The aberrant canine part 1:aetiology and diagnosis

Abstract: The eruption of the permanent canine, particularly the maxillary tooth, is a milestone in dental development. Although often uneventful, occasionally there are disturbances in eruption, the management of which can be one of the more challenging aspects of orthodontics. This article is presented in two parts. Part 1 gives an overview of the possible aetiology and diagnosis of the aberrant canine tooth. CPD/Clinical Relevance: Awareness of the possible sequelae of unerupted canines is important in diagnosis and treatment planning. </jats:p

The aberrant canine part 2:treatment

Abstract: The eruption of the permanent canine, particularly the maxillary tooth, is a milestone in dental development. Although often uneventful, occasionally there are disturbances in eruption, the management of which can be one of the more challenging aspects of orthodontics. This article gives an overview of the possible treatments of the aberrant canine tooth. Clinical Relevance: Awareness of the possible sequelae of unerupted canines is important in diagnosis and treatment planning. </jats:p

National BOS Orthognathic Audit 2017-2018

OBJECTIVE: To carry out a UK national clinical audit of orthognathic acceptance criteria and information provided to orthognathic patients before treatment. DESIGN: National clinical audit. SETTING: Data collected using Bristol Online Surveys. PARTICIPANTS: Sixty-nine UK hospital orthodontic departments submitted data. METHODS: Data were collected at two time points using Bristol Online Surveys over a period of 12 months. These were before treatment at the first multidisciplinary clinic (MDT) and immediately after surgery. The data collected included: Index of Orthognathic Functional Treatment Need (IOFTN); Index of Orthodontic Treatment Need (IOTN); age; previous orthodontic treatment; attendance at an MDT; treatment times; and information provision. RESULTS: Eighty-five units agreed to take part in the audit with 69 submitting data, giving a response rate of 81%. The data from 3404 patients were uploaded, 2263 before treatment and 1141 immediately after surgery. Of patients, 91.07% had an IOFTN score of 4 or 5 and 88.73% had an IOTN score of 4 or 5. The mean age at the first MDT was 22 years in the first cohort and 21 years and 4 months in the second immediate post-surgery cohort. Of patients, 37.93% had undergone some form of previous orthodontic treatment, but only 0.28% had undergone previous orthognathic treatment; 96.93% had an MDT confirm that orthodontic treatment by itself was insufficient to adequately correct their functional symptoms. The average treatment time from bond up to surgery was 2 years and 6 months. With respect to information provision, patients received information from a number of sources, principally the British Orthodontic Society (BOS) patient information leaflets and the BOS website Your Jaw Surgery. CONCLUSIONS: In the UK, the majority of orthognathic cases fulfil the criteria for acceptance for NHS-funded orthognathic treatment, as outlined by the Chief Dental Officer's interim guidance on orthognathic treatment. This suggests any prior approval process would not be a good use of NHS resources in the commissioning of orthognathic treatment

Large expert-curated database for benchmarking document similarity detection in biomedical literature search

Document recommendation systems for locating relevant literature have mostly relied on methods developed a decade ago. This is largely due to the lack of a large offline gold-standard benchmark of relevant documents that cover a variety of research fields such that newly developed literature search techniques can be compared, improved and translated into practice. To overcome this bottleneck, we have established the RElevant LIterature SearcH consortium consisting of more than 1500 scientists from 84 countries, who have collectively annotated the relevance of over 180 000 PubMed-listed articles with regard to their respective seed (input) article/s. The majority of annotations were contributed by highly experienced, original authors of the seed articles. The collected data cover 76% of all unique PubMed Medical Subject Headings descriptors. No systematic biases were observed across different experience levels, research fields or time spent on annotations. More importantly, annotations of the same document pairs contributed by different scientists were highly concordant. We further show that the three representative baseline methods used to generate recommended articles for evaluation (Okapi Best Matching 25, Term Frequency-Inverse Document Frequency and PubMed Related Articles) had similar overall performances. Additionally, we found that these methods each tend to produce distinct collections of recommended articles, suggesting that a hybrid method may be required to completely capture all relevant articles. The established database server located at https://relishdb.ict.griffith.edu.au is freely available for the downloading of annotation data and the blind testing of new methods. We expect that this benchmark will be useful for stimulating the development of new powerful techniques for title and title/abstract-based search engines for relevant articles in biomedical research.Peer reviewe

What Factors Might Affect the Success of Fixed Appliance Therapy in Adolescent Patients? Part 1

The success of orthodontic treatment can be judged in a number of ways, two of which are treatment efficiency and occlusal outcome. Treatment efficiency can be measured in terms of length of treatment and number of visits, whilst occlusal outcomes can be both dynamic and static. The factors that affect success can be considered under three headings, namely patient factors, operator factors and appliance factors. This article will consider outcome and the patient factors which might affect treatment success in our adolescent patients, whilst Part 2 will consider operator and appliance factors. Clinical Relevance: The conversational model of consent requires that clinicians disclose all of the appropriate information to patients prior to them making the decision whether to accept or decline treatment. 1 Understanding factors that could affect the outcome with respect to both treatment efficiency and occlusal result will therefore help inform this consent process. </jats:p