Accuracy of laser fluorescence in assessment of various caries removal techniques: an in vitro validation.

Background: This study aimed to evaluate the accuracy of laser fluorescence (LF) readings in detection of caries removal by various techniques (CRTs).

Methods: A hundred and eighty extracted human molar teeth included in the study which were scored 3, 4, and 5 according to ICDAS. Each score group was randomly assigned to 4 subgroups according to CRT including ceramic bur (Group A), carbide bur (Group B), carbide bur with alumina abrasion (Group C), and carbide bur with bioactive glass (BAG) abrasion (Group D) (n = 15 for each group).

Assessment of a highly-filled flowable composite for the repair of indirect composites.

Purpose: To compare the shear-bond-strength (SBS) of a highly-filled-flowable composite (HFFC) and a paste-type composite for indirect composite repair and to evaluate the effect of different surface treatments (ST), concerning the composite repair protocol.

Methods: Eighty-four 5 × 5 × 2 mm cylindrical specimens were prepared using Gradia Plus and SR Nexco indirect composite materials. The samples were thermocycled 5,000 times.

Clinical assessment of various imaging systems for dental plaque scoring after the use of 3 different toothpastes.

Purpose: This study was conducted to compare dental plaque scores obtained through clinical examinations and various imaging techniques, as well as to assess the effectiveness of herbal and conventional toothpastes for plaque removal.

Material And Methods: Thirty volunteers were divided into 3 groups. Each group was given a different toothpaste (from 2 herbal toothpastes and a conventional toothpaste) with which to brush their teeth for 21 days.

Do Ginger Extract, Natural Honey and Bitter Chocolate Remineralize Enamel Surface as Fluoride Toothpastes? An Study.

Background: In recent literatures, much attention has been given to natural products for their health benefits.

Aims: In this study, the objective was to measure the efficacy of the ginger-honey-chocolate mixture as the remineralization effect has been shown in the literature previously and to evaluate the individual contributions of this mixture; ginger, natural honey, bitter chocolate separately on remineralization of initial enamel caries lesion.

Materials And Methods: All specimens were divided into eight groups as: Ginger (Arifoglu®, Turkey) in powder form, (n = 8); Ginger-Honey-Chocolate (n = 8); Natural honey (Balparmak Plateau Blossom Honey®, Turkey) (n = 9); Bitter chocolate (Nestlé®, Switzerland) (n = 8); MI Paste (GC, Japan) (n = 8); Paradontax (Sensodyne, Glaxosmithklein, USA) (n = 9); Pronamel (Sensodyne, Glaxosmithklein, USA) (n = 9); Control (n = 9) groups.

Clinical Quantitative Evaluation of Tooth Wear: A 4-year Longitudinal Study.

Purpose: This study investigated the progression of incisal tooth wear clinically for 4-years, using various diagnostic methods. Effectiveness of occlusal splints (night guards) for patients with nocturnal bruxism was also evaluated.

Materials And Methods: Forty maxillary incisors from 10 patients with nocturnal bruxism were selected.

Diagnostic Performance of ICDAS II, FluoreCam and Ultrasound for Flat Surface Caries with Different Depths.

The use of ultrasound for the diagnosis of natural caries lesions with different depths on flat surfaces of permanent molar teeth was studied. A total of 200 freshly extracted permanent molar teeth with natural caries lesions were included. After evaluation with International Caries and Detection Assessment System II (ICDAS II), mineral loss and lesions in the teeth were detected with a fluorescence device, FluoreCam and lesion depths were measured using ultrasound.

A novel quantitative light-induced fluorescence device for monitoring molar-incisor hypomineralization.

Background: The FluoreCam system is based on an innovative approach to the quantification of enamel health termed fluorescence enamel imaging (FEI). Enamel is both highly mineralized and semi-translucent. Because of its mineral composition, enamel will fluoresce when exposed to certain light wavelengths.

Direct Midline Diastema Closure with Composite Layering Technique: A One-Year Follow-Up.

Objective. Maxillary anterior spacing is a common aesthetic complaint of patients. Midline diastema has a multifactorial etiology such as labial frenulum, microdontia, mesiodens, peg-shaped lateral incisors, agenesis, cysts, habits such as finger sucking, tongue thrusting, or lip sucking, dental malformations, genetics, proclinations, dental-skeletal discrepancies, and imperfect coalescence of interdental septum.

Direct composite laminate veneers: three case reports.

Re-establishing a patient's lost dental esthetic appearance is one of the most important topics for contemporary dentistry. New treatment materials and methods have been coming on the scene, day by day, in order to achieve such an aim. Most dentists prefer more conservative and aesthetic approaches, such as direct and indirect laminate veneer restorations, instead of full-ceramic crowns for anteriors where aesthetics is really important.

Clinical evaluation of a gingiva-coloured material, Comp Natur: a 3-year longitudinal study.

Objective: To report on a three-year clinical evaluation of the gingiva-coloured compomer (Comp Natur, Voco, Germany).

Methods: Twelve patients with cervical lesions as a result of either gingival recession or worn root dentine were included in this study. In total, 106 restorations were evaluated by two examiners at baseline, 6-month and 3-year recalls.

Clinical evaluation of demineralization and remineralization of intact root surface lesions in the clinic by a quantitative light-induced fluorescence system.

Detection of demineralization of root surface caries is an important issue since preventive approaches prolong tooth life. Quantitative light-induced fluorescence (QLF) has been shown to be useful for the laboratory assessment of demineralization of root surfaces. The aim of this study was to determine the demineralization and remineralization of root surface intact and cavitated caries lesions using a QLF system as a nondestructive in vivo method.

Caries detection with DIAGNOdent and ultrasound.

Objective: The objective of this study was to evaluate the repeatability of 2 nondestructive caries detection methods, ultrasound (ULS) and DIAGNOdent, for the detection of approximal caries lesions, and to evaluate 2 tips provided for the DIAGNOdent.

Study Design: White/brown-spot lesions (n = 42) were captured by a digital camera, and measured by test methods and confocal laser scanning microscope (CLSM). Intra- and inter-observer reliability, accuracy, and Cohen's kappa and Spearman's rho statistics were used.

Accuracy of ultrasound measurement of progressive change in occlusal enamel thickness.

Objective: To evaluate the effectiveness of ultrasound on measuring the thickness of enamel in abrasion.

Study Design: Flat areas on occlusal surfaces of 20 premolar teeth were marked. Two initial ultrasonic measurements on marked areas were obtained by the first researcher.

Selected characteristics of an Ormocer and a conventional hybrid resin composite.

Objectives: The objective of this in vitro study was to evaluate surface roughness, hardness and wear resistance of an Ormocer (Admira), polymerized by a plasma arc system. A secondary objective was to investigate two placement technique bulk or incremental layers.

Methods: Blocks from Admira and Amelogen (a microhybrid composite) were prepared in cylinders, 3 mm in diameter, and 2 and 5 mm in thickness (bulk or incrementally placed) and polymerized by a plasma arc and a conventional light system.

Smooth coronal surface, resin restoration and microleakage.

The space between the resin and the cavity walls has always become interesting to search. The aim of this study was to evaluate any differences on leakage values of Class 5 type resin restorations prepared on surrounding surfaces of the tooth crown. Ninety human teeth were prepared as Class 5 cavities on buccal, lingual, mesial and distal surfaces and were randomly divided into groups for bevelling, groove preparation and as control.

The effect of a varnish with fluoride on the hardness of the exposed human dentine tissue.

The aim of this study was to evaluate the effect of a new varnish with fluoride, Fluoridin N-5, on the exposed dentine tissue in situ. Human incisors which were mounted into intra-oral devices were worn by six volunteers and the test materials were applied three times a day for fourteen days. Three different materials were used as three test groups: Novalite, Fluoridin gel N-5 and Amalgam liner.

Endodontic treatment of a fused maxillary lateral incisor.

A case report of endodontic treatment of a maxillary lateral incisor that fused with a supernumerary tooth is presented. The fused maxillary lateral incisor was in supraposition on the maxillary dental arch and required orthodontic treatment. The fused tooth was prepared for endodontic therapy.

Root canal morphology of mandibular incisors.

In this study, 100 mandibular central and lateral incisors were used to determine the number of root canals and their types, the ramifications of the root canal, the location of apical foramina, and the frequency of apical deltas. The teeth were immersed in India ink, decalcified, and cleared. The examination of root canal systems of the teeth was based on Vertucci's classification.

Evaluation of the variation in chemical composition and surface topography of different brands of gutta percha cones.

There have been many studies on the gutta percha cones used in endodontic therapy. Variations exist between different brands of cone. Since an appropriate cone plays a very important role in the prognosis of therapy, this study examined the surface topography and chemical composition of eight different brands of cone by, a scanning electron microscopy (SEM) and atomic absorption spectrometry.

The incidence of mandibular premolars with more than one root canal in a Turkish population.

One hundred and eighty seven mandibular premolars taken from a Turkish population were examined in this study. The teeth were soaked in India ink and then decalcified, cleared and used in an in vitro study to determine the number of root canals and their types, the ramifications of root canals, the location of apical foraminae and the frequency of apical deltas. It was found that the incidence of more than one canal in mandibular premolars was 27.

Comparison of microleakage between direct placement technics and direct inlay technics.

Laboratory studies have indicated that improvements in the physical properties of composite restorations, especially for posterior teeth, may be obtained if these materials underwent heat treatment prior to insertion. The purpose of this study was to compare the microleakage in Class II restorations ending on cementum/dentine when these preparations were restored by a direct placement composite resin as opposed to a direct inlay composite resin. Thirty-six human posterior mandibular teeth were used in this study and randomly divided into three equal groups; Group I was prepared and restored with the composite Ful-fil in a direct placement technique.