est. completion date December 2027
Est. primary completion date December 2027
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 12 Years to 19 Years
Eligibility Inclusion Criteria: - Adolescents 12-19 years of age with malocclusion (IOTN grade 4 and 5) referred to specialist orthodontic clinics - Adolescents 12-19 years of age without malocclusion (IOTN grad 1, 2 or 3) at general dentistry clinics Exclusion Criteria: - Previous orthodontic treatment - Cleft lip and palate - ASA = III - Intellectual and/or physical inability to answer questionnaires

Study Design


Intervention

Other:
Malocclusion and Orthodontic Treatment
Group 1 is exposed to malocclusion and orthodontic treatment. However, the inclusion in the study does not affect the treatment since it is an observational study. The exposure of group 2 is no malocclusion, no orthodontic treatment.

Locations

Country Name City State
Sweden Folktandvården Östergötland Linköping
Sweden Mikael Sonesson Malmö Skåne
Sweden Eastman Institutet Ortodonti Stockholm

Sponsors (3)

Lead Sponsor Collaborator
Malmö University Folktandvården Stockholms län AB, Region Östergötland

Country where clinical trial is conducted

Sweden, 

References & Publications (6)

Brook PH, Shaw WC. The development of an index of orthodontic treatment priority. Eur J Orthod. 1989 Aug;11(3):309-20. doi: 10.1093/oxfordjournals.ejo.a035999. — View Citation

Daniels C, Richmond S. The development of the index of complexity, outcome and need (ICON). J Orthod. 2000 Jun;27(2):149-62. doi: 10.1093/ortho/27.2.149. Erratum In: J Orthod 2002 Mar;29(1):81. — View Citation

Dimberg L, Lennartsson B, Bondemark L, Arnrup K. Validity and reliability of the Swedish versions of the short-form Child Perceptions Questionnaire 11-14 and Parental Perceptions Questionnaire. Acta Odontol Scand. 2019 Nov;77(8):630-635. doi: 10.1080/00016357.2019.1634282. Epub 2019 Jul 3. — View Citation

Goranson E, Norevall LI, Bagesund M, Dimberg L. Translation and validation of the Swedish version of the Psychosocial Impact of Dental Aesthetics Questionnaire (PIDAQ) for adolescents. Acta Odontol Scand. 2021 May;79(4):241-247. doi: 10.1080/00016357.2020.1823014. Epub 2020 Oct 7. — View Citation

Jokovic A, Locker D, Guyatt G. Short forms of the Child Perceptions Questionnaire for 11-14-year-old children (CPQ11-14): development and initial evaluation. Health Qual Life Outcomes. 2006 Jan 19;4:4. doi: 10.1186/1477-7525-4-4. — View Citation

Klages U, Claus N, Wehrbein H, Zentner A. Development of a questionnaire for assessment of the psychosocial impact of dental aesthetics in young adults. Eur J Orthod. 2006 Apr;28(2):103-11. doi: 10.1093/ejo/cji083. Epub 2005 Oct 28. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Oral Health Related Quality of Life measured with Child Perceptions Questionnaire 11-14 short form- change before and after orthodontic treatment and at matched time points in an untreated population Child Perceptions Questionnaire (CPQ) 11-14 short form is a common instrument measuring Oral Health Related Quality of life (OHRQoL) in children and adolescents. It is a generic instrument, measuring all aspects of OHRQoL. At start of study, 1 year after start of study, at study completion (an average of 2.5 years), 1 year after study completion
Primary Oral Health Related Quality of Life measured with Psychosocial Impact of Dental Aesthetics Questionnaire - change before and after orthodontic treatment and at matched time points in an untreated population Psychosocial Impact of Dental Aesthetics (PIDAQ) is an instrument measuring orthodontic specific aspects of OHRQoL. At start of study, 1 year after start of study, at study completion (an average of 2.5 years), 1 year after study completion
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