Treatment of Class III malocclusion using miniscrew-anchored inverted Forsus FRD: Controlled clinical trial

Eissa, Osama; ElShennawy, Mahmoud; Gaballah, Safaa M; El-Mehy, Ghada; El‐Bialy, Tarek

doi:10.2319/110717-760.1

Cited by 10 publications

(23 citation statements)

References 12 publications

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“…Another study conducted by Rodriguez-Cardenas et al gives different results, where the total gonial angle in class III malocclusion is greater than normal, with a normal Go1 and greater Go2 [10]. The total gonial angle in class III malocclusion of female Japanese and Caucasian also shows greater than normal results [21], with an average value greater than that of the Javanese population in the study by Ardani et al [20].…”

Section: Discussionmentioning

confidence: 88%

“…The ratio of posterior facial height/anterior facial height is also lower than normal, which indicates that the Javanese tend to have hypodivergent facial type. Another study states that class III malocclusion patients tend to have hyperdivergent facial type due to the increase of lower anterior facial height and the reduction of posterior facial height [10].…”

Section: Discussionmentioning

confidence: 99%

“…These treatments have their own advantages and disadvantages. The use of chin cup causes clockwise rotation and delayed growth of the mandible [9], while miniscrew-anchored inverted FRD causes distalization of mandibular dentition without increasing anterior facial height [10].…”

Section: Introductionmentioning

confidence: 99%

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Gonial Angle Characteristics of Class III Malocclusion in Javanese Ethnic

Budipramana

Budhy

Ardani

2021

Pesqui. Bras. Odontopediatria Clín. Integr.

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Objective: To describe the gonial angle characteristics in class III skeletal malocclusion in Javanese ethnic. Material and Methods: Pretreatment lateral cephalometric radiographs of 43 Javanese ethnic patients were measured: upper (Go1) and lower gonial angle (Go2), anterior (AFH) and posterior face height ratio (PFH), maxilla-mandibular length difference, mandibular plane angle (FMA), Y axis, ramus position, ANB angle, posterior cranial base/ramus height and mandibular body length/anterior cranial base. The relation between Go1, Go2 and other variables were analysed using correlation and regression analysis. Results: The total gonial angle is within normal range, but Go1 is below normal and Go2 is above normal. There is no difference between male and female gonial angle measurements (p=0.939 and p=0.861, respectively). Ramus position is positively correlated to Go1 (p=0.003), while AFH (p=0.000), maxilla-mandibular length difference (p=0.000), FMA (p=0.000), Y axis (p=0.000), and posterior cranial base/ramus height (p=0.018) are positively correlated to Go2. PFH is negatively correlated to Go2 (p=0.018). Conclusion: The upper gonial angle is influenced by the position of mandibular ramus, while the lower gonial angle is affected by the posterior and anterior lower facial height and mandibular size and rotation. Javanese with class III malocclusion tends to have hypodivergent facial type, with more posteriorly located mandibular ramus and excess mandibular length.

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Section: Discussionmentioning

confidence: 88%

Section: Discussionmentioning

confidence: 99%

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Gonial Angle Characteristics of Class III Malocclusion in Javanese Ethnic

Budipramana

Budhy

Ardani

2021

Pesqui. Bras. Odontopediatria Clín. Integr.

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“…Elastics, FFR, headgear, and FFRD are all available with this purpose. [93][94][95][96] A widely used device for Class III treatment is the protraction facemask, which protracts the maxilla to stimulate its forward growth. 97 Elastics connected to a rapid palatal expander are attached to a larger external device with a forehead rest and chin rest, providing resistant forces that protract the maxilla and reduce the need for orthognathic surgery.…”

Section: Correction Of Sagittal Malocclusionmentioning

confidence: 99%

A Guide to Orthodontic Devices for Trainees in Orthognathic Surgery

Girard

Lake

Chen

et al. 2022

FACE

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Purpose: Despite the interplay between orthodontics and orthognathic surgery, trainees in plastic surgery and oral and maxillofacial surgery do not receive formal training in orthodontics and associated hardware. This study aims to help surgical trainees better understand the role of orthodontic treatment in achieving enhanced dental occlusion and alignment and optimize surgical decision making. Methods: A review of recent literature was conducted to consolidate current practices for the use of orthodontic devices commonly used in orthognathic surgical patients. Results: Orthodontic treatments may be preventive, interceptive, and/or corrective. Braces and clear aligners are popular devices used to correct tooth positioning via 3 orders of control: first (“in-out” and rotation), second (mesio-distal angulation or “tip”), and third order (inclination or torque). Further, various treatments exist for skeletal and dental malocclusions, which may occur in transverse (crossbites, narrow arches) and/or sagittal (over/underbites) planes. Palatal expanders such as the Hyrax or Haas assist in correction of transverse deficiencies. Appliances for sagittal corrections typically take advantage of patient’s remaining growth and include a variety of headgear types (cervical, high-pull, occipital, reverse-pull), functional appliances (fixed or removable), or simply the use of interdental elastics. Conclusion: As patients are increasingly seeking orthodontic care in conjunction with surgery, it is important for surgical trainees to develop a strong understanding of the various orthodontic devices used.

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“…(27) Other intraoral xed appliances like 2x 4 xed appliances (28) improved patients' compliance giving better and faster results. Successively, (29)(30)(31) miniscrews and miniplates have been used in the orthopedic management of class III patients. Unfortunately, miniscrews had complications like injury to adjacent root, potential damage to tooth buds and fracture of the miniscrew itself.…”

Section: Introductionmentioning

confidence: 99%

Three Dimensional Evaluation of Skeletal Effects of Two Non- Compliance Appliances in the Treatment of Growing Skeletal Class Iii Patients (a Randomized Controlled Clinical Trial)

Abbas

Yousry

Marzouk

et al. 2022

Preprint

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Objective Study was conducted to 3D evaluate skeletal effects of two different intraoral force application systems for treating skeletally growing ClassIII patients(RCT). Material and Methods 33 patients recruited and randomly allocated between three groups: GroupI(n = 11)treated with CS2000(CSgroup/ pulling force), GroupII(n = 11)treated with reversed Forsus Fatigue Resistant(RFgroup/ pushing force) and GroupIII(n = 11)untreated control(negative control). A CBCT taken before treatment(T0) and after gaining a 2mm overjet or after observation period of 6months(T1). Skeletal measurements were assessed and compared between groups. Within group comparisons were done using Wilcoxon Sign Rank test. Results Sagittaly in RFgroup, OLp-Apt increased by3.60mm, OLp-Bpt decreased by-2.50mm and OLp-Pg decreased as well by-2.00mm(P < 0.0001). In the same sagittal dimension for CSgroup, OLp-Apt increased by3.10mm, OLp-Bpt decreased by-1.10mm and OLp-Pg decreased as well by-1.00mm. Wits appraisal was increased by5.00mm and5.50mm in RF and CSgroup accordingly(P < 0.0001). There was an increase in OLs-Apt in treatment groups by3.80mm in RFgroup and5.00mm in CSgroup(P < 0.0001). Vertically there was a statistical significant difference between two groups. The ANS-Me decreased in RFgroup by-0.70mm and increased in CSgroup by2.00mm. Both treatment groups demonstrated an increase in SNAangle(2.6°in RFgroup and2.5° in CSgroup), decrease in SNBangle − 1.00°in RFgroup and-2.00°in CSgroup, hence increase in ANBangle.(P < 0.0001) Conclusions CS2000 spring and reversed Forsus Fatigue Resistance device promoted forward maxillary advancement in average of 5months. Both appliances gave close effects to bone anchored maxillary protraction devices and functional appliances, removing compliance factor out of the equation. Clinical relevance: Short term correction of growing skeletal class III using either one of novel techniques give positive skeletal results. Trial registration: Registered in clinicaltrial.gov (NCT04825951) in 01/04/2019, taking the approval of institutional review board at the Faculty of Dentistry, Alexandria University protocol record 070320212.

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Treatment of Class III malocclusion using miniscrew-anchored inverted Forsus FRD: Controlled clinical trial

Cited by 10 publications

References 12 publications

Gonial Angle Characteristics of Class III Malocclusion in Javanese Ethnic

Gonial Angle Characteristics of Class III Malocclusion in Javanese Ethnic

A Guide to Orthodontic Devices for Trainees in Orthognathic Surgery

Three Dimensional Evaluation of Skeletal Effects of Two Non- Compliance Appliances in the Treatment of Growing Skeletal Class Iii Patients (a Randomized Controlled Clinical Trial)

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