Effects of the mandibular protraction appliance FLF on the face: morphometric analysis

Authors

DOI:

https://doi.org/10.33448/rsd-v11i9.31950

Keywords:

Malloclusion, Angle Class II; Orthodontics; Face.

Abstract

Objective: To determines the effects of the Mandibular Protraction Appliance FLF associated with fixed orthodontic braces on the face, by means of morphometric analysis. Method: the sample consisted of 60 photographs taken in profile view (30 initial and 30 final photographs) of 30 young Brazilians (17 males and 13 females), with a mean initial age of 12 years and 7 months. Patients who participated in this sample, used the FLF device, and had to have white skin color, with Class II malocclusion, 1st division (minimum ½ class II), mandibular deficiency and convex profile, complete permanent dentition, and balanced growth pattern. The mean time of use of the FLF was 8 months and the mean total time of treatment with fixed devices and MPA FLF was 2 years and 1 month. For comparison between the FLF sample and the skeletal pattern according to Farkas, and comparison between the Pre- and Post-phases, the paired “t” test was used. The significance level of 5% (p<0.05) was adopted. Results: there was a statistically significant difference between the values of the sample studied (MPA FLF) and the Farkas sample in T1 analyzed alone, in T2 also analyzed alone, however, when the difference between T2 - T1 was verified, that is, the effect on the proportion of the face, which occurred, there was no statistically significant difference. Conclusion: it could be affirmed that the MPA FLF showed no impact on the face, despite being an effective method for the correction of Class II malocclusion.

References

Ackerman, J. L., Proffit, W. R., & Sarver, D. M. (1999). The emerging soft tissue paradigm in orthodontic diagnosis and treatment planning. Clin Orthod Res, 2(2), 49-52. 10.1111/ocr.1999.2.2.49

Almeida, M., Farias, A., & Bittencourt, M. (2010). Influência do posicionamento sagital mandibular na estética facial. Dental Press Journal of Orthodontics, 15(2). 10.1590/S2176-94512010000200012

Ardeshna, A., Bogdan, F., & Jiang, S. (2019). Class II correction in orthodontic patients utilizing the Mandibular Anterior Repositioning Appliance (MARA). Angle Orthod, 89(3), 404-410. 10.2319/062618-478.1

Arnett, G. W., & Bergman, R. T. (1993). Facial keys to orthodontic diagnosis and treatment planning. Part I. Am J Orthod Dentofacial Orthop, 103(4), 299-312. 10.1016/0889-5406(93)70010-L

Baccetti, T., Franchi, L., McNamara, J., & Tollaro, I. (1997). Early dentofacial features of Class II malocclusion: a longitudinal study from the deciduous through the mixed dentition. American Journal of Orthodontics and Dentofacial Orthopedics, 111(5), 8. 10.1016/s0889-5406(97)70287-7

Barroso, M. C., Silva, N. C., Quintão, C. C., & Normando, D. (2012). The ability of orthodontists and laypeople to discriminate mandibular stepwise advancements in a Class II retrognathic mandible. Prog Orthod, 13(2), 141-147. 10.1016/j.pio.2011.12.001

Bock, N., & Pancherz, H. (2006). Herbst treatment of Class II division 1 malocclusions in retrognathic and prognathic facial types. Angle Orthod, 76(6), 930-941. 10.2319/100605-352

Bock, N. C., Saffar, M., Hudel, H., Evälahti, M., Heikinheimo, K., Rice, D. P., & Ruf, S. (2018). Outcome quality and long-term (≥15 years) stability after Class II:2 Herbst-multibracket appliance treatment in comparison to untreated Class I controls. Eur J Orthod, 40(5), 488-495. 10.1093/ejo/cjx091

Bock, N. C., von Bremen, J., & Ruf, S. (2016). Stability of Class II fixed functional appliance therapy--a systematic review and meta-analysis. Eur J Orthod, 38(2), 129-139. 10.1093/ejo/cjv009

Coelho Filho, C. M. (2001). Mandibular protraction appliance IV. J Clin Orthod, 35(1), 18-24.

Cozza, P., Baccetti, T., Franchi, L., De Toffol, L., & McNamara, J. A. (2006). Mandibular changes produced by functional appliances in Class II malocclusion: a systematic review. Am J Orthod Dentofacial Orthop, 129(5), 599.e591-512; discussion e591-596. 10.1016/j.ajodo.2005.11.010

Diógenes, A., Matoso, R., Araújo, E., Lima, K., & Sousa, R. (2011). Avaliação cefalométrica dos resultados do aparelho de protração mandibular (APM) associado ao aparelho fixo em relação às estruturas dentoalveolares e tegumentares em pacientes portadores de má oclusão de Classe II, 1ª divisão. Dental Press Journal of Orthodontics, 16(6), 11. 10.1590/S2176-94512011000600010

Espinosa, D. G., Brandão, G. A. M., & Normando, D. (2021). Mandibular advancement analysis among orthodontists, lay people and patients in class ii malocclusion subjects. a three-dimensional imaging study. Orthod Craniofac Res. 10.1111/ocr.12528

Farkas, L. G., Posnick, J. C., & Hreczko, T. M. (1992). Growth patterns of the face: a morphometric study. Cleft Palate Craniofac J, 29(4), 308-315. 10.1597/1545-1569_1992_029_0308_gpotfa_2.3.co_2

Flores-Mir, C., Major, M., & Major, P. (2006). Soft tissue changes with fixed functional appliance in Class II division I. Angle Orthodontist, 76(4), 9.

Fontão, J., Albuquerque, R., & Souza, P. (2003). Aparelho FLF: uma opção de aparelho protrator mandibular. Revista Cínica de Ortodontia Dental Press, 1(6), 8.

Furquim, B., Henriques, J., Janson, G., Siqueira, D., & Furquim, L. (2013). Effects of mandibular protraction appliance associated to fixed appliance in adults. Dental Press Journal of Orthodontics 18(5), 7.

Giuntini, V., Vangelisti, A., Masucci, C., Defraia, E., McNamara, J. A., & Franchi, L. (2015). Treatment effects produced by the Twin-block appliance vs the Forsus Fatigue Resistant Device in growing Class II patients. Angle Orthod, 85(5), 784-789. 10.2319/090514-624.1

Guimarães, C. H., Henriques, J. F., Janson, G., de Almeida, M. R., Araki, J., Cançado, R. H., & Nanda, R. (2013). Prospective study of dentoskeletal changes in Class II division malocclusion treatment with twin force bite corrector. Angle Orthod, 83(2), 319-326. 10.2319/042312-339.1

Jena, A. K., & Duggal, R. (2010). Treatment effects of twin-block and mandibular protraction appliance-IV in the correction of class II malocclusion. Angle Orthod, 80(3), 485-491. 10.2319/062709-359.1

Marsico, E., Gatto, E., Burrascano, M., Matarese, G., & Cordasco, G. (2011). Effectiveness of orthodontic treatment with functional appliances on mandibular growth in the short term. Am J Orthod Dentofacial Orthop, 139(1), 24-36. 10.1016/j.ajodo.2010.04.028

O'Neill, K., Harkness, M., & Knight, R. (2000). Ratings of profile attractiveness after functional appliance treatment. Am J Orthod Dentofacial Orthop, 118(4), 6. 10.1067/mod.2000.109492

Pancherz, H., & Anehus-Pancherz, M. (1994). Facial profile changes during and after Herbst appliance treatment. Eur J Orthod, 16(4), 275-286. 10.1093/ejo/16.4.275

Pontes, L. F., Maia, F. A., Almeida, M. R., Flores-Mir, C., & Normando, D. (2017). Mandibular Protraction Appliance Effects in Class II Malocclusion in Children, Adolescents and Young Adults. Braz Dent J, 28(2), 225-233. 10.1590/0103-6440201701032

Reis, S., Abrão, J., Capelozza Filho, L., & Claro, C. (2006). Análise facial subjetiva. Dental Press Journal of Orthodontics, 11(5), 14.

Ruf, S., & Pancherz, H. (1999). Dentoskeletal effects and facial profile changes in young adults treated with the Herbst appliance. Angle Orthod, 69(3), 239-246. 10.1043/0003-3219(1999)0692.3.CO;2

Ruf, S., & Pancherz, H. (2004). Orthognathic surgery and dentofacial orthopedics in adult Class II Division 1 treatment: mandibular sagittal split osteotomy versus Herbst appliance. Am J Orthod Dentofacial Orthop, 126(2), 140-152; 254-145. 10.1016/j.ajodo.2004.02.011

Silva Filho, O., Bertoz, F., Capelozza Filho, L., & Almada, E. (2009). Crescimento facial espontâneo Padrão II: estudo cefalométrico longitudinal. Dental Press Journal of Orthodontics, 14(1), 21. 10.1590/S1415-54192009000100005

Siqueira, D. F., de Almeira, R. R., Janson, G., Brandão, A. G., & Coelho Filho, C. M. (2007). Dentoskeletal and soft-tissue changes with cervical headgear and mandibular protraction appliance therapy in the treatment of Class II malocclusions. Am J Orthod Dentofacial Orthop, 131(4), 447.e421-430. 10.1016/j.ajodo.2006.04.029

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Published

15/07/2022

How to Cite

CONTE, A. L.; CAPELOZZA FILHO, L.; ALMEIDA-PEDRIN, R. R. de; CARDOSO, M. de A.; LIRA, A. de O. .; SIQUEIRA, D. F. . Effects of the mandibular protraction appliance FLF on the face: morphometric analysis. Research, Society and Development, [S. l.], v. 11, n. 9, p. e43411931950, 2022. DOI: 10.33448/rsd-v11i9.31950. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/31950. Acesso em: 22 nov. 2024.

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Health Sciences