Negligible tooth resorptions after anterior open bite treatment using skeletal anchorage with miniplates

Santos, Genivaldo Dos; Consolaro, Alberto; Meloti, Fernanda; Cardoso, Maurício de Almeida; Silva, Ertty; Li, An Tien; Nascimento, Monikelly do Carmo Chagas

doi:10.1590/2177-6709.25.4.016-022.oin

Cited by 6 publications

(8 citation statements)

References 21 publications

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“…Additionally, two mandibular miniplates, also in the shape of a “T”, were placed on the posteroinferior region of the mandibular buccal cortex on both the right and left sides. Alignment and leveling were achieved with progressive increase in wire size including 0.016″ × 0.016″ Neo Sentalloy ® 80 g Dentsply GAC International ® (Iceland, NY, USA), 0.016″ × 0.016″ Titanol low force ® 80 g Forestadent® (Pforzheim, Germany), 0.016″ × 0.022″ Titanol low force® 120 g Forestadent ® (Pforzheim, Germany), 0.016″ × 0.016″ Blue Elgiloy ® Rocky Mountain Orthodontics ® (Denver, CO, USA) e 0.016″ × 0.022″ Blue Elgiloy ® Rocky Mountain Orthodontics ® (Denver, CO, USA) [ 13 ].…”

Section: Methodsmentioning

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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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%

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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“…This reduces the possibility of death of cementoblasts along the root, and reduces the chance of root resorptions. 16 Pure intrusive forces in Orthodontics exist only experimentally and, when resorptions occur at the apexes and bifurcations of these teeth, they are detectable only under a microscope, as they cannot be diagnosed by imaging exams. [3][4][5][6] Studies have revealed that when intrusive forces are eliminated, neighboring tissues quickly repair the resorbed areas.…”

Section: Tooth Resorption and Intrusive Mechanicsmentioning

confidence: 99%

“…1 The intrusive effect in so-called intrusive mechanics may be the result of alveolar remodeling induced by inclination forces and changes in bone volume resulting from subperiosteal bone formation in the external part of the alveolar process 1 , 5 , 8 The more homogeneous distribution of forces with absolute anchorage on miniplates explains the insignificant level of root resorption. 16 …”

Section: Final Considerationsmentioning

confidence: 99%

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Intrusion of posterior teeth using miniplates: intrusive mechanics is not the same as intrusion force

Apolinário

Meloti

Silva

et al. 2021

Dental Press J. Orthod.

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Objective: Biologically explain some of the bone mechanisms involved in the intrusion, or intrusive effect, of teeth submitted to skeletal open bite correction using four miniplates. Methods: The results of dental intrusion were measured and compared in 3D reconstructions of cone beam computed tomography scans taken before and after treatment of 20 patients with skeletal open bite, aged between 18 and 59 years. Results: The results allow deducing that the compression and traction forces biologically promoted deformation or deflection of the osteocyte network that controls bone design, and these effects involved the external and internal surfaces of the bone, with the formation of new layers, including the cervical portion of the alveolar bone crest. This helps understanding how dental intrusion occurs in intrusive mechanics, whose forces are of inclination rather than intrusion. The root resorptions caused by the use of miniplates were insignificant, due to the more homogeneous distribution of forces in the several teeth simultaneously involved. Conclusion: Imaging studies in CT scans tend to capture in details the subperiosteal and endosteal phenomena of dental intrusion - before and after the application of intrusive mechanics -, in the form of a set of modifications called dental intrusion or intrusive effect .

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Negligible tooth resorptions after anterior open bite treatment using skeletal anchorage with miniplates

Cited by 6 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

Intrusion of posterior teeth using miniplates: intrusive mechanics is not the same as intrusion force

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