This summary is based on the article published in Materials Letters: New approach to determine the morphological and structural changes in the enamel as consequence of dental bleaching (February 2015) I. Izquierdo-Barba, C. Torres-Rodríguez, E. Matesanz, M. Vallet-Regí Context Dental bleaching is commonly carried out to correct discolouration of anterior teeth. Most bleaching agents are strong oxidizing agents and the most popular bleaching agent includes hydrogen peroxide (1). Although this bleaching agent is highly effective in lightening tooth colour, concerns have been expressed regarding to associated post-bleaching complications including alteration in the surface morphology of enamel ...Read More »
What is the incidence of pain and analgesic use following restorative and surgical procedures in children and adolescents?
This summary is based on the article published in Pediatric Dentistry: Discomfort Following Dental Procedures for Children (January/February 2013) Nicole M. Staman, DDS • Janice A. Townsend, DDS, MS • Joseph L. Hagan, ScD Context Pain has been undertreated across all age groups due to misunderstandings about analgesic use, concerns over addiction, and the mistaken belief that children do not perceive pain.3 Although numerous studies evaluating dental pain in adults appear in the dental literature, there are relatively few studies in children. Practitioners may not consider pain relief necessary for pediatric patients, as the procedures are routine and not perceived ...Read More »
This summary is based on the Cochrane Oral Health Group review: Orthodontic treatment for prominent upper front teeth (Class II malocclusion) in children (November 2013) Badri Thiruvenkatachari, Jayne E Harrison, Helen V Worthington, Kevin D O’Brien Context Prominent upper front teeth are a common problem affecting about a quarter of 12-year old children in the UK. The correction of this condition is one of the most common treatments performed by orthodontists. This condition develops when the child’s permanent teeth erupt and children are often referred to an orthodontist for treatment with dental braces to reduce the prominence of the teeth. ...Read More »
This summary is based on the article published in the New England Journal of Medicine: Cystine versus Nicotine for Smoking Cessation (December 2014) Natalie Walker, Ph.D., Colin Howe, Ph.D., Marewa Glover, Ph.D., Hayden McRobbie, M.B., Ch.B., Ph.D., Joanne Barnes, Ph.D., Vili Nosa, Ph.D., Varsha Parag, M.Sc., Bruce Bassett, B.A., and Christopher Bullen, M.B., Ch.B., Ph.D. Context Placebo-controlled trials indicate that cytisine, a partial agonist that binds the nicotinic acetylcholine receptor and is used for smoking cessation, almost doubles the chances of quitting at 6 months. Cytisine is a plant-based alkaloid found in members of the Leguminosae family.1, 2 Cytisine is a ...Read More »
What are the current standards for treatment of permanent teeth that have had trauma and require apexification?
This question was submitted by a general dentist: What are the current standards for treatment of permanent teeth that have had trauma and require apexification? Drs. Michael Casas and Suham Alexander provided this quick initial response. Dr. Michael Casas is Associate Professor in the Faculty of Dentistry at the University of Toronto and Director of Dentistry Clinics at SickKids Hospital. Traumatic dental injuries account for approximately 5% of the dental treatment sought by patients. They can be challenging for clinicians as proper diagnosis, treatment and follow-up are essential in leading to a favourable outcome. Apexification is the process of inducing apical root closure in a ...Read More »
This summary is based on the Cochrane Oral Health Group review: Orthodontic treatment for posterior crossbites (August 2014) Paola Agostino, Alessandro Ugolini, Alessio Signori, Armando Silvestrini-Biavati, Jayne E Harrison, Philip Riley Context A posterior crossbite occurs when the top back teeth bite inside the bottom back teeth. It occurs when the top teeth or jaw are narrower than the bottom teeth and can happen on one or both sides of the mouth. The condition affects between 1% and 16% of children who only have their baby teeth. Most posterior crossbites (50% to 90%) remain even when the permanent teeth ...Read More »
The management of this case is provided by Dr. Mary Dabuleanu from Dabuleanu Dental A CDA Oasis Case Conferences is a two-part presentation of a clinical case. In Part 1, we invite you to watch the short video of the case and provide comments about a possible diagnosis and treatment. You will also have the opportunity of submitting any questions you might have related to the case*. In Part 2, the case presenter shows how the case was managed and answers key questions. * When you submit comments and questions in conjunction with Part 1 of the case conference, they do not go live on the ...Read More »
This summary is based on the article published in the Journal of Endodontics: Treatment Outcome in Endodontics: The Toronto Study—Phases 3 and 4: Orthograde Retreatment Cristian de Chevigny, DMD, MSc, Thuan T. Dao, DMD, MSc, PhD, Bettina R. Basrani, DDS, PhD, Vincent Marquis, DMD, MSc, Mahsa Farzaneh, DDS, MSc, Sarah Abitbol, DDS, MSc, and Shimon Friedman, DMD This study is a reference to the Oasis Case Conference with Dr. Mary Dabuleanu Context The Toronto Study Project was established in 1993, with the intention to augment the evidence supporting endodontic treatment by prospectively investigating the 4- to 6-year outcome of treatment ...Read More »