Outcome Assessment of Teeth with Necrotic Pulps and Apical Periodontitis Treated with Long-term Calcium Hydroxide.

Introduction: The aim of this retrospective, cohort case series was 2-fold: (1) to evaluate the outcomes of teeth with necrotic pulps and apical periodontitis using long-term calcium hydroxide (Ca[OH]) (healing was assessed via the periapical index [PAI] system) and (2) to explore the possible association of fractures in relation to long term Ca(OH) exposure.

Methods: A total of 242 cases, diagnosed with pulpal necrosis and apical periodontitis, were treated with long-term Ca(OH) using a standardized protocol. Injectable and powdered Ca(OH) were placed sequentially in the root canal system.

Periapical Microsurgery: Assessment of Different Types of Light-emitting Diode Transilluminators in Detection of Dentinal Defects.

Introduction: This study evaluated 4 different light-emitting diode (LED) transilluminators and the impact of operator experience in the detection of dentinal defects through an ex vivo TRUEJAW surgical model (Dental Engineering Laboratories, Santa Barbara, CA).

Methods: Forty-four extracted and endodontically treated mandibular premolar teeth were evaluated. Teeth were mounted in the models followed by surgical flaps and osteotomies to expose the apical third of the roots.

Periapical Microsurgery: Do Root Canal-retreated Teeth Have More Dentinal Defects?

Introduction: This microsurgical clinical study evaluated if teeth that have undergone endodontic retreatment are associated with more dentinal defects than primary root canal-treated teeth.

Methods: One hundred fifty-five patients who underwent periapical microsurgery treatment in a private practice setting were evaluated. The root ends were resected, and the roots were inspected for the presence of dentinal defects through the surgical operating microscope with the help of a 0.

Effects of a national economic crisis on dental habits and checkup behaviors - a prospective cohort study.

Objectives: The effects of economic recessions on dental health behaviors and care utilization are vastly unexamined. Thus, we aimed to ascertain changes in dental health behaviors and checkup frequency from before to after the start of the 2008 Icelandic economic collapse using a nationally representative, prospective cohort - the Health and Wellbeing in Iceland cohort.

Methods: Participants in the cohort (n = 4100) were contacted first from October to December of 2007 and again from November to December of 2009.

Prevalence of dental erosion in children: a national survey.

Objectives: To measure the prevalence of dental erosion in permanent teeth in Iceland as part of the National Oral Health Survey.

Methods: A representative, nationwide sample of 2251 Icelandic children, 20% of those aged 6, 12 and 15 year, was examined. Dental erosion was recorded for all erupted permanent teeth and graded using the modified scale of Lussi.

Caries prevalence of permanent teeth: a national survey of children in Iceland using ICDAS.

Objectives: The Icelandic Oral Health Survey aimed to obtain new national data on the oral health of Icelandic children and teenagers.

Methods: A representative stratified random cluster sample of 2251 Icelandic children in first, seventh and 10th grade, aged approximately 6-, 12- and 15-years old was examined for caries prevalence using the ICDAS criteria. Bite-wing digital radiographs were obtained for the children in 7th and 10th grade.

Dental health of patients with Parkinson's disease in Iceland.

The oral and dental health of patients with Parkinson's disease (PD) has not been well documented and the findings are conflicting. Patients with PD were invited to take part in a clinical and radiographic examination together with a comparison control group of persons who were a spouse or family member. Subjects (n = 67) and controls (n = 55) were examined and compared.

Development of occlusal traits and dental arch space from adolescence to adulthood: a 25-year follow-up study of 245 untreated subjects.

Introduction: The purpose of this study was to examine longitudinally the development of specific occlusal traits and space conditions in an Icelandic sample.

Methods: The sample comprised 245 adolescents examined clinically in the late mixed or permanent dentition and again 25 years later. All subjects were orthodontically untreated, and all had the full complement of teeth at both examinations.

Dental erosion in Icelandic teenagers in relation to dietary and lifestyle factors.

High consumption of fruit juices and carbonated drinks has been related to dental erosion. Teenage male Icelanders consume about 800 ml of carbonated drinks per day on average and this corresponds with the main age group and gender of patients seen with erosion. This study examined the prevalence of dental erosion in 15-year-old children in Reykjavík and looked at the association between erosion and some lifestyle factors in a case-control study drawn from the same sample.