Dentistry Commons^™

Evaluation Of Root-End Resection With Conventional And Ultrasonic Methods: A Single-Blind, Randomized In-Vitro Study, Mohammad Al Shammaa, Roula S. Abiad, Nayer Abo Elsaad

BAU Journal - Creative Sustainable Development

The root-end resection is considered critical endodontic surgical procedure. Three millimeters of the root tip is resected and root-end cavity with parallel walls and comparable depth is cut to receive a root-end filling. The literature discussed dentinal cracks after root canal instrumentation and/or root dentine cutting. The aim of the present study was to assess cracks at root ends after resection with conventional versus ultrasonic techniques. Material and Methodology: Thirty-two extracted human lower premolar teeth with single root were used. Their root canals were prepared and received gutta-percha. Sixteen roots Group 1 were resected using tungsten carbide fissure burs, while …

Eradication Of Enterococcus Faecalis In Conventional Endodontic Retreatments (A Randomized Clinical Trial), Fadl H. Khaled, Roula S. Abiad, Khaled Abd El Galil, Essam Osman

BAU Journal - Creative Sustainable Development

Enterococcus faecalis is the most common bacteria isolated in conventional endodontic retreatments. Aim: To compare the impact of three irrigation modalities on the elimination of the isolated microbial strains of Enterococcus faecalis. Materials and Methods: Thirty patients requiring conventional endodontic retreatment for one of their mandibular premolars and tested positive for E. faecalis were chosen. Patients were randomly divided into three groups (n=10) according to the irrigation modality to be used; group I: syringe irrigation (NaOCl 2.625%), group II: NaOCl 2.625%+EndoActivator and group III: NaOCl 2.625%+diode laser. Before obturation, samples S2 were collected and PCR analysis was performed to identify …

Noninvasive Orthodontic Treatment For Class Ii Division 2 Adult Patient With 100% Deep Bite By Continuous Wire Mechanism, Yu-Hui Huang, Chun-Liang Kuo, I-Hua Liu, Chun-Hsiu Yang, Chung-Li Wang

Taiwanese Journal of Orthodontics

A characteristic of Class II Division 2 malocclusion is severe deep overbite and lingual inclination of the incisors. Deep overbite can be corrected by intrusion of anterior teeth, extrusion of posterior teeth, or a combination of both. Intrusion of the incisors should be the preferred treatment in nongrowing patients with anterior deep bites.

The patient is a 21-year-old female who had a skeletal Class II, hypodivergent facial pattern, Class II division 2 malocclusion, crowding dentition and traumatic 100% deep overbite. We extracted the two upper first premolars to relieve crowding, and the mandibular crowding was resolved by aligning the lower …

Treatment Of A Class Ii Hyperdivergent Case With Progressive Condylar Resorption, In-Ru Lin, Meng-Yen Chen, Tung-Yiu Wong, Chen-Jung Chang

Taiwanese Journal of Orthodontics

Condylar resorption can be challenging to orthodontist when encountered during treatment. The clinical characteristics and cephalometric findings of a patient who experienced postoperative skeletal relapse caused by progressive condylar resorption (CR) are presented in this case report. The predisposing factors and treatment protocols of condylar resorption are also discussed. A 17-year-old female patient came to our hospital with chief complaint of no contact of anterior teeth. Cephalometric analysis shows that she is a patient with skeletal Class II hyper-divergent pattern caused by mandibular retrognathism. Flattened left condylar head was found on panoramic film suggesting possible condylar erosion in the past. …

Asymmetric Orthodontic Space Closure Of Unilateral Congenitally Missing Second Premolars, Weerayuth Vejwarakul, Yu-Chih Wang, Yuh-Jia Hsieh

Taiwanese Journal of Orthodontics

This case report presents successful orthodontic management of unilateral retained deciduous second molars and congenitally missing second premolars using an additional anchorage in conjunction with the segmented arch approach. A 21-year-old female patient presented as skeletal Class I malocclusion, mild crowding, straight facial profile, and orthodivergent facial pattern. The treatment plan was established to extract deciduous teeth and close the extraction space by molar protraction. A Nance appliance and lingual holding arch were used as an additional anchorage to maintain the facial profile and dental midline, with pure molar protraction performed using a segmented arch and sliding mechanics. After 1 …

Orthodontic Correction Of Insufficient Posterior Overjet With Microimplant-Assisted Rapid Palatal Expansion, Po-Yi Chen, Tai-Ting Lai, Kai-Wen Yu, Huey-Yuan Wang, Shih-Ying Lin

Taiwanese Journal of Orthodontics

Transverse maxillary deficiency is often characterized by insufficient posterior overjet or posterior cross bite and anterior crowding. However, arch expansion in adult patients has been considered to be problematic owing to its possible periodontal side effects, such as gingival recession and bone dehiscence. On the other hand, nonsurgical maxillary expansion of the palatal bone in young adults has been demonstrated to correct transverse maxillary deficiency. This report describes the case of an 18-year-old patient with mild transverse maxillary deficiency accompanied by crowding who underwent microimplant-assisted rapid palatal expansion (MARPE). Using microimplant-assisted rapid palatal expansion allowed relief of crowding and correction …

Comparing Outcomes And Stability After Single- And Two-Piece Lefort I Osteotomies In Patients With Cleft Lip And Palate, Chanin Jittithaworn, Chun-Shin Chang, Chiung Shing Huang, Cheng-Hui Lin, Ellen Wen-Ching Ko

Taiwanese Journal of Orthodontics

Purpose: LeFort I osteotomy is used to correct and improve the maxillary hypoplasia in secondary cleft deformities. However, surgical complex and challenge would be the risk factor of postsurgical instability. This study compared surgical and postsurgical changes in maxillary and mandibular movements and stability in patients with cleft lip and palate (CLP) who underwent single- or two-piece LeFort I osteotomies.

Materials and Methods: Forty-five patients with CLP were included, of whom 30 and 15 received single- and two-piece LeFort I osteotomies, respectively. Cone-beam computed tomography was administered at three time points (T0: presurgery; T1: <1-month postsurgery; and T2: ≥1-year postsurgery) to evaluate surgical (T1–T0) and postsurgical (T2–T1) changes in maxillary and mandibular movement and stability. The overall movement, arch width, and relapse rate were measured and compared between the groups. Potential factors influencing skeletal stability were surgical change, segmental maxilla, cleft types, age, sex, and prior alveolar bone graft placement were analyzed.

Results: There revealed a significant difference …

Is The Anb Norm In Tao Board Examination Appropriate? Meta-Analysis Of Taiwanese Cephalometric Norms, Ya-Lan Chan, Johnson Hsin-Chung Cheng, Pei-Hsuan Chen, Daniel De-Shing Chen

Taiwanese Journal of Orthodontics

Purpose: According to clinical experience, the ANB angle (A point, nasion, B point) norm value of Taiwan Association of Orthodontists (TAO) board examination seems to be larger than the Taiwanese population. Therefore, this study aimed to integrate studies of Taiwanese cephalometric norms by a meta-analysis.

Patients and Methods: Studies were searched from electronic database of PubMed, National Digital Library of Theses and Dissertations in Taiwan, and physical libraries. Ten measurement values were collected. According to age and gender, all samples were divided into three groups. A meta-analysis of the mean and standard deviation values in all groups was performed.

Results: …

The U.S. Should Expand Access To Dental Care For Older Adults, Madonna Harrington Meyer, Sarah Reilly, Julia Finan

Population Health Research Brief Series

Older adult Medicare recipients face high out-of-pocket dental expenses due to a lack of appropriate dental care coverage. Older adults with lower socioeconomic status tend to have worse oral health, less dental insurance coverage, greater difficulties finding a dentist, and low-quality care. This brief details the experiences socioeconomically disadvantaged older adults face in obtaining appropriate and affordable dental care and calls on Congress to include preventative and restorative dental care as part of the federal funding agenda.

Leukotrienes Are Dispensable For Vaginal Neutrophil Recruitment As Part Of The Immunopathological Response During Experimental Vulvovaginal Candidiasis, Junko Yano, David J. White, Anthony P. Sampson, Floyd L. Wormley, Paul L. Fidel

School of Dentistry Faculty Publications

Recruitment of polymorphonuclear neutrophils (PMNs) into the vaginal lumen is the hallmark of an acute immunopathologic inflammatory response during vulvovaginal candidiasis (VVC) caused by Candida albicans. Recurrent VVC (RVVC) remains a chronic health burden in affected women worldwide despite the use of antifungal therapy. Based on the role leukotrienes (LTs) play in promoting inflammation, leukotriene receptor antagonists (LTRAs) targeted for LTB4 (etalocib) or LTC4, LTD4, and LTE4 (zafirlukast or montelukast) have been shown to reduce inflammation of epithelial tissues. An open-label pilot study using long-term regimens of zafirlukast in women with RVVC indicated the potential for some relief from recurrent …

Insight - Fall 2021, Dugoni School Of Dentistry

Insight

Spotlighting the work of people at the Dugoni School, including clinical and biomedical research, the scholarship of teaching and learning, improvement of the health care system, professional partnerships that advance the field and more.

Contact Point Autumn 2021, Arthur A. Dugoni School Of Dentistry

Contact Point

No abstract provided.

Retention Of Rapid Prototyped Complete Dentures Using Two Different Types Liquid Resin, Lina Khalaf Ismail, Mohammed Farouk Abdullah, Mohammed Mahmoud Dohiem

Future Dental Journal

Objectives: Comparing the retention of upper complete denture manufactured using two different denture base materials, both of them were manufactured using rapid prototyping method.

Methods: Nineteen patients were selected. For both groups, the dentures were manufactured using Rapid prototyping method following the next steps, a preliminary impression was made & trial denture bases were constructed on the primary casts for the upper & lower arches for a jaw relation record. A facebow record was used to mount the upper cast, while the lower cast was mounted using a centric relation record. Setting of artificial teeth was performed, then the denture …

Effect Of Hydrothermal Aging On Translucency Of Different Types Of Zirconia And Lithium Disilicate At Variable Thicknesses, Tarek Salah Morsi, Mennatallah M. Wahba

Future Dental Journal

Objective: The aim of this in vitro study was to investigate the effect of hydrothermal aging on translucency parameter (TP) of different zirconia ceramics in different thicknesses. Material and Methods: This is an in-vitro study in which translucency of six pre-sintered and pre-shaded zirconia materials (In Coris ZI, In Coris TZI, Bruxzir Solid, KATANA HT, KATANA ST, and KATANA UT) was compared to a low-translucency, lithium disilicate glass-ceramic material (IPS e.max CAD LT, Ivoclar Vivadent). The ceramic blocks were cut in the form of plates of dimensions (14x10 mm) and of different thicknesses (0.5, 0.7,1 mm). Thirty specimens of …

Assessment Of Association Between Pain And Root Resorption During Canine Retraction: An Exploratory Study, Hend S. Elsayed

Future Dental Journal

Background: Pain and root resorption are common adverse events reported in the orthodontic literature. Both are side effects of the sterile inflammatory tissue reaction related to the application of orthodontic force. Aim: The aim of this exploratory study was to assess the association between pain and root resorption during canine retraction. Materials and Methods: Twenty-four patients indicated for first premolar extraction and canine retraction were recruited. All patients were treated with 0.022” X 0.028” Roth prescription brackets. After leveling and alignment, canines were retracted over 0.017” X 0.025” stainless steel arch wires. Canines were retracted with elastomeric chains applying 150g …

Efficacy Of Psychological Interventions In The Reduction Of Orthodontic Pain At Its Peak Of Intensity In Patients Undergoing Fixed Orthodontic Treatment: A Systematic Review And Meta-Analysis, Mahmoud Mando Dr., Sameh Talaat Dr.

Future Dental Journal

Objectives: To investigate the efficacy of psychological interventions in the reduction of orthodontic pain at its peak of intensity.

Data sources: A search strategy was implemented using both manual hand search and electronic databases, including Cochrane Central Register of Controlled Trials (CENTRAL), PubMed, ScienceDirect, Scopus and EBSCO.

Resources selection Randomized controlled trials involve 1) patients undergoing fixed orthodontic treatment 2) minimum age of 10 years old, 3) receiving a psychological intervention to control resulted pain and discomfort, 4) medically fit and 5) no previous orthodontic treatment, were included in the systematic review. All articles were checked against the inclusion and …

The Interleukin-17 (Il-17) Concentration In Saliva Of Patients With Oral Lichen Planus, Mai Talaat Elgendi, Radwa Ragheb Hussien, Ahmed Abdel Aziz Hassan, Olfat Shaker

Future Dental Journal

Background: The aim of the present study was to measure the clinical and pain score in these patients and to measure the level of IL-17 in saliva of patients having different forms of Oral lichen planus lesions (OLP).

Subjects and methods: According to sample size calculation, the present study was done on a total of 40 subjects divided into 3 groups Group (I) Twenty patients having erosive/atrophic OLP. Group (II) Ten patients having reticular OLP and Group (III) Ten healthy control patients. Salivary samples were collected from the subjects of the three groups to evaluate the levels of IL-17 using …

Clinical Periodontal Assessment Following The Adjunctive Use Of Lycopene And Vitamin C In Non Surgical Therapy Of Chronic Periodontitis: A Randomized Clinical Trial, Nevein Mohammed Osama Algammal, Nivine Ibrahim Ragy, Mohammed Wagdy Bissar, Mohammed El-Mofty

Future Dental Journal

Objective: To evaluate the clinical outcome of chronic periodontitis patients by clinical measurement of pocket depth (PD) and clinical attachment level (CAL) following non-surgical periodontal treatment with adjunctive use of lycopene and vitamin C.

Subjects and Methods: 42 eligible systemically healthy patients with chronic periodontitis assigned to each group after assessment of clinical parameters plaque index (PI), gingival index (GI), probing depth (PD), clinical attachment loss (CAL), were recorded. Cases were allocated into 3 groups by computerized randomization, 14 patients each group (n = 14). Group I (Lycopene): patients were supplemented with 10 mg lycopene soft gels once daily for …

Evaluation Of Locally Delivered 1.2% Atorvastatin Gel Versus 2% Melatonin Gel As Adjunctive To Non-Surgical Periodontal Therapy On Gcf Osteocalcin Level In Stage Ii Periodontitis Patients: A Randomized Controlled Trial, Sarah Gamal Moussa

Future Dental Journal

Abstract:

Objective: Atorvastatin (ATV) and melatonin have antioxidant and anti-inflammatory properties and were suggested to have positive effects when used in periodontitis cases. In periodontitis, osteocalcin (OC) was suggested to be a bone formation marker. Regarding bone turnover in periodontium, gingival crevicular fluid (GCF) osteocalcin levels are more accurate than salivary or serum levels.

Aim: The aim of the present study was to assess the effectiveness of local delivery of ATV gel and melatonin gel as adjuncts to scaling and root planing (SRP) in the treatment of stage II periodontitis patients.

Subjects and method: Thirty-six patients having stage II periodontitis …

The Effect Of Doxorubicin And Thioridazine On Squamous Carcinoma Cell Line, Bassant Mahmoud Moustafa

Future Dental Journal

Abstract

Background: Head and neck squamous cell carcinoma (HNSCC) is one of the most common cancers occupying the sixth position worldwide. PI3k/Akt signaling pathway plays a significant role in regulating diverse cellular functions. This includes cell growth, proliferation and survival via inhibition of apoptosis, transcription and protein synthesis. One of the most acknowledged and approved chemotherapeutic agents is Doxorubicin (DOX) which is a non- selective class I anthracycline. In spite of DOX being one of the most acknowledged chemotherapeutic agents, its use has been limited by its toxic side effects and the development of chemoresistance. Nowadays, Thioridazine (TZ) which is …