Effect of piezocision on molar intrusion in open-bite treatment using a modified MEAW technique

Yılmaz, Hanife Nuray; Alakus, Evin; Erdem, Buket; Küçükkeleş, Nazan

doi:10.1007/s00056-020-00261-3

Cited by 4 publications

(5 citation statements)

References 38 publications

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“…There are several differences between our study and previous study designs, as detailed below. Firstly, the amount of space closure in 4 months was mainly observed as a primary outcome in previous studies [49]. The primary outcome in this trial is the space closing time from the initiation of ER to the end of space closure which can re ect long-term effects of piezocision in ER.…”

Section: Discussionmentioning

confidence: 99%

“…However, there is still no clear conclusions on the e cacy of piezocision in accelerating ER treatment so far. Two recent trials studied the effectiveness of piezocision in accelerating ER in premolars extraction orthodontic cases reached disputed conclusions [49,50]. Different trial designs and study populations are probably the main reasons accounting for the controversial conclusions.…”

Section: Discussionmentioning

confidence: 99%

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Efficacy and Safety of Piezocision in Accelerating Maxillary Anterior Teeth En-Masse Retraction: Study Protocol for a Randomized Controlled Trial

Liu

et al. 2022

Preprint

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Background: Orthodontic treatment is commonly more time-consuming in adults than in teenagers, especially when it comes to the maxillary en-masse retraction, which may take 9 months or even longer. As to solve this concern, orthodontists have been striving to seek new methods for shortening orthodontic treatment time. Piezocision, as a popular alternative treatment, have been widely used in different types of tooth movement. However, its effect on en-masse retraction of maxillary anterior teeth remains unclear. This randomized controlled trial intends to figure out the role piezocision plays in accelerating en-masse retraction. Methods: This protocol is designed for a prospective, single-center, assessor-blinded and parallel-group randomized controlled trial. Twenty adult patients aged from 18 to 40 whose orthodontic treatment required bilateral maxillary first premolars extraction will be randomly assigned to the piezocision group and the control group at a ratio of 1:1. The piezocision group will undergo en-masse retraction immediately after the piezo surgery, while the control group will start en-masse retraction directly. Both groups will be followed up every two weeks to maintain the retraction force until the end of space closure. The space closing time is set as the primary endpoint. Meanwhile, the secondary endpoints include the change of root length, labial and palatal alveolar bone thickness, vertical bone height, probing depth of maxillary anterior teeth, cephalometric measurements, visual analogue scale, and postoperative satisfaction questionnaire.Discussion: This study will attempt to provide more convincing evidence to verify whether piezocision will shorten the time of en-masse retraction or not. Distinguished with previous studies, our study has made some innovations in orthodontic procedure and primary outcome measurement, aiming to clarify the efficacy and safety of piezocision-assisted en-masse retraction in Chinese population.Trial registration: Chinese Clinical Trial Registry ChiCTR 1900024297. Registered on 5 July 2019.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Efficacy and Safety of Piezocision in Accelerating Maxillary Anterior Teeth En-Masse Retraction: Study Protocol for a Randomized Controlled Trial

Liu

et al. 2022

Preprint

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“…As a minimally invasive method of OTM acceleration, piezocision has been widely used in clinical practice [ 51 ]. To the best of our knowledge, piezocision has been verified to have an acceleration effect on several types of tooth movement, including dentition alignment, canine distalization, molar intrusion, and protraction [ 41 , 52 – 54 ]. However, there is still no clear conclusions on the efficacy of piezocision in accelerating ER treatment so far.…”

Section: Discussionmentioning

confidence: 99%

Efficacy and safety of piezocision in accelerating maxillary anterior teeth en-masse retraction: study protocol for a randomized controlled trial

Tong

et al. 2022

Trials

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Background Orthodontic treatment is commonly more time-consuming in adults than in teenagers, especially when it comes to the maxillary en-masse retraction, which may take 9 months or even longer. As to solve this concern, orthodontists have been striving to seek new methods for shortening orthodontic treatment time. Piezocision, as a popular alternative treatment, has been widely used in different types of tooth movement. However, its effect on en-masse retraction of maxillary anterior teeth remains unclear. This randomized controlled trial intends to figure out the role piezocision plays in accelerating en-masse retraction. Methods This protocol is designed for a prospective, single-center, assessor-blinded and parallel-group randomized controlled trial. Twenty adult patients aged from 18 to 40 whose orthodontic treatment required bilateral maxillary first premolars extraction will be randomly assigned to the piezocision group and the control group at a ratio of 1:1. The piezocision group will undergo en-masse retraction immediately after the piezo surgery, while the control group will start en-masse retraction directly. Both groups will be followed up every 2 weeks to maintain the retraction force until the end of space closure. The space closing time is set as the primary endpoint. Meanwhile, the secondary endpoints include the change of root length, labial and palatal alveolar bone thickness, vertical bone height, probing depth of maxillary anterior teeth, cephalometric measurements, visual analogue scale, and postoperative satisfaction questionnaire. Discussion This study will attempt to provide more convincing evidence to verify whether piezocision will shorten the time of en-masse retraction or not. Distinguished with previous studies, our study has made some innovations in orthodontic procedure and primary outcome measurement, aiming to clarify the efficacy and safety of piezocision-assisted en-masse retraction in Chinese population. Trial registration Chinese Clinical Trial Registry ChiCTR 1900024297. Registered on 5 July 2019

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“…This process may accelerate tooth movement through regional acceleratory phenomenon. [8][9][10][11] Even though studies have reported that piezocision shortens orthodontics treatment time, 6,12,13 the literature still shows controversial results. 14,15 In addition, the influence of this procedure in the teeth responses to orthodontic forces (biomechanics), as well as changes in the amount and direction of orthodontic three-dimensional tooth displacement remains unknown.…”

Section: Introductionmentioning

confidence: 99%

“…While in CBCT scans the visualization of dental crowns is not accurate due to partial volume averaging, possible metallic artefacts and dental intercuspation during the image acquisition, the IOSs do not allow evaluation of the dental roots. The integration of these image modalities may optimize its diagnostic value, granting researchers and clinicians a comprehensive and enhanced analysis of the roots, root canals and crowns, 12,[17][18][19][20] also aiding in critical tooth position assessments. Additionally, the advent of innovative artificial intelligence (AI)-based tools [19][20][21][22][23][24][25][26] have facilitated merging root canals and crown segmentations, as well as automatic placement of landmarks and quantification of tooth movement.…”

Section: Introductionmentioning

confidence: 99%

Automated artificial intelligence‐based three‐dimensional comparison of orthodontic treatment outcomes with and without piezocision surgery

Gurgel,

Alvarez,

Aristizabal

et al. 2023

Orthod Craniofacial Res

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Objective(s)This study aims to evaluate the influence of the piezocision surgery in the orthodontic biomechanics, as well as in the magnitude and direction of tooth movement in the mandibular arch using novel artificial intelligence (AI)‐automated tools.Materials and MethodsNineteen patients, who had piezocision performed in the lower arch at the beginning of treatment with the goal of accelerating tooth movement, were compared to 19 patients who did not receive piezocision. Cone beam computed tomography (CBCT) and intraoral scans (IOS) were acquired before and after orthodontic treatment. AI‐automated dental tools were used to segment and locate landmarks in dental crowns from IOS and root canals from CBCT scans to quantify 3D tooth movement. Differences in mesial‐distal, buccolingual, intrusion and extrusion linear movements, as well as tooth long axis angulation and rotation were compared.ResultsThe treatment time for the control and experimental groups were 13.2 ± 5.06 and 13 ± 5.52 months respectively (P = .176). Overall, anterior and posterior tooth movement presented similar 3D linear and angular changes in the groups. The piezocision group demonstrated greater (P = .01) mesial long axis angulation of lower right first premolar (4.4 ± 6°) compared with control group (0.02 ± 4.9°), while the mesial rotation was significantly smaller (P = .008) in the experimental group (0.5 ± 7.8°) than in the control (8.5 ± 9.8°) considering the same tooth.ConclusionThe open source‐automated dental tools facilitated the clinicians' assessment of piezocision treatment outcomes. The piezocision surgery prior to the orthodontic treatment did not decrease the treatment time and did not influence in the orthodontic biomechanics, leading to similar tooth movements compared to conventional treatment.

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Effect of piezocision on molar intrusion in open-bite treatment using a modified MEAW technique

Cited by 4 publications

References 38 publications

Efficacy and Safety of Piezocision in Accelerating Maxillary Anterior Teeth En-Masse Retraction: Study Protocol for a Randomized Controlled Trial

Efficacy and Safety of Piezocision in Accelerating Maxillary Anterior Teeth En-Masse Retraction: Study Protocol for a Randomized Controlled Trial

Efficacy and safety of piezocision in accelerating maxillary anterior teeth en-masse retraction: study protocol for a randomized controlled trial

Automated artificial intelligence‐based three‐dimensional comparison of orthodontic treatment outcomes with and without piezocision surgery

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