Evaluation of nasal septal deviation and maxillary bone and nasal airway dimensions and volumes using cone-beam computed tomography in patients with unilateral palatal canine displacement: a retrospective study.

Objectives: To detect any association between palatally displaced canine (PDC) and nasal septal deviation (NSD), palatal bone thickness and volume, and nasal airway dimensions and volume.

Materials And Methods: A total of 92 patients were included and subdivided into two groups: group 1, unilateral PDCs (44 patients), and group 2, normally erupted canines (NDCs) (48 subjects). The following variables were measured using cone-beam computed tomography: presence and type of NSD, nasal width, inferior conchae, hard palate and nasal septum thickness, maxillary bone and nasal airway volumes.

Evaluation of maxillary sinus dimensions and volume using cone beam computed tomography in patients with unilaterally displaced palatal and buccal maxillary canines.

Objectives: To evaluate and compare the maxillary sinus (MS) dimensions and volume in unilaterally displaced palatal and buccal maxillary canines.

Methods: CBCT images for 133 patients were included in the study. Maxillary canines were unilaterally displaced palatally in 83 patients (PDCs) and buccally in 50 patients(BDCs).

Smile microesthetics as perceived by dental professionals and laypersons.

Objectives: To evaluate and compare the perception of different dental professionals and laypersons toward altered gingival characteristics (microesthetics) and to identify those characteristics that are most negatively and positively rated.

Materials And Methods: A smiling photograph of a female dental student was selected and digitally manipulated to create changes in different microesthetic parameters. These altered images were rated by the following five groups: 120 orthodontists, 45 periodontists, 49 prosthodontists, 130 general dentists, and 172 laypersons.

Bite force changes after surgical correction of mandibular prognathism in subjects with increased vertical dimension : A prospective clinical trial.

Purpose: Occlusal bite force (OBF) is the most important parameter in assessing biting efficiency. The aim of this study was to record OBF changes after surgical correction of high angle maxillary/mandibular (Max/Mand) class III patients and to compare these with that recorded in class III patients with average Max/Mand angle.

Materials And Methods: Initially included were 42 patients with severe class III skeletal malocclusion who were scheduled for orthodontic surgery: group 1-22 patients with increased vertical relationship scheduled for bimaxillary surgery; group 2-20 patients with average vertical relationship scheduled for mandibular setback only.

Surface Roughness of Monolithic and Layered Zirconia Restorations at Different Stages of Finishing and Polishing: An In Vitro Study.

Purpose: To evaluate surface roughness and topography of different zirconia-based restorations at various steps of finishing and polishing.

Materials And Methods: Seventy-five zirconia discs were fabricated and divided into 3 layered and 2 monolithic groups: layered conventional (VM9; Vita), layered pressed (PM9; Vita), layered digital (TriLuxe Forte; Vita), opaque monolithic (Ceramill Zi; Amann Girrbach), and translucent monolithic (Zolid FX; Amann Girrbach). Surface roughness testing (Ra, Rz) and scanning electron microscopy were performed at the glazed, unglazed, finished, polished, super-polished, and super-polished with diamond paste steps.

Improved Construction of Auricular Prosthesis by Digital Technologies.

Implant-retained auricular prostheses are a successful prosthetic treatment option for patients who are missing their ear(s) due to trauma, oncology, or birth defects. The prosthetic ear is aesthetically pleasing, composed of natural looking anatomical contours, shape, and texture along with good color that blends with surrounding existing skin. These outcomes can be optimized by the integration of digital technologies in the construction process.

Factors affecting the shear bond strength of metal and ceramic brackets bonded to different ceramic surfaces.

The aims of this study were to evaluate the shear bond strength (SBS) of metal and ceramic brackets bonded to two different all-ceramic crowns, IPS Empress 2 and In-Ceram Alumina, to compare the SBS between hydrofluoric acid (HFA), phosphoric acid etched, and sandblasted, non-etched all-ceramic surfaces. Ninety-six all-ceramic crowns were fabricated resembling a maxillary left first premolar. The crowns were divided into eight groups: (1) metal brackets bonded to sandblasted 9.

Parallelism of abutment teeth on fixed partial dentures.

A total of 100 working dies for fixed partial denture (FPD) abutments were prepared to fit 50 three-unit fixed-fixed conventional FPDs. For each FPD, the axial convergence angles between the mesial and distal axial walls of the abutment teeth were measured. For all FPDs, there were no statistically significant differences between the mesial and distal convergence angles of abutment teeth measured, regardless of their location within the oral cavity.

Fracture resistance of aluminium oxide and lithium disilicate-based crowns using different luting cements: an in vitro study.

Aim: The aim of this study was to investigate the fracture resistance of two types of ceramic crowns cemented with two different cements.

Methods And Materials: Forty premolar crowns were fabricated using lithium-disilicate (IPS Empress-2) and glass-infiltrated aluminium-oxide (In-Ceram) ceramic systems. The crowns were divided into four groups (n=10) with Group 1 (IPS Empress-2) and Group 2 (In-Ceram) cemented with glass ionomer cement.

Fracture resistance of teeth restored with different post systems: in vitro study.

Objectives: The objective of this study was to investigate fracture resistance and mode of failure of teeth restored with different prefabricated post systems.

Study Design: Thirty teeth were collected, sectioned 15 mm from the apex, root canal prepared, and randomly allocated into 3 groups as follows: glass fiber posts (group 1), carbon fiber posts (group 2), and Radix-Anchor titanium posts (group 3). Teeth were then restored with a composite core and tested using a universal testing machine at 10 mm/min cross-head speed.

Shear bond strength of orthodontic brackets bonded to different ceramic surfaces.

This study was undertaken to measure the shear bond strength (SBS) of stainless steel brackets bonded to different ceramic surfaces, to compare the SBS of the different ceramics with each other and with conventional ceramo-metal porcelains, and to determine the mode of failure for each group following debonding. A total of 60 ceramic crowns were constructed on extracted teeth and divided into three equal groups as follows: In-Ceram ceramic crowns, IPS-Impress ceramic crowns, and conventional ceramo-metal porcelain. Standard edgewise metal premolar brackets were bonded to the prepared porcelain surfaces.

Relationship between tooth irregularity and periodontal disease in children with regular dental visits.

Objectives: The aim of this study was to investigate any association between irregular teeth and periodontal breakdown among children who attend dental clinics regularly.

Methods: The subjects were 80 children (39 females and 41 males) with a mean age of 12.38 +/- 0.

Psychological impact on implant patients' oral health-related quality of life.

Objectives: The literature has shown that patients' satisfaction with dental prostheses is associated with the existence of certain personality profiles. It is important to study such relationships in dental implant patients.

Material And Methods: Fifty patients (28 men and 22 women), aged between 22 and 71 years (mean age 43.

Oral health attitudes, knowledge, and behavior among school children in North Jordan.

The aim of this study was to assess the knowledge, attitude, and behavior of school children towards oral health and dental care as well as to evaluate the factors that determine these variables. School children (n=557) of an average age of 13.5 years attending public schools in North Jordan were recruited into this study.

Differences in self-reported oral health behavior between dental students and dental technology/dental hygiene students in Jordan.

The aim of this study was to compare differences in oral health behavior between dental students and dental technology/dental hygiene students in Jordan. One hundred and five dental students and seventy-eight dental technology/dental hygiene students were recruited into this study. All subjects were recruited from the students who were receiving training at the clinics and laboratories that belong to the Faculty of Dentistry, Jordan University of Science and Technology.

Evaluation of shear bond strength with different enamel pre-treatments.

The purpose of this study was to investigate the shear bond strengths of two adhesives, Panavia-21 and a composite resin (Transbond XT), with different enamel pre-treatments, acid etching (37 per cent phosphoric acid) and grit blasting (50 microm aluminium oxide particles). The mode of bond failure was also assessed using the modified adhesive remnant index (ARI). Ninety freshly extracted non-carious human premolar teeth were randomly divided into the following groups: (1) Transbond XT, acid-etched enamel surface; (2) Panavia-21, acid-etched enamel surface; (3) Transbond XT, grit-blasted enamel surface; (4) Panavia-21, grit-blasted enamel surface; (5) Transbond XT, acid-etched enamel surface with grit-blasted brackets; (6) Panavia-21, acid-etched enamel surface with grit-blasted brackets.

Convergence angle, occlusal reduction, and finish line depth of full-crown preparations made by dental students.

Objective: To measure the convergence angle, incisal/occlusal clearance, and finish line depth, which indicate the amount of axial reduction of full metal-ceramic crown preparations made by final-year dental students.

Method And Materials: A total of 157 preparations were assessed. Convergence angle and finish line depths were measured by Tool Maker Microscope, while crown height was measured using a digital caliber.

Uvulo-glosso-pharyngeal dimensions in subjects with beta-thalassaemia major.

The purpose of this study was to investigate cephalometrically the uvulo-glosso-pharyngeal dimensions in subjects with beta-thalassaemia major. The subjects were 15 thalassaemic patients (eight males, seven females) with a mean age of 14.13 +/- 1.

Dental diseases in subjects with beta-thalassemia major.

Objectives: The aim of this study was to determine whether beta-thalassemia major is associated with an increase in the severity of periodontal disease and dental caries.

Methods: A total of 61 thalassemia patients and 63 healthy controls (age range = 6-18 years) were examined for plaque deposits, gingivitis, periodontitis and dental caries using Silness and Löe plaque index (Pl.I), Löe and Silness gingival index (GI), probing pocket depth (PPD) and DMFT, respectively.