Ricucci 2018 showed that 83% of teeth with a chronic abscess had an extraradicular
biofilm component, which was usually accompanied by?
Intraradicular biofilm / infection
(T/F) According to (Farzaneh 2018) up to 3 days following root canal treatment, irrigating with 6.25% NaOCl was associated with significantly less pain that 2.5% NaOClconcentration.
Bukhari et al (JOE 2016), showed what percentage of complete healing with evascularization cases done at UPenn?
In an in vitro study done by Ghabraei (2018), 16 ug/ml was the minimum inhibitory Triple Antibiotic Paste concentration needed for E. Faecalis, what was the length of time needed to completely eliminate E Faecalis in this study?
B) 7 Days
T/F) MTA shows a high success rate for root end filling material, but shows no
difference when compared to IRM at the 1-2 year mark (Chong IEJ 2003)
Largely based on in vitro studies, CBCT out-performs traditional radiographs in the detection of vertical root fractures in (filled/unfilled) teeth, but in (filled/unfilled) teeth they are about even.
Unfilled / Filled
What concentration of triple and double antibiotic paste does not effect the viability of dental pulp stem cells while effectively reducing, but not eradicating an established E. faecalis biofilm?
(T/F) The use of 20% benzocaine as a topical anesthetic is more effective than a placebo at
reducing pain from posterior superior alveolar nerve blocks.
In a symptomatic mandibular molar a Gow-Gates nerve block used in combination with an inferior alveolar nerve block (70%), increases success versus Gow-Gates (40%) and inferior alveolar (44%) nerve blocks alone, however _____ _____ will likely still be needed.
(T/F) Inadequate root fillings double the risk of apical periodontitis.
According to this study by Khojastepour, where is the most common location of the mental foramen in the population of Shiraz, Iran? (Khojastepour L., et al. IEJ 2015)
B. Anterolaterally to the apex of the 2nd premolar
(T/F) Orthograde retreatment combined with apical surgery and retrograde root canal filling provides the best results? (Friedman S., Endodontic Topics 2005)
What irrigant (from the current irrigation protocol for regenerative endodontics adopted by the AAE) in conjunction with either 1.5% NaOCl or 2.5% NaOCl has been shown to release transforming growth factors? (Zeng Q., et al. JOE 2016)
Which anesthetic has been shown to be more effective for supplementary infiltrations after a mandibular block in patients with symptomatic irreversible pulpitis? (Kung J., JOE 2015)
(T/F) 3.6 mL of 4% articaine 1:100k epi is more effective than 1.8 mL of 4% articaine 1:100k epi as supplementary infiltration after a failed IANB. (Singla M., et al. IEJ 2015)
According to Farzaneh, S. Et al, 5.25% NaOCl was associated with significantly (more or less) post-operative pain when compared to 2.5% NaOCl during the first 72hrs following one-visit root canal treatment of mandibular molars with irreversible pulpitis?
Regarding supplemental intraligamentary injections and how they affect the anasthetic success rate after a failed primary inferior alveolar nerve block, Aggarwal, V. Et al suggested:
A. Increase the Volume
According to Kanagasingam, S. Et al., when should a CBCT scan be considered?
CBCT scan should only be considered if the three-dimensional images would potentially provide essential information for accurate diagnosis, not readily apparent from Periapical radiography.
According to Jespersen, J. Et al, Endo Ice and EPT are reliable methods of pulp vitality determination. Endo Ice has an accuracy of ___ and EPT has an accuracy of ___.
(T/F) According to Brady et al., periapical radiographs and CBCT were both found to be unreliable for the detection of stimulated incomplete VRFs
According to a study by ____________, pyrosequencing suggests post-treatment endodontic disease may be caused by a more diverse bacterial population than what has been reported in previous studies with a high prevalence of ____________ and ____________.
According to a case report by Kreena Patel in 2016, what viral infection caused pulp necrosis and apical periodontitis in the absence of bacteria?
Based on the conclusions from a prospective, randomized, double-blind study by Cook from The Ohio State University regarding IANB with 4% prilocaine plain, which of the following statements are true?
a. It is more effective than 2% lidocaine w/ 1:100k epi
b. The combination of 1 cartridge 4% prilocaine with 1 cartridge 2% lidocaine w/ 1:100k epi is more effective than 2 cartridges of 2% lidocaine 1:100k epi.
c. There is no difference in anesthetic success between the combination of 1 cartridge 4% prilocaine with 1 cartridge 2% lidocaine w/ 1:100k epi versus 2 cartridges of 2% lidocaine w/1:100k epi.
d. Pain associated with anesthetic deposition was significantly less with 4% prilocaine plain compared to 2% lidocaine w/ 1:100k epi.
Who authored a systematic review, published in JADA in 2016, that supported the use
of NSAIDs as the drug of choice for endodontic pain control pre and post-operatively?
According to a prospective cohort study by ___________& ____________ from Penn,
teeth that were determined to be healed at 1-year after apicoectomy showed a success rate of ________% at 5-7 years.
Rubenstein & Kim
The addition of selective troughing and CBCT imaging increases the number of MB2 canals located. However, the effectiveness of CBCT alone over use of microscope and selective troughing appears________. ______ of Max 1 st molars and 73% of Max 2 nd molars were identified as having MB2 canals using magnification, troughing and CBCT. (Parker et al, 2016 IEJ)
In a systematic review in 2010, what did Tsesis conclude about use of CBCT in detecting of VRF?
In a systematic review, Tsesis et al. (2010) concluded that evidence-based data concerning the accuracy and effectiveness of clinical and radiographic dental evaluation for the diagnosis of VRFs in root filled teeth were lacking.
Who found that there is no difference in post operative pain after endodontic treatment in necrotic molars with radiographic apical periodontitis with regards to maintaining patency or not maintaining patency?
Arora et al. IEJ 2016.
In the presence of metal post or gutta percha CBCT does not improve the diagnosis of complete or incomplete root fracture due to_______________. In cases of fiber post or empty canals, a higher dose imaging modality is recommended to increase diagnostic accuracy, since artifacts are low or absent (_________, JOE 2014)
Significant presence of artifacts
What percent of biopsy lesions did Kontogaiannis found to be of non-sequalae of pulpal necrosis? Which non-SPN lesion is the lesion that most commonly mimics SPN?