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Journal of Conservative Dentistry: JCD

Amandeep Kaur, Ajay Logani, Manish Chahar
Prognosis of a horizontal mid-root fracture is favorable, primarily because the dental pulp tends to maintain its vitality and the fracture segments are completely intraalveolar. Healing usually occurs with deposition of calcified tissue. However, if the segment coronal to the fracture becomes nonvital and infected, healing occurs by interposition of granulation tissue. This report describes a case of a horizontal mid-root fracture in a right maxillary central incisor tooth, where the apical fractured segment was significantly displaced in a linear direction...
March 2018: Journal of Conservative Dentistry: JCD
A R Vivekananda Pai, Varun Arora
A metallic obstruction in the canal orifice of a maxillary right canine could not be bypassed during endodontic treatment. Aids such as ultrasonics and retrieval kits were not available for the removal of the obstruction. Therefore, a novel approach using a disposable syringe needle was employed. A 22-gauge needle was inserted into the orifice and turned in an arc with a gentle apical pressure and alternate rocking motion around the obstruction. This procedure was repeated few times to cut dentin and successfully dislodge and remove the obstruction using the sharp beveled tip of the needle...
March 2018: Journal of Conservative Dentistry: JCD
Udayakumar Palaniswamy, Aisha Habeeb, Mohammed Mohsin
Aim: The objectives of this study were to determine the bacterial contamination of the mobile phones that were used by the endodontist in comparison with the general dentist and also to determine the usefulness of titanium dioxide nanospray (TiO2 NS) in mobile phone decontamination. Materials and Methods: Samples from the 60 mobile phones were taken using moist sterile swabs before, 10 min, and 1 week after the use of TiO2 NS. Before collection of the swabs, the participants' informed consent was obtained...
March 2018: Journal of Conservative Dentistry: JCD
P Krishna Prasad, Abhishek Sankhala, Aastha Tiwari, Shrikant Parakh, Gagan R Madan, Ankita Singh
Aim: The aim of this study is to evaluate the effect of ultrasonic activation on the penetration depth of AH Plus, Acroseal, and EndoREZ sealers into dentinal tubules using Confocal laser microscopy. Methods: A total of 60 single-rooted teeth were prepared and divided into three groups on the basis of the type of sealer used (G1: AH Plus, G2: Acroseal and G3:EndoREZ). Each group was further subdivided into two equal subgroups on the basis of ultrasonic activation of sealers and nonactivation...
March 2018: Journal of Conservative Dentistry: JCD
Ramesh Bharti, Aseem Prakash Tikku, Anil Chandra, Vijay Kumar Shakya, Simith Yadav
Aim: This in vitro study was conducted to evaluate the effect of EndoVac, EndoActivator, and Navy Tip FX irrigation system on lateral depth and percentage of sealer penetration into the dentinal tubules using confocal laser scanning microscope. Materials and Methods: Forty recently extracted single-rooted mandibular premolars were taken and root canal treatment was performed using three different irrigation system, that is, EndoVac, EndoActivator, and Navi tip FX...
March 2018: Journal of Conservative Dentistry: JCD
Jonathan Chu, Vincent Bennani, John M Aarts, Nicholas Chandler, Bronwyn Lowe
Statement of Problem: The current ceramic onlay preparation techniques for cuspal areas involve the reduction of cusps following the cuspal anatomy and the removal of all sharp angulations. However, there is little research literature studying the effect of occlusal preparation angles. Furthermore, there is no recent literature on the effect of angulations on IPS e.max computer-aided designed (CAD) (e.max) ceramic onlays. Purpose: The purpose of this study is to investigate the effect of geometric cuspal angulation and different internal preparation angles on the fracture strength of e...
March 2018: Journal of Conservative Dentistry: JCD
Snehal S Sonarkar, Shishir Singh, Rajesh Podar, Gaurav Kulkarni, Rucheet Purba
Background: Pulpal infections are caused by varied number of organisms and are located in various sites of root canal system. Thus, the success of root canal treatment depends on complete eradication of microbiota. Materials and Methods: Thirty-two patients were selected and divided into four groups (photoactivated disinfection [PAD], diode laser, 5% sodium hypochlorite [NaOCl], and normal saline). The treatment was done according to groups, following manufacturer's instructions...
March 2018: Journal of Conservative Dentistry: JCD
Anderson Petrauskas, Karina Andrea Novaes Olivieri, Yasmine Mendes Pupo, Guilherme Berger, Ederson Áureo Gonçalves Betiol
Aim: This study aims to evaluate the microshear bond strength of zirconia-based ceramics with different resin cement systems and surface treatments. Materials and Methods: Forty blocks of zirconia-based ceramic were prepared and embedded in polyvinyl chloride (PVC) tubes with acrylic resin. After polishing, the samples were washed in an ultrasonic bath and dried in an oven for 10 min. Half of the samples were subjected to sandblasting with aluminum oxide. Blocks were divided into four groups ( n = 10) in which two resin cements were used as follows: (1) RelyX™ U100 with surface-polished zirconia; (2) RelyX™ U100 with surface-blasted zirconia; (3) Multilink with surface-polished zirconia; and 4) Multilink with surface-blasted zirconia...
March 2018: Journal of Conservative Dentistry: JCD
Neha Sultana, Ruchika Roongta Nawal, Sarika Chaudhry, Malavika Sivakumar, Sangeeta Talwar
Introduction: With the introduction of calcium silicate materials, pulp capping procedure has been simplified due to their therapeutic pulp capping capabilities and ability to be used as a provisional bulk restorative material simultaneously. The quality of the adhesive bond between these cements and composite is of clinical significance with regard to the longevity of the final laminate restoration. Thus, this study aims to compare the in vitro microtensile bond strengths of resin composite to different calcium silicate cements versus glass ionomer cement (GIC)...
March 2018: Journal of Conservative Dentistry: JCD
Priyanka Himmatrao Patil, Meenal Nitin Gulve, Swapnil Janardan Kolhe, Roshan Mathew Samuel, Gayatri Balasaheb Aher
Aims: The aim of this in vitro study is to evaluate and compare the smear layer removal efficacy of etidronic acid-based irrigating solution with others in the apical third of the root canal. Materials and Methods: Forty human single-rooted mandibular premolar teeth were taken and decoronated to standardize the canal length. After biomechanical preparation, teeth were randomly divided into four groups ( n = 10) and the final irrigation was carried out with tested irrigants...
March 2018: Journal of Conservative Dentistry: JCD
Anish Kumar Lagisetti, Priyadarshini Hegde, Mithra Nidarsh Hegde
Aim: The aim and objective of this study was to evaluate and compare the sealing ability of EndoSequence BC RRM-fast set putty, Proroot mineral trioxide aggregate (MTA), and Zirconomer in the repair of furcal perforation by measuring dye leakage under stereomicroscope. Methodology: A standard access cavity was made on forty-eight extracted mandibular and maxillary first molars followed by creating a furcal perforation in the center of the pulp chamber by using No...
March 2018: Journal of Conservative Dentistry: JCD
Vineeta Nikhil, Shikha Jaiswal, Gauravi Bajpai
Aim: The purpose of this study was evaluation and comparison of the contact angle of new root canal sealers - Hybrid Root Seal, mineral trioxide aggregate (MTA) Plus, and the conventional AH Plus sealer with dentin and gutta-percha. Materials and Methods: Two groups (Group D - dentin and Group G - gutta-percha) of 18 samples each were further randomly divided into 3 subgroups based on the type of sealer used, that is, AH Plus, Hybrid Root Seal, and MTA Plus. Contact angle measurement device (Phoenix 300) was used to measure the contact angle of the sealers on both dentin and gutta-percha...
March 2018: Journal of Conservative Dentistry: JCD
Massimo Amato, Giuseppe Pantaleo, Dina Abtellatif, Andrea Blasi, Massimo Gagliani, Alfredo Iandolo
Aim: The aim of this study is to evaluate in vitro , using artificial lateral canals, the rate of dissolution of the pulp tissue through different protocols of canal irrigation. Materials and Methods: One hundred artificial canals provided with lateral canals have been used. Each lateral canal was filled with pulp tissue and calibrated to 0.002 mg. All canals were irrigated using five different protocols. Five groups have been used for the experiment: Group A, distilled water (control); Group B, preheated NaOCl; Group C, NaOCl heated inside the canal; Group D, NaOCl ultrasonically activated; and Group E, NaOCl heated inside the canal with ultrasonic activation...
March 2018: Journal of Conservative Dentistry: JCD
Pablo Amoroso-Silva, Ivaldo Gomes De Moraes, Marilia Marceliano-Alves, Clovis Monteiro Bramante, Ronald Ordinola Zapata, Marco Antonio Hungaro Duarte
Aim: This study aimed to describe the morphological and morphometric aspects of fused mandibular second molars with radicular shallow grooves using micro-computed tomography (CT). Materials and Methods: Eighty-eight mandibular second molars with fused roots were scanned in a micro-CT scanner at a voxel size of 19.6 μm. After reconstruction, only molars without C-shaped roots and presenting shallow radicular grooves were selected. 30 molars were chosen for further analysis...
March 2018: Journal of Conservative Dentistry: JCD
Abbas Shokri, Shahin Kasraei, Sima Lari, Majid Mahmoodzadeh, Amin Khaleghi, Saeid Musavi, Vahid Akheshteh
Background and Objectives: Image processing and enhancement filters can significantly improve the diagnostic value of digital radiographs. Evidence shows that increasing the contrast and filtering improve the diagnostic accuracy for caries detection. This study sought to assess the diagnostic accuracy of original and enhanced digital radiographs for the detection of approximal and occlusal caries. Subjects and Methods: In this experimental study, incipient carious lesions were artificially created on 120 proximal and occlusal surfaces of human extracted permanent molar and premolar teeth...
March 2018: Journal of Conservative Dentistry: JCD
Varun Pruthi, Sangeeta Talwar, Ruchika Roongta Nawal, Preeti Jain Pruthi, Sarika Choudhary, Seema Yadav
Aim: The aim of this study was to evaluate retention & fracture resistance of different fibre posts. Methodology: 90 extracted human permanent maxillary central incisors were used in this study. For retention evaluation, after obturation, post space preparation was done in all root canals and posts were cemented under three groups. Later, the posts were grasped & pulled out from the roots with the help of a three-jaw chuck at a cross-head speed of 5mm/min...
March 2018: Journal of Conservative Dentistry: JCD
Sanjib Das, Prasanti Kumari Pradhan, S Lata, Sachidananda Prasad Sinha
Introduction: The purpose of this study was to compare the incidence of dentinal crack formation after root canal preparation using ProTaper Next, OneShape, and Hyflex electrodischarge machining (HEDM). Materials and Methods: A total of 75 extracted mandibular premolars were selected. The root canals were instrumented using ProTaper Next, OneShape, and HEDM rotary files. All roots were horizontally sectioned at 3, 6, and 9 mm from apex with slow-speed saw under water cooling...
March 2018: Journal of Conservative Dentistry: JCD
Mohamed Abdel Aziz Mohamed El Sayed, Hussam Al Husseini
Aim of the Study: The aim of this study was to compare the apical sealing ability of two single-cone filling materials when sealed with different types of root canal sealers. Materials and Methods: Eighty extracted maxillary and mandibular canines were selected and their crowns were cut. The root canals were prepared using ProTaper Universal rotary system until size F4 and then divided into seven experimental groups ( n = 10 each) and two control groups ( n = 5 each)...
March 2018: Journal of Conservative Dentistry: JCD
Mouhamed Sarr, Fatou Leye Benoist, Khaly Bane, Adjaratou Wakha Aidara, Anta Seck, Babacar Toure
Purpose: This study evaluated the immediate bonding effectiveness of five self-etch adhesive systems bonded to dentin. Materials and Methods: The microtensile bond strength of five self-etch adhesives systems, including one two-step and four one-step self-etch adhesives to dentin, was measured. Human third molars had their superficial dentin surface exposed, after which a standardized smear layer was produced using a medium-grit diamond bur. The selected adhesives were applied according to their respective manufacturer's instructions for μTBS measurement after storage in water at 37°C for 24 h...
March 2018: Journal of Conservative Dentistry: JCD
Andressa Cargnelutti Follak, Leonardo Lamberti Miotti, Tathiane Larissa Lenzi, Rachel de Oliveira Rocha, Fabio Zovico Maxnuck Soares
Aim: The aim of this study is to evaluate the impact of dentin condition on bond strength of multi-mode adhesive systems (MMAS) to sound and artificially induced caries-affected dentin (CAD). Methods: Flat dentin surfaces of 112 bovine incisors were assigned to 16 subgroups ( n = 7) according to the substrate condition (sound and CAD- pH-cycling for 14 days); adhesive systems (Scotchbond Universal, All-Bond Universal, Prime and Bond Elect, Adper Single Bond Plus and Clearfil SE Bond) and etching strategy (etch-and-rinse and self-etch)...
March 2018: Journal of Conservative Dentistry: JCD
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