Effect of orthodontic maxillary posterior en masse intrusion anchored with miniplates on maxillary sinuses volume. Retrospective CBCT study

Portes, Maila Izabela Pêsso; Ertty, Ertty; Meloti, Fernanda; An, Tien-Li; Conti, Ana Cláudia de Castro Ferrreira; Cardoso, Maurício de Almeida

doi:10.1016/j.jormas.2021.11.004

Cited by 4 publications

(6 citation statements)

References 21 publications

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“…The mechanics that were used for intrusion included the use of elastomeric alloys—Ultra Thread Round Solid (GAC)—with a diameter of 0.030″, with a force intensity between 150 and 200 g, attached from the miniplates to the teeth or to the wire, depending on the desired force vector. For distalization, sliding jigs activated with E-links® Modules TP Orthodontics ® (La Porte, IN, USA) elastics with a force of 300–400 g [ 11 – 13 ] were used.…”

Section: Methodsmentioning

confidence: 99%

“…Due to its multifactorial nature, various treatments have been proposed, often with high recurrence rates [ 10 ]. The advent of skeletal anchorage and CBCT has improved diagnosis accuracy and treatment planning predictability, reducing the need for orthognathic surgery, previously considered the gold standard treatment [ 5 , 11 ]. Orthodontic mechanics combined with increased skeletal anchorage using miniplates is indicated for SAOB treatment, facilitating occlusal plane correction and achieving muscular, skeletal, and dental balance [ 12 ].…”

Section: Introductionmentioning

confidence: 99%

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Craniomandibular transverse tomographic evaluation after anterior open bite orthodontic treatment with miniplates anchorage

de Mesquita,

Meloti,

Silva

et al. 2024

Prog Orthod.

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Background Skeletal anterior open bite (SAOB) represents one of the most complex and challenging malocclusions in orthodontics. Orthodontic treatment supported by miniplates enable to reduce the need for orthognathic surgery. Transverse dimension may be affected by intrusion biomechanics. This study aims to assess transverse bone alterations in patients with SAOB who underwent orthodontic treatment with absolute anchorage using four miniplates. Methods A total of 32 patients of both sexes, with an average age of 33.8 years, diagnosed with SAOB and treated orthodontically with four miniplates (one in each hemiarch), were selected for this study. Tomographic examinations were performed before (T1) and after (T2) orthodontic treatment. Linear measurements (width of the maxillary base, maxillary alveolar, maxillary root, maxillary dental cusp, mandibular alveolar) and angular measurements (maxillary intermolar angle) were assessed in these images. The Shapiro-Wilks normality tests were applied to verify data distribution, and the paired t-test was used to compare the initial and final measures obtained. Results Among the evaluated parameters, the maxillary alveolar width, maxillary dental cusp width, mandibular alveolar cusp width, and intermolar angle showed statistically significant differences between T1 and T2 (p < 0.05). However, maxillary base and maxillary root widths showed no significant difference (p > 0.05). Conclusions Intrusion and distalization with miniplates in SAOB therapy may lead to significant expansive changes, due to molars cusps width and buccal inclination increase restricted at the alveolar level.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Craniomandibular transverse tomographic evaluation after anterior open bite orthodontic treatment with miniplates anchorage

de Mesquita,

Meloti,

Silva

et al. 2024

Prog Orthod.

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“…In the induced tooth-bone movement with enhanced anchorage, the applied force is distributed more uniformly across the bone and tooth structures, justifying why tooth resorptions are less frequent and intense in orthodontic treatments with miniplates than those observed in conventional treatments. [8][9][10][11][12]…”

Section: Applied Forces: Distribution X Intensitymentioning

confidence: 99%

What changes in the biology of bone movement induced with mini-implants/miniplates is the synchronicity

Consolaro

Silva

Cardoso

2022

Dental Press J. Orthod.

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Introduction: Induced tooth-bone movement occurs by a synchronicity of dental and bone phenomena, thanks to the osteocytic network, which is a three-dimensional network that controls the bone shape or design. Objective: To describe the tooth-bone movement induced by enhanced anchorage, divided into three distinct moments: zero, start and stop. Question: From this description, the main question arises: with the use of mini-implants/miniplates, what changes in the biology of induced tooth-bone movement? The answer is: nothing changes, either biologically or microscopically. Conclusion: This technique optimizes the treatment time, and the range of therapeutic possibilities is broadened, thanks to the synchronicity of phenomena - which remain the same, in all teeth and bones, yet in a synchronized manner. Bone anchorage represents synchronicity in induced tooth-bone movement.

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“…Recently, several studies have suggested that biomechanical stimulation has dimensional and volumetric effects on maxillary sinus in adults [ 7 , 10 ], while other studies have reported less or minimal effects on maxillary sinus dimensions and volume [ 16 , 17 ]. However, the hypothesis remains controversial.…”

Section: Introductionmentioning

confidence: 99%

Influence of Orthodontic Treatment on Changes in the Maxillary Sinus Dimensions

Tanaka,

Yamada,

Higashino

et al. 2024

Cureus

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Objective This study aimed to investigate the correlation of craniofacial morphology with maxillary sinus morphology and to evaluate whether orthodontic treatment facilitates maxillary sinus enlargement in adults. Materials and methods A total of 45 adult women underwent cephalography and computed tomography before and after orthodontic treatment. All participants were classified into three groups: skeletal class I, II, and III. The average dimensions and volume of the maxillary sinus were calculated in each subgroup. Furthermore, multiple regression analysis was used to analyze the correlations of maxillary sinus dimensions with 20 cephalometric variables. Results Before treatment, the maxillary sinus width, height, depth, and volume were 32.2 ± 3.9 mm, 39.5 ± 3.8 mm, 38.6 ± 1.8 mm, and 36,179.3 ± 5,454.0 mm 3 in skeletal class I, 33.9 ± 6.2 mm, 37.3 ± 3.5 mm, 38.6 ± 2.4 mm, and 34,729.8 ± 6,686.6 mm 3 in skeletal class II, and 32.0 ± 4.3 mm, 41.8 ± 5.0 mm, 38.0 ± 2.8 mm, and 35,592.3 ± 10,334.3 mm 3 in skeletal class III, respectively. Despite no significant differences in maxillary sinus width, depth, or volume, the height was significantly lower in the skeletal class II than in the other two. Regardless of the skeletal pattern, maxillary sinus height and volume increased considerably after treatment. Moreover, the maxillary sinus width was substantially involved in pretreatment U1 to SN and overbite and posttreatment U1 to NA and overjet. Conclusion Except for the height, the maxillary sinus dimensions were almost similar, irrespective of the skeletal classification. The posttreatment sinus height and volume were significantly greater than the pretreatment values, although the sinus width and length showed no significant changes during orthodontic treatment. This implies that orthodontic treatment may facilitate the enlargement of the maxillary sinus even after physical growth.

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Effect of orthodontic maxillary posterior en masse intrusion anchored with miniplates on maxillary sinuses volume. Retrospective CBCT study

Cited by 4 publications

References 21 publications

Craniomandibular transverse tomographic evaluation after anterior open bite orthodontic treatment with miniplates anchorage

Craniomandibular transverse tomographic evaluation after anterior open bite orthodontic treatment with miniplates anchorage

What changes in the biology of bone movement induced with mini-implants/miniplates is the synchronicity

Influence of Orthodontic Treatment on Changes in the Maxillary Sinus Dimensions

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