121,762 research outputs found
Orthodontic treatment in periodontal patients: A case report with 7 years follow-up [Traitement orthodontique chez les patients atteints de troubles parodontaux : �tude de cas avec sept ans de suivi]
No full textIntroduction: Tooth flaring of the anterior segment is often unesthetic and therefore a primary reason for combined orthodontic and periodontal treatment in adult patients with periodontal disease. Thus, a multidisciplinary approach is frequently chosen for these patients by a qualified dental team. Materials and methods: A clinical case of an adult patient suffering from chronic periodontitis with horizontal bone loss in the anterior segment and consequent flaring of the anterior teeth is described. A combined approach was chosen, initially to improve and stabilize the periodontal situation via multiple scaling and root planning sessions with additional pharmacological therapy and, finally by orthodontic treatment, to resolve the malocclusion. Results: At the end of treatment, bone resorbtion was stabilized, the vertical bone defect was improved and incisor flaring was absent. Follow-up at 7 years post-treatment confirmed the stability of the orthodontic and esthetic results. Conclusions: The correct combination of orthodontic and periodontal treatment may contribute efficaciously to eliminate the effects of chronic periodontitis in adult patients, as well as improving esthetic parameters. � 2011 CEO Published by/�dit�par Elsevier Masson SAS All rights reserved/Tous droits r�serv�s
Orthodontic partial disimpaction of mandibular third molars prior to surgical extraction
No full textOdontodysplasia of the third molars is a relatively common anomaly. The frequent complications associated with this disorder very often constitute an indication for extraction of the third molar. This surgical treatment can damage the lower alveolar nerve and/or trigger distal bone loss of the second molar, thus jeopardizing the future status of the periodontium. The author presents two case studies treated exclusively with miniscrews with no dental anchorage in order to achieve partial eruption of the third molar moving it away from the lower alveolar nerve and to avoid unwanted impact on other teeth. Following this procedure, the third molar was extracted without complications. In conclusion, this approach can offer an alternative to surgical treatment alone in cases where the proximity of tooth and nerve poses a significant risk
Classification of Temporary Anchorage Devices in Orthodontics
No full textAny field of knowledge and learning requires the use of accepted terminology to avoid confusion, particularly in academic environments. To date in orthodontics, however, the terms used to identify temporary anchorage devices (TADs) or miniscrews have been misleading and confusing to users, not to mention students
Il trattamento ortodontico nel paziente affetto da malattia parodontale. Rapporto di un caso con follow up a 7 anni
No full textIntroduzione: lo sventagliamento dei denti nel settore anteriore rappresenta spesso,
nel paziente adulto affetto da parodontopatia, motivo di disagio estetico
e causa prima di richiesta di interveto terapeutico combinato ortodontico-parodontale.
L`approccio multidisciplinare diventa pertanto, in particolar modo per
i pazienti adulti, la scelta di elezione per un team odontoiatrico qualificato.
Materiali e metodi: viene descritto un caso clinico di soggetto adulto affetto
da parodontite cronica con riassorbimento osseo orizzontale dei settori
frontali e conseguente flaring dei denti anteriori. Si decide di procedere
con una terapia combinata che prevede in prima istanza il miglioramento
e la stabilizzazione del quadro parodontale mediante sedute multiple di
Scaling e Root Planning con associata terapia farmacologica di supporto.
In seconda battuta invece si procede alla risoluzione della malocclusione
mediante terapia ortodontica.
Risultati: il paziente a fine cura presenta una stabilizzazione del riassorbimento
osseo e un miglioramento dei difetti ossei verticali con assenza di
flaring incisivo. Il follow up a 7 anni conferma la stabilità del risultato ortodontico
ed estetico raggiunti.
Conclusioni: la corretta combinazione di terapia ortodontica e parodontale
può efficacemente contribuire all’arresto degli effetti della parodontite
cronica dell’adulto, oltre che a un miglioramento dei parametri estetici.Introduction: Tooth flaring in the anterior sector is often unsightly and is therefore
a primary cause of combined orthodontic and periodontal treatment in
adult patients affected by periodontal disease. Thus, a multidisciplinary approach
is frequently chosen for these patients by a qualified odontoiatric team.
Materiale and methods: A clinical case of an adult patient affected by chronic
periodontitis with horizontal bone resorption in the frontal section and consequent
flaring of the anterior teeth is described herein. A combined approach
was chosen, initially to improve and stabilise the periodontal situation via
multiple scaling and root planning sittings with accompanying pharmacological
therapy, and finally to resolve the malocclusion via orthodontic treatment.
Results: At the end of treatment, bone resorption was stabilised, the vertical bone
defect was improved and incisor flaring was absent. A follow-up at seven years
post-treatment confirmed the stability of the orthodontic and aesthetic results.
Conclusion: The correct combination of orthodontic and periodontal treatment
may efficaciously contribute to the arrest of the effects of chronic periodontitis
in adult patients, as well as improving aesthetic parameters
Craniofacial Asymmetry and Temporomandibular Joint Internal Derangement in Female Adolescents: a Case Report
No full textMandibular molar uprighting using mini-implants: Different approaches for different clinical cases-Two case reports.
No full text
Surgical and orthodontic treatment of skeletal Class III featuring severe transversal and sagittal discrepancy
No full textAims: Anterior cross-bite is a difficult malocclusion to treat in adult patients, especially if compounded by skeletal discrepancy. The present study describes a dentoskeletal Class III case and aims to provide the clinician with rational guidelines for presurgical orthodontic preparation and postsurgical finishing. Patient and methods: In this case, a 20-year-old male patient, R.M, was treated for severe dental and skeletal Class III malocclusion on both the transversal and anteroposterior planes via combined orthodontics and surgery. Initially, the treatment involved surgically-assisted expansion of the upper jaw (total 1 month), followed by a fixed-orthodontics phase to decompensate for the malocclusion in preparation for movement of the osseous bases with the aim of achieving maximum coordination of the dental arches. After 19 months of orthodontic preparation, the patient underwent combined orthognathic surgery (upper and lower jaws). In the subsequent 4 months, orthodontic stabilization and finishing were performed, and debonding was carried out 24 months after the start of active treatment. Results: The combined orthodontic and surgical treatment adequately corrected the severe Class III over a period of 2 years, leading to a satisfactory occlusal, functional and aesthetic result. Conclusions: Thorough diagnosis and close communication between the orthodontist and maxillofacial surgeon, operating as an interdisciplinary team, ensures good outcomes, even in complex orthodontic and surgical cases. � 2012
Mechanical evaluation of the stability of one or two miniscrews under loading on synthetic bone
No full textThe aim of the present study was to evaluate the primary stability of a two-miniscrew system inserted into a synthetic bone and to compare the system with the traditional one. Forty-five bi-layered polyurethane blocks were used to simulate maxillary cancellous and cortical bone densities. Samples were randomly assigned to three groups-one-miniscrew system (Group A, N = 23), two-miniscrew system (Group B, N = 22) and archwire-only (Group C, N = 10). A total of 67 new miniscrews were subdivided into Group A (23 singles) and Group B (22 couples). 30 mm of 19′′ × 25′′ archwires were tied to the miniscrew. The load was applied perpendicularly to the archwire. Maximum Load Value (MLV), Yield Load (YL) and Loosening Load (LL) were recorded for each group. The YL of Group B and C had a mean value respectively of 4.189 ± 0.390 N and 3.652 ± 0.064 N. The MLV of Group A, B and C had a mean value respectively of 1.871 ± 0.318N, of 4.843 ± 0.515 N and 4.150 ± 0.086 N. The LL of Group A and B had a mean value respectively of 1.871 ± 0.318 N and of 2.294 ± 0.333 N. A two- temporary anchorage device (TAD) system is on average stiffer than a one-TAD system under orthodontic loading
Management of Class III Extraction with the Miniscrew-Supported Orthodontic Pseudo-Ankylosis (MSOPA) Using Direct Tads
No full textThe aim of the present study is to represent the orthodontic treatment of a young patient with a skeletal Class III malocclusion(Wits Appraisal -9 mm), in which the extractions of the first lower premolars were performed to obtain a class III camouflage using direct temporary anchorage devices (TADs). The patient reported a history of three years of orthodontic treatment at another clinic and the radiographic evaluation revealed an important impairment of the upper root incisors. A treatment was performed with a fixed appliance in the upper and lower arches using an archwire sequence of 0.16 CuNiTi, 19 x 25 CuNiTi, 19 x 25 SS and was carried out in 18 months. Post-treatment records of our patient show a control of facial esthetics from the frontal and lateral perspectives, with a harmonious soft-tissue profile. A Class I canine was achieved and her overbite and overjet were normalized by retracting the mandibular anterior teeth and carrying out a bodily mesialization of the posterior sector into the extraction space. In conclusion, the "pseudoankylosis system" used in this case allowed the desired result to be achieved with minimal change to the lower incisal inclination and without overloading the anterior upper and lower sectors, thus reducing the risk of further root resorption and patient compliance
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