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Issue: Volume 42 Number 9 - November 2015

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P801  Guest Editorial:  Minamata: two years on by FJT Burke

Not many clinicians in the UK will have missed the publicity surrounding the Minamata Agreement, which was signed by the UK and over one hundred countries from all over the world in October 2013. This was a far reaching agreement to limit the use of mercury from all sources, including LED light...  Read more

Articles

P802  Cariology:  Infected Dentine Revisited by E Kidd, O Fejerskov, B Nyvad

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Dentine becomes infected as a result of caries lesion formation on root surfaces and when lesions progress following cavitation of enamel lesions. However, this infection is unimportant because the driving force for lesion formation and progression is the overlying biofilm. This explains why root...  Read more

P810  Endodontics:  Modern Endodontic Principles Part 3: Preparation by J Darcey, C Taylor, R Vahid Roudsari, S Jawad, M Hunter

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The purpose of instrumentation is to facilitate irrigation and allow controlled obturation. This article will revisit methods of instrumentation of the root canal system with consideration given to length determination, apical preparation and the concept of patency filing. It will discuss hand...  Read more

P824  Oral surgery:  Coronectomy; Good or Bad? by H Sarwar, S Mahmood-Rao

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The removal of mandibular third molars can be complicated by injury to the inferior alveolar nerve (IAN). Coronectomy retains the tooth root; this method has been found to be preferable to extraction in the context of mandibular third molars. A failed coronectomy may cause mobilization of these...  Read more

P829  Restorative dentistry:  Dental Materials: What Goes Where? Class V Restorations by FJT Burke

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A large number of Class V restorations are placed per annum to restore cervical lesions. This paper evaluates the pathogenesis of these lesions, with particular reference to the role of occlusal factors, and reviews the literature in order to provide advice on the material(s) which are most likely...  Read more

P840  Oral surgery:  A New Generation of Antiplatelet and Anticoagulant Medication and the Implications for the Dental Surgeon by S Johnston

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The management of dental patients taking either antiplatelet medication, anticoagulant medication or both has been well established in the previous literature. Recently, new generations of drugs have emerged which are becoming increasingly common, including direct thrombin inhibitors, factor X...  Read more

P855  Book Review:  Book Reviews by P David Ricketts, P Weston

The first edition of this text book was published back in 2003, since then it has been like a chameleon, changing its cover colour from the original blue/purple, to fuchsia pink (second edition published 2008) and now, in this 2015 third edition, to canary yellow. Colour is not the only thing that...  Read more

P856  Oral surgery:  Pain Part 5b: Non-Odontogenic Dysfunctional Pain by T Renton, O Egbuniwe

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Orofacial chronic pain provides a significant challenge to all clinicians and the patients seeking treatment for it. Due to the anatomical and regional complexities, diagnosis can be extremely difficult, and due to the lack of cross specialty training, patients will undergo a variety of treatment...  Read more

P866  Oral medicine:  Mouth Cancer for Clinicians Part 6: Potentially Malignant Disorders by N Kalavrezos, P Crispian Scully

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A MEDLINE search early in 2015 revealed more than 250,000 papers on head and neck cancer; over 100,000 on oral cancer; and over 60,000 on mouth cancer. Not all publications contain robust evidence. We endeavour to encapsulate the most important of the latest information and advances now employed in...  Read more

P878  Oral and Maxillofacial Surgery:  Periodontal Disease, Dental Implants, Extractions and Medications Related to Osteonecrosis of the Jaws by NP Shah, H Katsarelis, M Pazianas, DK Dhariwal

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Patients taking bisphosphonates and other anti-resorptive drugs are likely to attend general dental practice. The term ‘bisphosphonate’ is often immediately associated with osteonecrosis of the jaws (ONJ). Risk assessment and subsequent management of these patients should be carried out taking into...  Read more

P890  Clinical Challenges Q&A:  Clinical Challenges Q&A 15. Brown Discoloration of Permanent Dentition by P Crispian Scully, D Dimitrios Malamos

A 46-year-old male presented complaining about the discoloration of his teeth. Brown stains had been present earlier in life, in his primary dentition, and in the dentitions of other relatives and several residents of his town. Apart from joint stiffness and back pain, possibly due to his heavy...  Read more

P892  Technique Tips:  Technique Tips – A Direct Wax-up Technique for an Immediate Provisional Crown by S Campbell, M Brennand Roper

The transitory function of provisional crowns means that these restorations are frequently fabricated directly in the mouth using comparatively inexpensive procedures. Many operators will use an alginate or silicone impression of the tooth to be prepared to produce a provisional crown that...  Read more

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