Design of a Knowledge Evaluation Questionnaire for Dental Specialists on Preservation and Extraction Indications of the First Permanent Molars.

Statement Of The Problem: The first permanent molar (FPM) teeth are the most important elements of mastication and are crucial in the improvement of functionally proper occlusion. However, in childhood, these teeth are most susceptible to caries. The loss of an FPM in a child can cause changes in the dental arches.

Salivary IGF-1 and Alkaline Phosphatase-Based Modeling for Skeletal Maturity Prediction in Orthodontic Patients.

Results: A strong positive correlation was found between CA and cervical stages ( = 0.836, < 0.001).

Correlation between Skeletal Age and Metacarpal Bones and Metacarpophalangeal Joints Dimensions.

Statement Of The Problem: Currently, two major methods have been introduced for bone age assessment using left hand radiography. The first approach is Greulich and Pyle, which is very subjective. The second method is Tanner and Whitehouse, which is very time consuming and its morphological criteria are not quantitative, therefore it is hardly used.

Prevalence and Characteristics of Developmental Dental Anomalies in Iranian Orofacial Cleft Patients.

Statement Of The Problem: Individuals with oral clefts exhibit considerably more dental anomalies than individuals without clefts. These problems could initially be among the symptoms of their disease and/or they may be the side effect of their treatments. Pushback palatoplasty could cause some interference during the development of teeth and result in tooth defects.

Effect of Bionator and Farmand Appliance on the Treatment of Mandibular Deficiency in Prepubertal Stage.

Objective: The present study aimed to compare dentoskeletal changes in mandibular-deficient patients treated with Bionator and Farmand appliances.

Methods: This study included 54 subjects treated for class II division I malocclusion. All subjects fulfilled the following criteria: ANB>5°, SNB<77°, and overjet >5 mm.

A new method for calculating saddle seat height with an emphasis on optimal posture based on trigonometric relations.

Introduction: Based on the literature, the ergonomic saddle chair provides the most appropriate posture for users. Determination of the seat height is critical to establish the proper posture, carried out using various methods of anthropometry. This study aimed to develop a simple and applied method for determining the saddle seat height with an emphasis on appropriate posture.

Effect of Enamel Preparation and Light Curing Methods on Microleakage under Orthodontic Brackets.

Objectives: This study aimed to compare the microleakage beneath metallic brackets following two different methods of enamel preparation and light curing.

Materials And Methods: A total of 120 bovine deciduous lower incisors were randomly divided into four groups of 30 teeth. The preparations were as follows: Group I: Acid etching + Transbond XT primer + direct illumination, group II: acid etching + Transbond XT primer + transillumination, group III: Transbond XT self-etching primer + direct illumination and Group IV: Transbond XT self-etching primer + transillumination.

Does the Type of Maxillomandibular Deformity Influence Complication Rate in Orthognathic Surgery?

Purpose: Patients may encounter various complications during and after orthognathic surgery. The aim of this study was to compare the prevalence of complications in various skeletal deformities to see if an association exists.

Materials And Methods: This retrospective cohort study assessed patients in 2 groups.

Skeletal and dentoalveolar features in patients with deep overbite malocclusion.

Objective: An increased overbite may be due to a skeletal or dental etiology that may influence treatment. The purpose of this study was to evaluate the skeletal and dentoalveolar features in patients with deep bite malocclusion in an Iranian population and to determine the most and least effective and contributory variables causing deep bite.

Materials And Methods: Lateral cephalograms and study casts of normal (n=85) and deep bite (n=85) subjects were used to evaluate skeletal and dentoalveolar variables.

The effects of composite resin types and debonding pliers on the amount of adhesive remnants and enamel damages: a stereomicroscopic evaluation.

Background and aims. This in vitro study was designed to evaluate the effect of composite resin types and orthodontic debonding pliers on the amount of adhesive remnants and enamel damages using a novel method of measurement. Materials and methods.

The association of oral health-related quality of life and self-perceived esthetic impairment with orthodontic treatment seeking.

Aim: To assess oral health-related quality of life (OHRQOL) and self-perceived esthetic impairment in patients seeking orthodontic treatment and to compare them with peers in the same age group who had never undergone orthodontic treatment. A correlation between OHRQOL and lower self-perceived esthetic impairment was also searched for.

Methods: The sample comprised 209 individuals (12 to 20 years of age), of whom 110 were about to receive or had already started orthodontic treatment at Shiraz Dental School, Shiraz, Iran, (orthodontic group) and 99 participants who had never received orthodontic treatment (control group).

A comparison of photographic, replication and direct clinical examination methods for detecting developmental defects of enamel.

Background: Different methods have been used for detecting developmental defects of enamel (DDE). This study aimed to compare photographic and replication methods with the direct clinical examination method for detecting DDE in children's permanent incisors.

Methods: 110 8-10-year-old schoolchildren were randomly selected from an examined sample of 335 primary Shiraz school children.