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Clinical, Cosmetic and Investigational Dentistry

Kitty Jieyi Chen, Sherry Shiqian Gao, Duangporn Duangthip, Edward Chin Man Lo, Chun Hung Chu
Surveys have shown that the prevalence of early childhood caries (ECC) among 5-year-old children decreased from 63% in 1993 to 55% in 2017. Caries experience was unevenly distributed; 81% of the caries lesions were found in 26% of the children. Risk factors, including oral hygiene practice behaviors, sugar consumption, parental oral health-related knowledge, and sociodemographic backgrounds, were significantly related to ECC. Oral health promotion aimed at managing the burden of ECC has been implemented. Water fluoridation was launched in 1961, and the fluoride concentration has been adjusted to 0...
2019: Clinical, Cosmetic and Investigational Dentistry
Sagrika Shukla, Ashi Chug, Lanka Mahesh, Sandeep Singh, Kuldeep Singh
Periodontitis is the most common condition, which causes bony defects. Intrabony defects thought not as common as the horizontal bone loss pose a risk of disease progression and thus should be managed optimally; however, it does not mean all the intrabony defects can be treated and all the mobile teeth saved! But, with the advent of new biomaterials prognosis of teeth can be improved. The objective of this article is to discuss old and new concepts toward the optimal management of intrabony defects.
2019: Clinical, Cosmetic and Investigational Dentistry
Aljazi Hussain Aljabaa
Purpose: This study was designed to establish normal values for the nasal form and its relationship to the other cranial structures among male and female skeletal class I Saudi adults. The results of males and females were compared to each other and to the results of a previous study using the same analysis method. Patients and methods: Sixty-two lateral cephalometric radiographs of Saudi subjects (32 females and 30 males) were retrospectively retrieved from the orthodontic clinical data...
2019: Clinical, Cosmetic and Investigational Dentistry
Manal Rahma Alammari, Mohamed Hussein Abdelnabi, Amal Ali Swelem
Introduction: Computer-aided design (CAD) and computer-aided manufacturing (CAM) monolithic crowns are gaining momentum. Limited evidence exists about the effect of tooth preparation total occlusal convergence (TOC) on marginal and internal gap distances in addition to load to fracture values. Aim: The aim of this study was to evaluate, by microcomputed tomography (µCT), the influence of 12° and 20° TOC on marginal and internal adaptation of zirconia-reinforced lithium silicate (ZLS) crowns...
2019: Clinical, Cosmetic and Investigational Dentistry
I Gusti Aju Wahju Ardani, Ira Willyanti, Ida B Narmada
Introduction: The dentoskeletal morphology of Class II malocclusion has been analyzed in several cephalometric investigations. It is crucially important to understand the vertical components in orthodontic treatment. Defining the facial type of an individual is an essential key to obtain an accurate orthodontic diagnosis. Aim: The aim of this study was to understand the correlation of vertical components in Class II skeletal malocclusion. Materials and methods: This is a observational descriptive study...
2018: Clinical, Cosmetic and Investigational Dentistry
Renata Pereira, Maria Cecília Caldas Giorgi, Rodrigo Barros Esteves Lins, Jéssica Dias Theobaldo, Débora Alves Nunes Leite Lima, Giselle Maria Marchi, Flávio Henrique Baggio Aguiar
Purpose: This study evaluated the influence of thickness increment on degree of conversion (DC), Knoop microhardness (KHN), and polymerization-shrinkage stress (PSS) by photoelasticity of three dental composites. Methods: For DC and KHN, 45 samples were prepared and divided into nine groups (n=5), according to composite (microhybrid [Filtek Z250 - Z250], bulk-fill flowable [SureFil SDR Flow - SDR], and nanohybrid composite [N'Durance - NDU]) and increment thickness (1, 1...
2018: Clinical, Cosmetic and Investigational Dentistry
Evania Eskelsen, Anderson Catelan, Natália Maria Aparecida Pinto Hernades, Luís Eduardo Silva Soares, Andrea Nóbrega Cavalcanti, Flávio Henrique Baggio Aguiar, Priscila Christiane Suzy Liporoni
Objective: The purpose of this study was to assess the hardness, mineral content, surface roughness, and micromorphology of sound and slightly demineralized enamels, before and after bleaching procedure using 10% carbamide peroxide. Methods: Sixty bovine dental blocks were randomly divided into the following two groups: 30 slabs were submitted to three cycles of pH and 30 slabs were noncycled. Hardness (n=10) was measured using the microhardness tester with Knoop indenter under a 50 g load for 5 seconds...
2018: Clinical, Cosmetic and Investigational Dentistry
Taha Mohammed Masood, Mona Aly Abbassy, Ahmed Samir Bakry, Naof Yessen Matar, Ali Habib Hassan
Objective: The objectives of this study were to evaluate the degree of conversion (DC) for Transbond XT curing light of intensity 1,600 mW/cm2 by using variable curing durations and to determine the effect of the tested curing durations adopted in the current experiment on shear bond strength of Transbond XT resin cement. Materials and methods: A total of 85 orthodontic ceramic brackets (Victory series; 3M Unitek) were utilized in the current experiment. The bonding system used in the current study was Transbond XT Primer followed by Transbond PLUS Color Change Adhesive (3M Unitek) that cured for 3, 6, and 9 seconds...
2018: Clinical, Cosmetic and Investigational Dentistry
Neha Mishra, Sourav Kumar Rout
Fibrous dysplasia is a benign fibro-osseous disease of the bone, which is most commonly associated with congenital mutations in cAMP regulating protein Gsα coded by GNAS-1 gene. Often it is seen involving the craniofacial skeleton and can range from an asymptomatic monostotic form to polyostotic variant involving almost all the bones of the skull, thereby leading to functional and esthetic problems. This requires a continuous monitoring of the involved region throughout the life of the patient, even after the surgical interventions...
2018: Clinical, Cosmetic and Investigational Dentistry
Noor Al Mortadi, Omar F Khabour, Karem H Alzoubi
Background: Research that involves dental pulp stem cells (DPSCs) is growing rapidly. DPSCs can be used for the treatment of craniofacial bone abnormalities and tooth repair. The procedure requires a donation of sound teeth, which might be associated with ethical and moral issues. The purpose of this study was to understand the attitudes and awareness of patients with respect to the donation of their teeth to research. Patients and methods: This study involved 500 patients recruited from Dental Care and Dental Teaching Center in Irbid during May 2017-July 2017...
2018: Clinical, Cosmetic and Investigational Dentistry
Johann Lechner, Tatjana Rudi, Volker von Baehr
Background: The immune and bone systems are closely linked via cytokine cross-talk. This interdisciplinary field of research is referred to as osteoimmunology and pertains to inflammatory and osteoarticular diseases that feature the primary expression of tumor necrosis factor-alpha (TNF-α) and IL-6. Objective: Are there bone resorptive processes wherein chronic inflammatory conditions are not linked to TNF-α and IL-6 expression, but rather to the expression of other cytokines? Materials and methods: A comprehensive literature search was performed in PubMed Central...
2018: Clinical, Cosmetic and Investigational Dentistry
Mohammed Jasim Al-Juboori, Mohammed Ahmed Al-Attas, Luiz Carlos Magno Filho
An oroantral fistula is a complication of the maxillary posterior teeth that can occur after a tooth extraction that affects the maxillary sinus. Improper management may lead to a persistent fistula, which may become chronic. In this case report, platelet-rich fibrin (PRF) was used with a collagen membrane to close a chronic fistula in a single patient. A flap was raised, the oroantral fistula tract was eliminated, and the opening was closed with a resorbable membrane as a first layer and covered with a PRF clot as a second layer...
2018: Clinical, Cosmetic and Investigational Dentistry
Waeil Batwa, Hala A Almarhoon, Khalid A Almoammar, Nasser Alqahtani, Sahar F Albarakati, Thikriat Al-Jewair
Objective: The objective of this study was to compare the cephalometric skeletal and dental characteristics of unilateral complete cleft lip and palate (UCCLP) subjects with and without missing teeth. Design: A retrospective records review was conducted for patients who are being treated at the cleft lip and palate (CLP) clinics in the College of Dentistry. Methods: Ninety-six consecutive records of non-syndromic UCCLP subjects were recruited (33 subjects without missing teeth, 50 subjects with only one missing tooth, and 13 subjects with two or more missing teeth)...
2018: Clinical, Cosmetic and Investigational Dentistry
Fahad I Alkhudhairy, Peter Yaman, Joseph Dennison, Neville McDonald, Alberto Herrero, Mohammed S Bin-Shuwaish
Objective: To study effect of root canal irrigant solutions on the bond strength of cemented fiber posts, and resin cement-tags in root canal dentin. Materials and methods: Fifty-two human single-rooted anterior teeth were selected and stored in 1% sodium azide. Crowns were sectioned 2 mm incisal to the cemento enamel junction with diamond bur at high speed under water-cooling. After standard root canal treatment to tested teeth, they were randomly assigned into four groups (n=13) corresponding to the endodontic irrigant solution that was used during post space preparation...
2018: Clinical, Cosmetic and Investigational Dentistry
Arwa Alumran, Luloah Almulhim, Bainah Almolhim, Shouq Bakodah, Hessa Aldossary, Zahra Alakrawi
This study aimed to review the available literature about special needs dentistry, factors affecting treatment of patients with special needs, dental education, and the preparedness and willingness of dental care providers to treat patients with special needs. The study also aimed to assess the validity and reliability of available scales that measure the preparedness of dental care providers to treat patients with special needs. Forty studies from esteemed refereed journals were reviewed in this article. The topics in the study were relevant to special needs dentistry, Saudi Arabia, and dental care providers' perceptions of treating patients with special needs...
2018: Clinical, Cosmetic and Investigational Dentistry
I Gusti Aju Wahju Ardani, Bintiana Susanti, Irwadi Djaharu'ddin
Background: Two types of orthodontic elastics exist based on their material, latex and nonlatex, each of which has different properties in clinical use. Some of the differences include their initial force and force degradation over time. This study was conducted to compare the force changes in both materials. Aim: To evaluate the force degradation of latex and nonlatex elastics under moderate stretching over time. Methods: Medium-force orthodontic latex and nonlatex elastics from American Orthodontics (AO) and Ortho Technology (OT) of lumen size 1/4 inches and 3/16 inches (total sample 110 elastics) were submerged in artificial saliva (pH 6...
2018: Clinical, Cosmetic and Investigational Dentistry
Salwa Aldahlawi, Angela Demeter, Tassos Irinakis
Purpose: The aim of this study was to evaluate and compare crestal bone levels (CBLs) after 1 year of loading of self-tapping bone condensing implants placed with high insertion torque (IT) compared to those placed with lower IT. Materials and methods: A retrospective chart review of 66 consecutive patients who received at least one self-tapping bone condensing implant and were in function for at least 1 year was conducted. On the basis of intrasurgical notes documenting the implant IT, the patient population was divided into group A (implant IT, >55 Ncm) and group B (IT, <55 Ncm)...
2018: Clinical, Cosmetic and Investigational Dentistry
Marcelo Santos Coelho, Mariane Floriano Lopes Santos Lacerda, Mauro Henrique Chagas Silva, Marcos de Azevêdo Rios
The second mesiobuccal canal in mesiobuccal roots in maxillary molars is a common finding in root canal treatments. Failure on the location of these canals is associated with a high rate of unsuccessful treatments of maxillary molars. Its prevalence has been assessed in several in vitro and in vivo studies, presenting variations according to the methodology applied, along with the population of interest. While the anatomy of these teeth is well defined in micro-computed tomography studies, the clinical management is a great challenge for the practitioner...
2018: Clinical, Cosmetic and Investigational Dentistry
Fares S Al-Sehaibany, Danah Z Almubarak, Reem A Alajlan, Mohammad A Aldosari, Nasser D Alqahtani, Nassr S Almaflehi, Sahar F AlBarakati
Aim: This study investigated the knowledge of elementary school staff regarding the management of traumatic dental injuries (TDIs) in children. Methods: The present cross-sectional study analyzed data collected between September 2016 and April 2017. The sample consisted of 2,027 elementary school staff members in Riyadh, Saudi Arabia. A stratified cluster random sampling technique was used to select the required sample. Those who agreed to participate in the study completed a 4-part self-administered questionnaire comprising questions regarding demographic data, knowledge on management of tooth fracture, and avulsion using photographs of TDI cases...
2018: Clinical, Cosmetic and Investigational Dentistry
Laila Fawzi Baidas, Huda Mohammad Al-Kawari, Zhara Al-Obaidan, Aqeelah Al-Marhoon, Sawsan Al-Shahrani
Purpose: Based on the evidence of the embryonic origin of the sella turcica and the teeth, this retrospective study evaluated the association between sella turcica bridging and palatal canine impaction in skeletal Class I and Class II orthodontic patients. Methods: Sixty-two orthodontic patients with palatally impacted canines and 54 controls with erupted canines (aged 12-25 years) were classified into skeletal Class I and Class II (according to ANB angle and Wits analysis)...
2018: Clinical, Cosmetic and Investigational Dentistry
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