Relative effectiveness of facemask therapy with alternate maxillary expansion and constriction in the early treatment of Class III malocclusion

Liu, Yuyao; Hou, Renya; Jin, Hairu; Zhang, Xin; Wu, Zuping; Li, Zixuan; Guo, Jie

doi:10.1016/j.ajodo.2019.12.028

Cited by 22 publications

(12 citation statements)

References 28 publications

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“…Our study reported a signi cant change in difference of angle of convexity 7.93˚ at the end of treatment in Alt-RAMEC treatment group. Our result was better than nding reported by Halicioglu 16 , Liu 17 and Singh et al 4 These nding pertaining to angle of convexity explain a better soft tissue pro le in comparison to conventional protocol.…”

Section: Discussioncontrasting

confidence: 78%

Effects of Alt-RAMEC protocol with Facemask therapy in cleft lip palate patients in a sample of Pakistani population

Sami

Ali

Farooqui

2022

Preprint

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Objective: The objective of the study is to evaluate the skeletal, dentoalveolar and soft tissue changes before and after treatment with Alt-RAMEC protocol and protraction headgear in comparison to the controls. Material and Methods: A quasi experimental study was conducted in orthodontic department on 60 patients of cleft lip and palate. These patients were divided into two groups. Group I was the treatment group that underwent Alt-RAMEC protocol followed by facemask therapy while group II was the control group that underwent RME followed by facemask therapy. Total treatment time in both groups was 6 -7months. Mean and standard deviation was calculated for all the quantitative variables. Pre and post treatment changes between treatment and control groups were made using paired t-test. Intergroup comparison between treatment and control group was analyzed using independent t-test. Significance for all tests was predetermined at a P-value of ≤ 0.05 Results: Treatment group showed significant forward movement of maxilla and improvement in the maxillary base. Remarkable improvement in SNA was seen. The overall result was better maxillo-mandibular relationship as shown by positive ANB values and angle of convexity. More effect on maxilla and least effect on mandible was notified with Alt-RAMEC protocol and facemask therapy. Improvement in transverse relationship was also evident in the treatment group. Conclusion: Alt-RAMEC protocol in combination with protraction headgear is a better alternative to treat cleft lip and palate patient in comparison to the conventional protocol.

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Section: Discussioncontrasting

confidence: 78%

Effects of Alt-RAMEC protocol with Facemask therapy in cleft lip palate patients in a sample of Pakistani population

Sami

Ali

Farooqui

2022

Preprint

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“…After MARPE became a generally-accepted approach, cases with maxillary transverse de ciency or borderline Class III cases could be resolved with non-surgical skeletal expansion and maxillary protraction in adolescent and young adult patients. 11,13,[32][33][34][35][36] Several researchers have investigated key factors affecting the success rate of MSE, including the appliance itself, the anteroposterior position of mini-implants, the bi-cortical vs. mono-cortical penetration of mini-implants, bone thickness, sex, chronological age, and activation frequency, all of which affect the nal result of expansion. 26,27,37,38 Among them, the bone thickness or density and the gender or age of a patient cannot be controlled.…”

Section: Discussionmentioning

confidence: 99%

A Digital Workflow for Mini-Implant–Assisted Rapid Palatal Expander Construction

Hsu

Moon²,

Chen³

et al. 2023

Preprint

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Background Non-surgical mini-implant assisted rapid palatal expansion, or midfacial skeletal expansion, is a paradigm-shifting concept that in recent years has expanded the envelope of orthopedic movement in the transverse direction for adult patients. Although adding mini-screws to a rapid palatal expander is not complicated, accurate and successful expansion strongly depends on the device’s position and its relation to the resisting structures of the maxillofacial complex. Case presentation This article presents a digital workflow to locate the optimal position of the Midfacial Skeletal Expander (MSE) device in a CBCT-combined intraoral scan file and describes how to transfer the MSE position intra-orally with properly sized bands during the device fabrication. The complete digital workflow of MSE fabrication and its application for a Class III orthognathic surgical case is presented in detail. Conclusions This report describes a completely digital process that can accurately position the MSE device according to the orientation and morphology of maxillary basal bone, which is crucial in adult cases demand maxillary expansion.

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“…Palatine plane rotation and mandible downward and backward rotation in maxillary protraction with teeth supported anchorage resulting in improvement of the skeletal relationship. Another consequence of mesial movement of the posterior teeth -particularly in mixed dentition and dental extrusion, inclination, and increase in vertical dimension was arch length loss (14)(15)(16) .…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Cephalometric Changes in Treatment of Skeletal Class III Malocclusion Using Miniscrews and Intermaxillary Coil Spring

Mahmoud¹,

Ibrahim²,

Elkabbany³

2022

ADJ-for Girls

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Purpose:The aim of this study was evaluation of cephalometric changes in treatment of skeletal class III malocclusion using miniscrews and intermaxillary closing coil springs. Material and methods: Ten patients with skeletal Class III malocclusion due to maxillary deficiency were selected, their age range from 12 to 15 years old with erupted all permanent teeth. Miniscrews (Hubit, Hubit co, Korea) were inserted (1.6 mm diameter, 10 mm length) in upper arch between upper second premolars and first molars and (1.4 mm diameter, 8 mm length) in lower arch between canines and first premolars were used. A fixed posterior bite plate was used to eliminate occlusal interferences and facilitate bite jumping. The force was immediately delivered (250g) per sides using closed coil spring (Ortho Technology, TAD coil spring, 9mm, USA). Dentoskeletal and soft tissues cephalometric changes were measured by using Orisceph RX3 software (Italy) for pre and after 6 th months. Results: Regarding specific cephalometric measurements there was statistically significant difference and soft tissue improvement. Conclusion: Intermaxillary miniscrews supported coil spring is a promising protocol for skeletal class III patient . Success depends on proper presurgical patient counseling and miniscrews placement.

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Relative effectiveness of facemask therapy with alternate maxillary expansion and constriction in the early treatment of Class III malocclusion

Cited by 22 publications

References 28 publications

Effects of Alt-RAMEC protocol with Facemask therapy in cleft lip palate patients in a sample of Pakistani population

Effects of Alt-RAMEC protocol with Facemask therapy in cleft lip palate patients in a sample of Pakistani population

A Digital Workflow for Mini-Implant–Assisted Rapid Palatal Expander Construction

Evaluation of Cephalometric Changes in Treatment of Skeletal Class III Malocclusion Using Miniscrews and Intermaxillary Coil Spring

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