The Experts below are selected from a list of 30480 Experts worldwide ranked by ideXlab platform
Louis Mcardle - One of the best experts on this subject based on the ideXlab platform.
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the mesially impacted mandibular third Molar the incidence and consequences of distal cervical caries in the mandibular Second Molar
Surgeon-journal of The Royal Colleges of Surgeons of Edinburgh and Ireland, 2016Co-Authors: Louis Mcardle, Judith Jones, Nishma Patel, Fraser McdonaldAbstract:Abstract Aims Distal Cervical Caries (DCC) of the mandibular Second Molar (Md2M) is primarily related to retained mesially impacted third Molars (Md3M). Treatment of this condition indicates the removal of the Md3M and the restoration of the Md2M and, on occasions, the loss of the Md2M. The aim of this study was to determine the incidence, treatment outcomes for patients, and calculate costs related to Md2M DCC. Methods A review of 121 patients who had Md3M removed due to Md2M DCC was undertaken to determine the treatment outcomes for patients. The number of patients affected by DCC of Md2M was calculated from the incidence of DCC (15%) in a cohort of patients requiring Md3M removal (1100) and the annual number of patients undergoing third Molar surgery in England. Direct costs were calculated using NHS and independent treatment tariffs and indirect costs from Office of National Statistics (ONS). Results It is estimated that 152,000 patients in England undergo third Molar removal on an annual basis. Approximately 27,000 Md3M are removed annually due to DCC of the Md2M; costing £27 m to treat with additional costs of £28 m if dental implant replacement of the Md2M is included. Total cost for treating Md2M DCC: £55 m/annum. Conclusions Treating Md2M DCC and its consequences is expensive for healthcare funders such as the NHS and for patients. Md2M DCC is avoidable if patients who are at risk have prophylactic Md3M removal. This would offer potential and substantial savings in the financial cost of treating an otherwise avoidable disease.
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distal cervical caries in the mandibular Second Molar an indication for the prophylactic removal of third Molar teeth update
British Journal of Oral & Maxillofacial Surgery, 2014Co-Authors: Louis Mcardle, Fraser Mcdonald, Judith JonesAbstract:In 2005 we reported the clinical findings of 100 patients who had mandibular third Molars removed because of distal cervical caries in the mandibular Second Molar. The aim of this follow-up study was to find out whether the findings in a new group of patients corroborate those of our previous study. We report on the clinical features of 239 patients (mean (SD) age 32.1 (7.85) years, range 20-65) who had 288 mandibular third Molars removed because of distal cervical caries in the Second Molar. Patients had better dental health than average, and 67% had a DMF (decayed, missing, or filled) score of 5 or less. In 89% of third Molars the mesial angulation was between 40° and 80°. Distal cervical caries in Second Molars is a late complication of third Molar retention. The prophylactic removal of a partially erupted mesioangular third Molar will prevent distal cervical caries forming in the Second Molar tooth.
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distal cervical caries in the mandibular Second Molar an indication for the prophylactic removal of the third Molar
British Journal of Oral & Maxillofacial Surgery, 2006Co-Authors: Louis Mcardle, Tara RentonAbstract:Abstract Aims Distal cervical caries (DCC) in mandibular Second Molar teeth are responsible for the removal of up to 5% of all mandibular third Molars. Our aim was to identify the clinical features of these patients. Methods We evaluated the records of 100 patients who had 122 mandibular third Molars removed because of distal cervical caries in the Second Molar. Results Eighty-two percent of third Molars had a mesial angulation of between 40° and 80°. The peak age for removal of third Molars was 5 years later than in other studies and patients had better dental health than average. The incidence of distal cervical caries DCC has been shown to increase with age. Conclusion Distal cervical caries is a late phenomenon and has been reported only in association with impacted third Molars. The early or prophylactic removal of a partially erupted mesio-angular third Molar could prevent distal cervical caries forming in the mandibular Second Molar.
Deivanayagam Kandaswamy - One of the best experts on this subject based on the ideXlab platform.
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endodontic management of a fused mandibular Second Molar and paraMolar with the aid of spiral computed tomography a case report
Journal of Endodontics, 2007Co-Authors: Suma Ballal, Gurmeet Singh Sachdeva, Deivanayagam KandaswamyAbstract:Fusion and gemination are developmental anomalies of the dental hard tissues that might require endodontic and surgical treatment for functional, orthodontic, or esthetic reasons. In this article, we report a rare case of successful endodontic management of unilateral fused mandibular Second Molar with a paraMolar. The rarity with which this entity appears, along with its complex characteristics, often makes it difficult to diagnose and treat. The use of high-end diagnostic imaging modalities such as spiral computed tomography can help the clinician in making a confirmatory diagnosis and determining the treatment plan before undertaking the actual treatment. This case report highlights the usefulness of spiral computed tomography in accurate diagnosis and endodontic management of these unusual cases.
Gary R Hartwell - One of the best experts on this subject based on the ideXlab platform.
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obturation of a retained primary mandibular Second Molar using mineral trioxide aggregate a case report
Journal of Endodontics, 2001Co-Authors: Sean Osullivan, Gary R HartwellAbstract:This case report demonstrates Mineral Trioxide Aggregate obturation of the root canal system of a retained primary mandibular Second Molar where no succedaneous permanent tooth was present. The technique seemed to provide a biocompatible seal of the root canal system in this case. It is not recommended for obturation of primary teeth that are expected to exfoliate since it is anticipated that Mineral Trioxide Aggregate would be absorbed slowly, if at all.
Chiarella Sforza - One of the best experts on this subject based on the ideXlab platform.
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quantification of odontological differences of the upper first and Second Molar by 3d 3d superimposition a novel method to assess anatomical matches
Forensic Science Medicine and Pathology, 2019Co-Authors: Daniele Gibelli, D De Angelis, Francesco Riboli, Claudia Dolci, C Cattaneo, Chiarella SforzaAbstract:The introduction of modern 3D image acquisition systems has enabled researchers to develop novel procedures for personal identification. The present study aimed to assess differences between dental scans belonging to the same or different subjects, through an innovative 3D-3D superimposition and registration method. Twelve subjects (6 males and 6 females) with pre- and post-orthodontic treatment dental casts were recruited. A 3D scan from each cast was obtained through a laser scanner and the 3D model of the upper first and Second Molar on the post-treatment cast was superimposed on the pre-treatment scan, for a total of 12 matches and 100 mismatches. Point-to-point RMS (root mean square) distance was then calculated. Student’s t test verified possible statistically significant differences according to group (matches/mismatches; p < 0.05). In case of matches, on average the point-to-point distance RMS was 0.29 mm (SD: 0.08 mm), while it was 0.94 mm (SD: 0.30 mm) for mismatches, with a statistically significant difference (p < 0.001). Results show that the novel procedure was able to distinguish matches from mismatches through an RMS threshold (0.50 mm): a possible method for personal identification is described, which needs to be verified through the application to a larger sample of casts.
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Quantification of odontological differences of the upper first and Second Molar by 3D-3D superimposition : a novel method to assess anatomical matches
'Springer Science and Business Media LLC', 2019Co-Authors: Daniele Gibelli, D De Angelis, Francesco Riboli, Claudia Dolci, C Cattaneo, Chiarella SforzaAbstract:PURPOSE: The introduction of modern 3D image acquisition systems has enabled researchers to develop novel procedures for personal identification. The present study aimed to assess differences between dental scans belonging to the same or different subjects, through an innovative 3D-3D superimposition and registration method. METHODS: Twelve subjects (6 males and 6 females) with pre- and post-orthodontic treatment dental casts were recruited. A 3D scan from each cast was obtained through a laser scanner and the 3D model of the upper first and Second Molar on the post-treatment cast was superimposed on the pre-treatment scan, for a total of 12 matches and 100 mismatches. Point-to-point RMS (root mean square) distance was then calculated. Student's t test verified possible statistically significant differences according to group (matches/mismatches; p\u2009<\u20090.05). RESULTS: In case of matches, on average the point-to-point distance RMS was 0.29 mm (SD: 0.08 mm), while it was 0.94 mm (SD: 0.30 mm) for mismatches, with a statistically significant difference (p\u2009<\u20090.001). CONCLUSIONS: Results show that the novel procedure was able to distinguish matches from mismatches through an RMS threshold (0.50 mm): a possible method for personal identification is described, which needs to be verified through the application to a larger sample of casts
Fraser Mcdonald - One of the best experts on this subject based on the ideXlab platform.
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the mesially impacted mandibular third Molar the incidence and consequences of distal cervical caries in the mandibular Second Molar
Surgeon-journal of The Royal Colleges of Surgeons of Edinburgh and Ireland, 2016Co-Authors: Louis Mcardle, Judith Jones, Nishma Patel, Fraser McdonaldAbstract:Abstract Aims Distal Cervical Caries (DCC) of the mandibular Second Molar (Md2M) is primarily related to retained mesially impacted third Molars (Md3M). Treatment of this condition indicates the removal of the Md3M and the restoration of the Md2M and, on occasions, the loss of the Md2M. The aim of this study was to determine the incidence, treatment outcomes for patients, and calculate costs related to Md2M DCC. Methods A review of 121 patients who had Md3M removed due to Md2M DCC was undertaken to determine the treatment outcomes for patients. The number of patients affected by DCC of Md2M was calculated from the incidence of DCC (15%) in a cohort of patients requiring Md3M removal (1100) and the annual number of patients undergoing third Molar surgery in England. Direct costs were calculated using NHS and independent treatment tariffs and indirect costs from Office of National Statistics (ONS). Results It is estimated that 152,000 patients in England undergo third Molar removal on an annual basis. Approximately 27,000 Md3M are removed annually due to DCC of the Md2M; costing £27 m to treat with additional costs of £28 m if dental implant replacement of the Md2M is included. Total cost for treating Md2M DCC: £55 m/annum. Conclusions Treating Md2M DCC and its consequences is expensive for healthcare funders such as the NHS and for patients. Md2M DCC is avoidable if patients who are at risk have prophylactic Md3M removal. This would offer potential and substantial savings in the financial cost of treating an otherwise avoidable disease.
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distal cervical caries in the mandibular Second Molar an indication for the prophylactic removal of third Molar teeth update
British Journal of Oral & Maxillofacial Surgery, 2014Co-Authors: Louis Mcardle, Fraser Mcdonald, Judith JonesAbstract:In 2005 we reported the clinical findings of 100 patients who had mandibular third Molars removed because of distal cervical caries in the mandibular Second Molar. The aim of this follow-up study was to find out whether the findings in a new group of patients corroborate those of our previous study. We report on the clinical features of 239 patients (mean (SD) age 32.1 (7.85) years, range 20-65) who had 288 mandibular third Molars removed because of distal cervical caries in the Second Molar. Patients had better dental health than average, and 67% had a DMF (decayed, missing, or filled) score of 5 or less. In 89% of third Molars the mesial angulation was between 40° and 80°. Distal cervical caries in Second Molars is a late complication of third Molar retention. The prophylactic removal of a partially erupted mesioangular third Molar will prevent distal cervical caries forming in the Second Molar tooth.
