Status:
COMPLETED
The Impact of Surgical Technique on PDC
Lead Sponsor:
Örebro County Council
Collaborating Sponsors:
Sormland County Council, Sweden
Jonkoping County Hospital
Conditions:
Tooth, Impacted
Eligibility:
All Genders
8-16 years
Phase:
NA
Brief Summary
Permanent canines in the maxilla usually erupt into the mouth at 11-12 years of age. In approximately 2% of the Swedish population they fail to erupt, and are then referred to as impacted. One severe ...
Detailed Description
Methods of exposing canines are today left to the personal choice of the surgeon and orthodontist. According to an unpublished survey among orthodontists in Sweden 2012, 80% of them use the closed tec...
Eligibility Criteria
Inclusion
- Patients with diagnosis of uni- or bilateral palatally impacted canine/-s planned for surgical exposure at start of treatment of the impacted canines. In the bilateral impaction cases, the impacted canine in the more severe position according to the criteria (in Zone 2-4) proposed by Ericson and Kurol is included in the trial.
- Dental development stage: maxillary DS2M1 and DS3M2 according to Björk
- Pretreatment mesial position of the impacted canine in Zone 2-4, according to the criteria proposed by Ericson and Kurol, documented in panoramic radiographs.
Exclusion
- Diseases affecting the somatic and/or craniofacial growth
- Diseases not compatible with anaesthesia or surgery
- Known neuropsychiatric diagnosis or documented learning disability
- Problem to understand Swedish (patient and parent). Interpreter needed
- Patients older than 16 years of age at the year of start of treatment
- Ongoing orthodontic treatment
- Patients with agenesis of the lateral incisor in the impacted side
- Pretreatment mesial position of the impacted canine in Zone 5, according to the criteria proposed by Ericson and Kurol, documented in panoramic radiographs
- Pretreatment vertical position of the impacted canine above the full length root of the central incisor on the same side, according to Fleming, PS. et al.
Key Trial Info
Start Date :
June 1 2013
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
February 1 2021
Estimated Enrollment :
120 Patients enrolled
Trial Details
Trial ID
NCT02186548
Start Date
June 1 2013
End Date
February 1 2021
Last Update
September 10 2021
Active Locations (3)
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1
Tandregleringen, Kungsgatan. 21A
Eskilstuna, Sweden, 631 88
2
Odontologiska institutionen, avdelningen för ortodonti, Hermansvägen 5
Jönköping, Sweden, 551 11
3
Centrum för specialisttandvård, avdelningen för ortodonti, Klostergatan 26
Örebro, Sweden, 703 61