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    Endodontic Retreatment Using Rotary System and Aesthetic Rehabilitation of a Deciduous Central Maxillary Incisor in a 5‐Year‐Old Child: A Case Report
    (Wiley, 2026-01)
    Domínguez-Gaibor, Esthefany
    ;
    Ribadeneira-Morales, Leslee
    ;
    Sempertegui, Paulina
    ;
    Parise Vasco, Juan Marcos  
    ;
    Wesley, Hannah
    Introduction Early childhood caries (ECC) affects the primary dentition of preschool children and can result in the need for pulp treatment. Endodontic retreatment in deciduous teeth is indicated when initial treatment fails, representing a conservative alternative to extraction. Objective This case describes pulp retreatment using a rotary system and complete aesthetic rehabilitation of the anterosuperior sector in a pediatric patient. Case Report A 5‐year‐old systemically healthy male patient attended the clinic with ECC affecting the maxillary central and lateral incisors. Clinical examination revealed a temporary dentition with bilateral Class I molar relationship. The left maxillary central incisor presented a previous deficient endodontic obturation with material extending only one‐third of the root length. The treatment plan included pulp retreatment of Tooth 61, fiberglass postplacement, and celluloid crowns on maxillary incisors, in addition to comprehensive oral cavity rehabilitation. Canal debonding was performed with K‐files, removing zinc oxide eugenol. Reinstrumentation was performed with Hedstrom File #30 and the U1 file rotary system (0.40 mm, torque 2.5 N·m, and 400 RPM), with a working length of 11.5 mm. An irrigation protocol was performed using physiological saline, as well as 2.5% and 5% sodium hypochlorite. Obturation was performed with Metapex. Subsequently, a fiberglass post cemented with RelyX dual and celluloid crown with Filtek Supreme resin were placed. One‐year follow‐up demonstrated an asymptomatic tooth, remaining in the mouth in favorable conditions with successful aesthetic and functional restoration. The mother and patient expressed high satisfaction with the outcome. Conclusion In this pediatric case, endodontic retreatment of a deciduous maxillary central incisor using a rotary system, combined with fiberglass post placement and celluloid crown rehabilitation, resulted in favorable clinical and radiographic outcomes at 12‐month follow‐up. Within the limitations of a single‐case report, these findings suggest that retreatment may be considered a viable conservative alternative to extraction in carefully selected clinical scenarios.
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    Robotic-Assisted Gait Training Combined with Multimodal Rehabilitation for Functional Recovery in Acute Dermatomyositis: A Case Report
    (2025)
    Esparza Yánez, Wilmer  
    ;
    Rebeca Benalcazar-Aguilar
    ;
    Gabriela Moreno-Andrade
    ;
    Israel Vinueza-Fernández
    This case report examines the impact of robotic-assisted therapy (Lokomat) on functional recovery in a 28-year-old male patient with acute dermatomyositis (DM), an autoimmune inflammatory myopathy causing progressive muscle weakness and disability. The patient underwent 21 sessions of robotic therapy combined with physical therapy, and occupational therapy over seven weeks. Assessments were conducted at baseline, week 10, and week 21 using standardized measures for balance, muscle strength, and functionality. Results demonstrated significant improvements across all domains: balance scores progressed from severe impairment (4/56 Berg, 0/28 Tinetti) to near-normal function (55/56, 24/28, respectively); muscle strength increased from grade 1/5 to 4/5 (MMT-8) in all tested muscle groups; and functionality improved from moderate dependence (59/126 FIM) to complete independence (126/126). The trunk functionality scores showed remarkable recovery from 12/100 to 100/100 (TCT), indicating restored trunk control. Lokomat-assisted therapy combined with conventional rehabilitation effectively improves proximal weakness and postural instability in DM. Robotic therapy enhances motor learning via repetitive movements and reduces therapist workload. Though limited by a single-case design, this study offers preliminary evidence for robotic rehabilitation in DM, previously unexplored. Controlled studies are needed to standardize protocols and validate results in larger cohorts. Advanced technologies show promise for functional recovery in inflammatory myopathies.
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