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Restorative Dentistry & Endodontics

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https://www.readbyqxmd.com/read/28503482/statistical-notes-for-clinical-researchers-chi-squared-test-and-fisher-s-exact-test
#1
Hae-Young Kim
No abstract text is available yet for this article.
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28503481/dental-management-of-patients-with-x-linked-hypophosphatemia
#2
Bin-Na Lee, Hye-Yoon Jung, Hoon-Sang Chang, Yun-Chan Hwang, Won-Mann Oh
X-linked hypophosphatemia (XLH) is a hereditary metabolic disease caused by the loss of phosphate through the renal tubules into the urine, and an associated decrease in serum calcium and potassium phosphate. Its dental features include spontaneous dental abscesses that occur in the absence of trauma or dental caries. The aim of this case report was to describe the dental problems of XLH patients and to evaluate limitations in their treatment. A 14 year old male and a 38 year old female with XLH were referred to the Department of Conservative Dentistry for endodontic treatment...
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28503480/intraoperative-discomfort-associated-with-the-use-of-a-rotary-or-reciprocating-system-a-prospective-randomized-clinical-trial
#3
Aline Cristine Gomes, Adriana Jesus Soares, Erick M Souza, Alexandre Augusto Zaia, Emmanuel João Nogueira Leal Silva
OBJECTIVES: The aim of this randomized, controlled, prospective clinical study was to evaluate patients' intraoperative discomfort during root canal preparations in which either multi-file rotary (Mtwo) or single-file reciprocating (Reciproc) systems were used. MATERIALS AND METHODS: Fifty-five adult patients, aged between 25 and 69 years old, with irreversible pulpitis or pulp necrosis participated in this study. Either the mesiobuccal or the distobuccal canals for maxillary molars and either the mesiobuccal or the mesiolingual canals for mandibular molars were randomly chosen to be instrumented with Mtwo multi-file rotary or Reciproc single-file reciprocating systems...
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28503479/cyclic-fatigue-life-of-tango-endo-waveone-gold-and-reciproc-niti-instruments
#4
Koray Yılmaz, Taha Özyürek
OBJECTIVES: To compare the fatigue life of Tango-Endo, WaveOne GOLD, and Reciproc NiTi instruments under static model via artificial canals with different angles of curvature. MATERIALS AND METHODS: Reciproc R25, WaveOne GOLD Primary, and Tango-Endo instruments were included in this study (n = 20). All the instruments were rotated in artificial canals which were made of stainless steel with an inner diameter of 1.5 mm, 45°, 60°, and 90° angles of curvatures and a radius of curvature of 5 mm until fracture occurred, and the time to fracture was recorded in seconds using a digital chronometer...
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28503478/the-effects-of-non-thermal-plasma-and-conventional-treatments-on-the-bond-strength-of-fiber-posts-to-resin-cement
#5
Maíra do Prado, Eduardo Moreira da Silva, Juliana das Neves Marques, Caroline Brum Gonzalez, Renata Antoun Simão
OBJECTIVES: This study compared the effect of hexamethyldisiloxane (HMDSO) and ammonia (NH3) plasmas on the bond strength of resin cement to fiber posts with conventional treatments. MATERIALS AND METHODS: Sixty-five fiber posts were divided into 5 groups: Control (no surface treatment); H2O2 (24% hydrogen peroxide for 1 min); Blasting (blasting with aluminum oxide for 30 sec); NH3 (NH3 plasma treatment for 3 min); HMDSO (HMDSO plasma treatment for 15 min). After the treatments, the Ambar adhesive (FGM Dental Products) was applied to the post surface (n = 10)...
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28503477/color-stability-of-bulk-fill-and-incremental-fill-resin-based-composites-polished-with-aluminum-oxide-impregnated-disks
#6
Uzay Koc-Vural, Ismail Baltacioglu, Pinar Altinci
OBJECTIVES: This study aimed to evaluate the color stability of bulk-fill and nanohybrid resin-based composites polished with 3 different, multistep, aluminum-oxide impregnated finishing and polishing disks. MATERIALS AND METHODS: Disk-shaped specimens (8 mm in diameter and 4 mm in thickness) were light-cured between two glass slabs using one nanohybid bulk-fill (Tetric EvoCeram, Ivoclar Vivadent), one micro-hybrid bulk-fill (Quixfil, Dentsply), and two nanohybrid incremental-fill (Filtek Ultimate, 3M ESPE; Herculite XRV Ultra, Kerr) resin-based composites, and aged by thermocycling (between 5 - 55℃, 3,000 cycles)...
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28503476/differential-diagnosis-of-periapical-cyst-using-collagen-birefringence-pattern-of-the-cyst-wall
#7
Hyo Jin Ji, Se-Hee Park, Kyung-Mo Cho, Suk Keun Lee, Jin Woo Kim
OBJECTIVES: Periapical lesions, including periapical cyst (PC), periapical granuloma (PG), and periapical abscess (PA), are frequently affected by chemical/physical damage during root canal treatment or severe bacterial infection, and thus, the differential diagnosis of periapical lesions may be difficult due to the presence of severe inflammatory reaction. The aim of this study was to make differential diagnosis among PC, PG, and PA under polarizing microscope. MATERIALS AND METHODS: The collagen birefringence patterns of 319 cases of PC (n = 122), PG (n = 158), and PA (n = 39) obtained using a polarizing microscope were compared...
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28503475/the-use-of-auxiliary-devices-during-irrigation-to-increase-the-cleaning-ability-of-a-chelating-agent
#8
Marina Carvalho Prado, Fernanda Leal, Renata Antoun Simão, Heloisa Gusman, Maíra do Prado
OBJECTIVES: This study investigated the cleaning ability of ultrasonically activated irrigation (UAI) and a novel activation system with reciprocating motion (EC, EasyClean, Easy Equipamentos Odontológicos) when used with a relatively new chelating agent (QMix, Dentsply). In addition, the effect of QMix solution when used for a shorter (1 minute) and a longer application time (3 minutes) was investigated. MATERIALS AND METHODS: Fifty permanent human teeth were prepared with K3 rotary system and 6% sodium hypochlorite...
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28503474/bonding-of-the-silane-containing-multi-mode-universal-adhesive-for-lithium-disilicate-ceramics
#9
Hyun-Young Lee, Geum-Jun Han, Juhea Chang, Ho-Hyun Son
OBJECTIVES: This study evaluated the influence of a multi-mode universal adhesive (MUA) containing silane (Single Bond Universal, 3M EPSE) on the bonding of resin cement to lithium disilicate. MATERIALS AND METHODS: Thirty IPS e.max CAD specimens (Ivoclar Vivadent) were fabricated. The surfaces were treated as follows: Group A, adhesive that did not contain silane (ANS, Porcelain Bonding Resin, Bisco); Group B, silane (S) and ANS; Group C, hydrofluoric acid (HF), S, and ANS; Group D, MUA; Group E, HF and MUA...
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28503473/analysis-of-the-shelf-life-of-chitosan-stored-in-different-types-of-packaging-using-colorimetry-and-dentin-microhardness
#10
Antonio Miranda da Cruz-Filho, Angelo Rafael de Vito Bordin, Luis Eduardo Souza-Flamini, Débora Fernandes da Costa Guedes, Paulo César Saquy, Ricardo Gariba Silva, Jesus Djalma Pécora
OBJECTIVES: Chitosan has been widely investigated and used. However, the literature does not refer to the shelf life of this solution. This study evaluated, through the colorimetric titration technique and an analysis of dentin micro-hardness, the shelf life of 0.2% chitosan solution. MATERIALS AND METHODS: Thirty human canines were sectioned, and specimens were obtained from the second and third slices, from cemento-enamel junction to the apex. A 0.2% chitosan solution was prepared and distributed in 3 identical glass bottles (v1, v2, and v3) and 3 plastic bottles (p1, p2, and p3)...
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28503472/recognition-and-management-of-palatogingival-groove-for-tooth-survival-a-literature-review
#11
REVIEW
Hee-Jin Kim, Yoorina Choi, Mi-Kyung Yu, Kwang-Won Lee, Kyung-San Min
Palatogingival groove (PGG) is an anomaly in the maxillary anterior teeth, often accompanied by the area of bony destruction adjacent to the teeth with no carious or traumatic history. The hidden trap in the tooth can harbor plaque and bacteria, resulting in periodontal destruction with or without pulpal pathologic change. Related diseases can involve periodontal destruction, combined endodontic-periodontal lesions, or separate endodontic and periodontal lesions. Disease severity and prognosis related to PGG depend on several factors, including location, range, depth, and type of the groove...
May 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28194368/statistical-notes-for-clinical-researchers-risk-difference-risk-ratio-and-odds-ratio
#12
Hae-Young Kim
No abstract text is available yet for this article.
February 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28194367/retreatment-of-failed-regenerative-endodontic-of-orthodontically-treated-immature-permanent-maxillary-central-incisor-a-case-report
#13
Musaed Fahad Al-Tammami, Saad A Al-Nazhan
A revascularization procedure was shown to be the best alternative therapy for immature teeth with necrotic pulp and apical infection. A 12 year old female with a history of trauma to her upper central incisor and a sinus tract was referred for endodontic treatment. She was an active orthodontic patient and had undergone regenerative endodontic treatment for the past 2 years. Clinical examination revealed no response to sensibility, percussion, and palpation tests. The preoperative radiograph showed an open apex and apical rarefaction...
February 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28194366/maxillary-first-molar-with-7-root-canals-diagnosed-using-cone-beam-computed-tomography
#14
Evaldo Rodrigues, Antônio Henrique Braitt, Bruno Ferraz Galvão, Emmanuel João Nogueira Leal da Silva
Root canal anatomy is complex, and the recognition of anatomic variations could be a challenge for clinicians. This case report describes the importance of cone beam computed tomographyic (CBCT) imaging during endodontic treatment. A 23 year old woman was referred by her general dental practitioner with the chief complaint of spontaneous pain in her right posterior maxilla. From the clinical and radiographic findings, a diagnosis of symptomatic irreversible pulpitis was made and endodontic treatment was suggested to the patient...
February 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28194365/antibacterial-effect-of-urushiol-on-e-faecalis-as-a-root-canal-irrigant
#15
Sang-Wan Kim, Dong-Hoon Shin
OBJECTIVES: The purpose of this study was to compare the antibacterial activity of urushiol against Enterococcus faecalis (E. faecalis) to that of NaOCl. MATERIALS AND METHODS: The canals of thirty two single rooted human teeth were instrumented with Ni-Ti files (ProTaper Next X1, X2, X3, Dentsply). A pure culture of E. faecalis ATCC 19433 was prepared in sterile brain heart infusion (BHI) broth. The teeth were submerged in the suspension of E. faecalis and were incubated at 37℃ for 7 days to allow biofilm formation...
February 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28194364/comparison-of-two-different-methods-of-detecting-residual-caries
#16
Uzay Koç Vural, Zeynep Bilge Kütük, Esra Ergin, Filiz Yalçın Çakır, Sevil Gürgan
OBJECTIVES: The aim of this study was to investigate the ability of the fluorescence-aided caries excavation (FACE) device to detect residual caries by comparing conventional methods in vivo. MATERIALS AND METHODS: A total of 301 females and 202 males with carious teeth participated in this study. The cavity preparations were done by grade 4 (Group 1, 154 teeth), grade 5 (Group 2, 176 teeth), and postgraduate (Group 3, 173 teeth) students. After caries excavation using a handpiece and hand instruments, the presence of residual caries was evaluated by 2 investigators who were previously calibrated for visual-tactile assessment with and without magnifying glasses and trained in the use of a FACE device...
February 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28194363/in-vitro-study-of-streptococcus-mutans-adhesion-on-composite-resin-coated-with-three-surface-sealants
#17
Da Hye Kim, Tae-Yub Kwon
OBJECTIVES: Although the coating of surface sealants to dental composite resin may potentially reduce bacterial adhesion, there seems to be little information regarding this issue. This preliminary in vitro study investigated the adhesion of Streptococcus mutans (S. mutans) on the dental composite resins coated with three commercial surface sealants. MATERIALS AND METHODS: Composite resin (Filtek Z250) discs (8 mm in diameter, 1 mm in thickness) were fabricated in a mold covered with a Mylar strip (control)...
February 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28194362/effect-of-adaptive-motion-on-cyclic-fatigue-resistance-of-a-nickel-titanium-instrument-designed-for-retreatment
#18
Taha Özyürek, Koray Yılmaz, Gülşah Uslu
OBJECTIVES: The aim of this study was to evaluate the cyclic fatigue resistance of the ProTaper Universal D1 file (Dentsply Maillefer) under continuous and adaptive motion. MATERIALS AND METHODS: Forty ProTaper Universal D1 files were included in this study. The cyclic fatigue tests were performed using a dynamic cyclic fatigue testing device, which had an artificial stainless steel canal with a 60° angle of curvature and a 5 mm radius of curvature. The files were randomly divided into two groups (Group 1, Rotary motion; Group 2, Adaptive motion)...
February 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28194361/post-space-preparation-timing-of-root-canals-sealed-with-ah-plus-sealer
#19
Hae-Ri Kim, Young Kyung Kim, Tae-Yub Kwon
OBJECTIVES: To determine the optimal timing for post space preparation of root canals sealed with epoxy resin-based AH Plus sealer in terms of its polymerization and influence on apical leakage. MATERIALS AND METHODS: The epoxy polymerization of AH Plus (Dentsply DeTrey) as a function of time after mixing (8, 24, and 72 hours, and 1 week) was evaluated using Fourier transform infrared (FTIR) spectroscopy and microhardness measurements. The change in the glass transition temperature (Tg ) of the material with time was also investigated using differential scanning calorimetry (DSC)...
February 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28194360/retreatability-of-two-endodontic-sealers-endosequence-bc-sealer-and-ah-plus-a-micro-computed-tomographic-comparison
#20
Enrique Oltra, Timothy C Cox, Matthew R LaCourse, James D Johnson, Avina Paranjpe
OBJECTIVES: Recently, bioceramic sealers like EndoSequence BC Sealer (BC Sealer) have been introduced and are being used in endodontic practice. However, this sealer has limited research related to its retreatability. Hence, the aim of this study was to evaluate the retreatability of two sealers, BC Sealer as compared with AH Plus using micro-computed tomographic (micro-CT) analysis. MATERIALS AND METHODS: Fifty-six extracted human maxillary incisors were instrumented and randomly divided into 4 groups of 14 teeth: 1A, gutta-percha, AH Plus retreated with chloroform; 1B, gutta-percha, AH Plus retreated without chloroform; 2A, gutta-percha, EndoSequence BC Sealer retreated with chloroform; 2B, gutta-percha, EndoSequence BC Sealer retreated without chloroform...
February 2017: Restorative Dentistry & Endodontics
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