Efficacy of Minimally Invasive Surgical Technique in Accelerating Orthodontic Treatment
Evaluation the Efficacy of Flapless Corticotomy Accomplished by Either Hard-laser or Piezosurgey in Accelerating Upper Canine Retraction and Evaluation of the Dento-alveolar Changes and the Levels of Acceptance and Discomfort.
Thirty six patients needs therapeutic extraction of the maxillary first premolars with subsequent retraction of the maxillary canines will be divided randomly into two groups : piezocision group and the ER:yttrium aluminum garnet (YAG) laser group. In each group, piezocision or hard laser-assisted flapless corticotomy will randomly assigned to one side of the maxillary arch at the first premolar region, and the other side served as the control. Canine retraction will be initiated after completion of the leveling and alignment phase via closed nickel-titanium coil springs applying 150 g of force per side, soldered trans-palatal arch will be used as an anchor unit.
Pre- and post distalization dental casts will be evaluated to study rate of canine distalization, canine rotation and anchorage loss over a follow-up period until a Class I canine relationship is achieved. The levels of pain and discomfort will be self-reported using a questionnaire with visual analog scales administered at four assessment times during the first month after the minimally invasive procedure.
調査の概要
詳細な説明
One main issue in orthodontics is the prolonged treatment time, leading patients, especially adults, to avoid treatment or seek alternative options such as implants or veneers with less than optimal results.
Therefore, the search for methods that decrease the treatment duration is a main challenge in orthodontic research. Decreased duration of therapy seems to be related not only to better patient compliance, but also to reduced treatment -related root resorption , better periodontal health and lower risk of caries and white spots. Adjunct to the proper selection of brackets, wires, biomechanic systems, force levels, and anchorage systems, an array of novel techniques has been introduced to accelerate orthodontic tooth movement. These techniques can be briefly categorized as surgical and non-surgical. However The surgical approach is the most clinically used and most tested with known predictions and stable results. The invasiveness of surgical procedures, requiring full mucoperiosteal flaps, might have been a drawback for their widespread acceptance among orthodontists and patients. Therefore, more conservative flapless corticotomy techniques have recently been proposed. Although various techniques of flapless corticotomy have been reported to be successful in practice, scientific evidence for their effectiveness so far has been limited to case series and a handful of clinical trials, generally with small groups. Therefore further controlled prospective studies are needed to study the effectiveness of flapless corticotomy in accelerating orthodontic tooth movement .
研究の種類
入学 (実際)
段階
- 適用できない
連絡先と場所
研究場所
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Damascus、シリア・アラブ共和国、DM20AM18
- Department of Orthodontics, University of Damascus Dental School
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
Inclusion Criteria:
- Adult healthy patients , Male and female , Age range: 15-27 years.
Class II Division 1 malocclusion :
- Mild / moderate skeletal Class II (sagittal discrepancy angle ≤7)
- Overjet ≤10
- Normal or excessive facial height (Clinically and then cephalometrically assessed using these three angles : mandibular/cranial base angle, maxillary/mandibular plane angle and facial axis angle)
- Mild to moderate crowding ≤ 4
- Permanent occlusion.
- Existence of all the upper teeth (except third molars).
Good oral and periodontal health:
- Probing depth < 4 mm
- No radiographic evidence of bone loss .
- Gingival index ≤ 1
- Plaque index ≤ 1
Exclusion Criteria:
- Medical problems that affect tooth movement (corticosteroid, nonsteroidal antiinflammatory drugs (NSAIDs), …)
- patients have anti indication for oral surgery ( medical - social - psycho)
- Presence of primary teeth in the maxillary arch
- Missing permanent maxillary teeth (except third molars).
Poor oral hygiene or Current periodontal disease:
- Probing depth ≥ 4 mm
- radiographic evidence of bone loss
- Gingival index > 1
- Plaque index > 1
- Patient had previous orthodontic treatment
研究計画
研究はどのように設計されていますか？
デザインの詳細
- 主な目的：処理
- 割り当て：ランダム化
- 介入モデル：並列代入
- マスキング：独身
武器と介入
参加者グループ / アーム |
介入・治療 |
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実験的：Piezosurgery
In one half of the dental arch, piezosurgery will be performed for canine retraction, whereas in the other half ordinary canine retraction procedure will be followed.
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Corticotomy cuts will be performed by this technique.
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実験的：ER:YAG Laser
In one half of the dental arch, ER:YAG laser irradiation will be performed for canine retraction, whereas in the other half ordinary canine retraction procedure will be followed.
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Corticotomy cuts will be performed by this technique.
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この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Rate of canine retraction
時間枠：This will be measured immediately at the end of the tooth movement, i.e. when the retracted canine reaches its final position which takes up to 12 weeks
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The distance traveled by mm is divided by the time required in weeks.
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This will be measured immediately at the end of the tooth movement, i.e. when the retracted canine reaches its final position which takes up to 12 weeks
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二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Rate of molar anchorage loss
時間枠：This will be measured immediately at the end of the tooth movement, i.e. when the retracted canine reaches its final position which may take up to 12 weeks
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The amount of mesial movement of the first molar in millimeters (mm) is divided by the time required to retract the upper canines (in weeks).
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This will be measured immediately at the end of the tooth movement, i.e. when the retracted canine reaches its final position which may take up to 12 weeks
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Change in canine rotation
時間枠：This will be measured at the following assessment times: T1: baseline, T2: after 4 weeks of canine retraction, T3: after 8 weeks of canine retraction, T4: when the canine reaches its final position up to 12 weeks
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This measurement will be performed on plaster models taken at the aforementioned assessment times.
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This will be measured at the following assessment times: T1: baseline, T2: after 4 weeks of canine retraction, T3: after 8 weeks of canine retraction, T4: when the canine reaches its final position up to 12 weeks
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Change in the levels of pain and discomfort
時間枠：These levels will be assessed at: one day following the intervention, one week, two weeks, and four weeks following the intervention.
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Assessment will be performed using questionnaires via visual analog scales.
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These levels will be assessed at: one day following the intervention, one week, two weeks, and four weeks following the intervention.
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協力者と研究者
スポンサー
捜査官
- 主任研究者：Alaa Alfawal, DDS、MSc student at the Orthodontic Department, University of Damascus Dental School
- スタディチェア：Mohammad Y Hajeer, DDS MSc PhD、Associate Professor of Orthodontics, University of Damascus Dental School
出版物と役立つリンク
一般刊行物
- Aksakalli S, Calik B, Kara B, Ezirganli S. Accelerated tooth movement with piezocision and its periodontal-transversal effects in patients with Class II malocclusion. Angle Orthod. 2016 Jan;86(1):59-65. doi: 10.2319/012215-49.1. Epub 2015 May 19.
- Alikhani M, Raptis M, Zoldan B, Sangsuwon C, Lee YB, Alyami B, Corpodian C, Barrera LM, Alansari S, Khoo E, Teixeira C. Effect of micro-osteoperforations on the rate of tooth movement. Am J Orthod Dentofacial Orthop. 2013 Nov;144(5):639-48. doi: 10.1016/j.ajodo.2013.06.017.
- Hoogeveen EJ, Jansma J, Ren Y. Surgically facilitated orthodontic treatment: a systematic review. Am J Orthod Dentofacial Orthop. 2014 Apr;145(4 Suppl):S51-64. doi: 10.1016/j.ajodo.2013.11.019.
- Aboul-Ela SM, El-Beialy AR, El-Sayed KM, Selim EM, El-Mangoury NH, Mostafa YA. Miniscrew implant-supported maxillary canine retraction with and without corticotomy-facilitated orthodontics. Am J Orthod Dentofacial Orthop. 2011 Feb;139(2):252-9. doi: 10.1016/j.ajodo.2009.04.028.
- Al-Naoum F, Hajeer MY, Al-Jundi A. Does alveolar corticotomy accelerate orthodontic tooth movement when retracting upper canines? A split-mouth design randomized controlled trial. J Oral Maxillofac Surg. 2014 Oct;72(10):1880-9. doi: 10.1016/j.joms.2014.05.003. Epub 2014 May 14.
- Alfawal AMH, Hajeer MY, Ajaj MA, Hamadah O, Brad B. Evaluation of piezocision and laser-assisted flapless corticotomy in the acceleration of canine retraction: a randomized controlled trial. Head Face Med. 2018 Feb 17;14(1):4. doi: 10.1186/s13005-018-0161-9.
研究記録日
主要日程の研究
研究開始
一次修了 (実際)
研究の完了 (実際)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (見積もり)
学習記録の更新
投稿された最後の更新 (見積もり)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
追加の関連 MeSH 用語
その他の研究ID番号
- UDDS-Ortho-03-2015
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不正咬合、角度クラス IIの臨床試験
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University of Rome Tor Vergata完了
Piezosurgeryの臨床試験
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Le Huynh Thien An完了