SURGICAL ACCESS OF BILATERAL TRANSMIGRATED IMPACTED MANDIBULAR CANINES: A RARE PHENOMENON - CASE REPORT

Bilateral transmigration of impacted mandibular permanent canines,an extremely uncommon occurrence.The mid-symphyseal region is where,the intraosseous tooth migration takes place.The tooth does not erupt in its usual occusal position and it crosses the mandible\'s midline. Here, a 28 year old male reported to the department of oral surgery,with chief complaints of pain and sensitivity in the lower front teeth region since 1 month. The mandibular right and left deciduous canines were seen to be retained on intraoral inspection. Orthopantomogram revealed mandibular right and left horizontal impacted permanent canines migrated towards the midline and situated below the apices of incisives.The two impacted canines were surgically removed,along with retained deciduous canines were also extracted out normally under local anaesthesia and under preoperative intravenous antibiotic medications. A follow-up on the patient is underway.

Manutenção de espaço: da etiologia à interceptação

INTRODUCTION: the maintenance of space, when early loss of primary teeth occurs, prevents a potential problem - tooth migration - from determining the formation of a malocclusion, constituting a preventive orthodontic maneuver. The loss of a deciduous tooth is considered premature when it is lost before its permanent successor has started the process of eruption. OBJECTIVE: this article aims to review the literature related to the early loss of deciduous teeth, emphasizing its etiology, its consequences on the development of the stomatognathic system, and, also, the devices indicated to prevent the establishment of malocclusions. METHODS AND MATERIALS: the search for the referenced articles was carried out in the PubMed and Google Scholar databases. Laboratory appliances were made in plaster models in order to demonstrate the possibilities and indications of fixed or removable appliances, for different situations involving early tooth loss. CONCLUSION: preventing and intercepting incipient problems is much easier than correcting them in the future.

Hopeless tooth? Prognosis and comprehensive treatment. A case report

A hopeless tooth from a periodontal point of view, with severe bone resorption, mobility and abnormal tooth migration, is often extracted. In advanced cases, function and esthetics are impaired, and an interdisciplinary treatment is requested. Retaining or not these teeth is based on clinician judgment. A growing body of evidence claims that prognosis has great potential to be improved in a motivated patient with good oral hygiene and regular maintenance. This case report aims to present a periodontal regenerative technique combining enamel matrix protein derivatives and a particulated xenograft to treat intraosseous defects caused by periodontitis. The patient healed uneventfully, and no complications were recorded after the surgical procedure. To correct abnormal tooth migration and improve function and esthetics, orthodontic treatment was instituted. Tooth prognosis improved from hopeless to questionable. This approach extended the life span of a compromised tooth, improving periodontal support and decreasing tooth mobility. This could be an alternative to extraction and implant.

The clinical diversity of segmental orthodontics in pre-prosthetic cases

The prosthodontic rehabilitation of edentulous spaces is a very common demand of patients. However, in the majority of cases, this is not as simple as it sounds. Because in time, the consequences of tooth extraction affect the neighboring teeth, leading to tooth migrations, tooth rotations, tilting, and the sagittal and vertical reduction of the edentulous spaces that have to be restored. Using segmental orthodontics on a limited number of teeth associated with skeletal anchorage, we can significantly improve the clinical situation, correcting these consequences of tooth migration following extraction, allowing the prosthodontist to have a better starting point in the process of rehabilitation. The treatment time is shorter than compared to a comprehensive orthodontic treatment, and thus, the patient acceptance may be increased. Once the spaces are correctly calibrated, and the tooth migrations have been corrected, the prosthodontist can restore the missing teeth as minimally invasive as possible.

Treatment of Pathological Tooth Migration using Non- Surgical Periodontal Therapy

Migration or drifting of teeth is always multifactorial. This is one of the major concerns in the field of dentistry. On long standing periodontal disease this pathological migratory phenomenon occurs. Treating this pathological tooth migration requires some of the modalities like periodontal therapy/ orthodontic therapy/ restorative therapy. But in some cases periodontal therapy alone plays an important role in spontaneous correction of PTM. Present case report also demonstrate the spontaneous correction of mandibular anterior tooth proclination and slight amount of open bite with non- surgical periodontal therapy (periodontal therapy) alone

Digital versus Conventional Impression Taking Focusing on Interdental Areas: A Clinical Trial

Due to the high prevalence of periodontitis, dentists have to face a larger group of patients with periodontally compromised dentitions (PCDs) characterized by pathologic tooth migration and malocclusion. Impression taking in these patients is challenging due to several undercuts and extensive interdental areas (IAs). The aim of this clinical trial was to analyze the ability of analog and digital impression techniques to display the IAs in PCDs. The upper and the lower jaws of 30 patients (n = 60, age: 48–87 years) were investigated with one conventional impression (CVI) using polyvinyl siloxane and four digital impressions with intraoral scanners (IOSs), namely True Definition (TRU), Primescan (PRI), CS 3600 (CAR), and TRIOS 3 (TIO). The gypsum models of the CVIs were digitalized using a laboratory scanner. Subsequently, the percentage of the displayed IAs in relation to the absolute IAs was calculated for the five impression techniques in a three-dimensional measuring software. Significant differences were observed among the impression techniques (except between PRI and CAR, p-value < 0.05). TRU displayed the highest percentage of IAs, followed by PRI, CAR, TIO, and CVI. The results indicated that the IOSs are superior to CVI regarding the ability to display the IAs in PCDs.