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Bulletin of Tokyo Dental College

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https://www.readbyqxmd.com/read/29269722/preliminary-study-of-temporal-change-in-free-flap-volume-after-tongue-reconstruction
#1
Taiki Suzuki, Ichiro Tanaka, Ryuta Osaka, Akira Baba, Kazumichi Sato, Tomohiro Yamauchi, Takeshi Nomura, Nobuo Takano
The purpose of this study was to investigate three-dimensionally temporal change in flap volume after free flap reconstructive surgery in tongue cancer patients. The results revealed an average change in flap volume of 82.3% at 1 year postoperatively. Change in tongue volume at approximately 6 months postoperatively showed a correlation with triglyceride levels. A correlation was also found between albumin levels and tongue volume at 1 year onwards postoperatively. The goal of such surgery in patients with tongue cancer is to reconstruct a functional tongue...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/29269721/orthodontic-treatment-for-bloch-sulzberger-syndrome-in-patient-with-cleft-lip-and-palate
#2
Kunihiko Nojima, Mayuko Onoda, Yasushi Nishii, Kenji Sueishi
We performed orthodontic treatment, fitted prostheses, and provided restorative treatment in a patient with Bloch-Sulzberger syndrome and cleft lip and palate during the early mixed dentition period. We report the case after a subsequent 6-year retention phase including the period of pubertal growth. A girl aged 8 years 4 months visited our hospital with the chief complaint of crowding of the anterior teeth and anterior crossbite. She had bilateral cleft lip, alveolus, and palate; a Class II molar relationship; winging of both the maxillary bilateral central incisors; and spacing in the mandibular anterior teeth arches...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/29269720/case-of-inverted-supernumerary-tooth-in-nasal-cavity
#3
Satoru Ogane, Akira Watanabe, Nobuo Takano, Takahiko Shibahara
The eruption of a tooth into the nasal cavity is a rare clinical entity. We report a case of an inverted supernumerary tooth in the nasal cavity. A 2-year-old boy was referred to our institution after examination at a local otorhinolaryngology department for otitis media. Radiological examination revealed a tooth-like structure in the right nasal cavity. The tooth was protruding from the floor of the nasal cavity along with granulation tissue. The diagnosis was an inverted tooth in the right nasal cavity. Forceps extraction was performed under general anesthesia...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/29269719/intentional-partial-pulpotomy-for-treatment-of-immature-permanent-maxillary-incisor-with-talon-cusp
#4
Keiichiro Tsujino, Seikou Shintani
We report the successful morphological correction of a maxillary lateral incisor with a talon cusp and the preservation of vital pulp by employing an intentional partial pulpotomy. A talon cusp is a comparatively rare morphological tooth anomaly that may cause multiple clinical problems. An 11-year-old girl was referred to our department for morphological correction of a maxillary lateral incisor with a talon cusp prior to orthodontic treatment. Following a detailed CT examination of the interior morphology, the abnormal cusp was resected and an intentional partial pulpotomy performed...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/29269718/treatment-of-severe-chronic-periodontitis-with-surgical-and-prosthetic-intervention-a-9-year-follow-up-case-report
#5
Asako Makino-Oi, Yoshihito Ishii, Kenshi Makino, Asako Kondo, Tomomi Uekusa, Yoichi Ishizuka, Sachiyo Tomita, Atsushi Saito
A 60-year-old woman presented with the chief complaint of mobility of tooth #16. Gingival swelling and calculus were observed. Clinical examination revealed that 49.4% of sites had a probing depth (PD) of ≥4 mm and 72% of sites bleeding on probing. Radiographic examination revealed vertical bone resorption in #35 and horizontal resorption in other regions. Periapical region radiolucency on #16 and 27 suggested a perio-endo lesion. The clinical diagnosis was severe chronic periodontitis. Initial periodontal therapy mainly comprised the following: oral hygiene instruction; quadrant scaling and root planing (SRP); extraction of #16, 27, and 31; and placement of provisional restorations...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/29269717/comparison-of-effect-of-oral-premedication-with-ibuprofen-or-dexamethasone-on-anesthetic-efficacy-of-inferior-alveolar-nerve-block-in-patients-with-irreversible-pulpitis-a-prospective-randomized-controlled-double-blind-study
#6
Maryam Bidar, Soheil Mortazavi, Maryam Forghani, Saeed Akhlaghi
The purpose of this prospective, randomized, double-blind, placebo-controlled study was to determine the effect of preoperative oral administration of ibuprofen or dexamethasone on the success rate of inferior alveolar nerve block (IANB) in patients with symptomatic irreversible pulpitis. Seventy-eight patients with irreversible pulpitis were randomly divided into 3 groups (26 per group) and given one of the following at 1 hr prior to performing local anesthesia: a placebo; 400 mg ibuprofen; or 4 mg dexamethasone...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/29269716/number-of-non-vital-teeth-as-indicator-of-tooth-loss-during-10-year-maintenance-a-retrospective-study
#7
Seitaro Suzuki, Koichi Yoshino, Atsushi Takayanagi, Seiichi Sugiyama, Masaki Okamoto, Masahiro Tanaka, Yoichi Ishizuka, Ryouichi Satou, Yuki Onose, Hideyuki Kamijo, Naoki Sugihara
The purpose of this study was to investigate whether number of non-vital teeth was an indicator of tooth loss during maintenance. Thirty-three general practitioners provided data on 321 patients undergoing maintenance over 10 years. The number of present teeth (PT), smoking status, level of bone loss, number of non-vital teeth, and reason for tooth loss during that period were investigated. Multiple logistic regression was performed to identify whether the number of non-vital teeth was associated with tooth loss...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/29269715/evaluation-of-chewing-movement-in-skeletal-class-iii-patients-with-orthognathic-treatment
#8
Heekyung Kim, Teruo Sakamoto, Hideharu Yamaguchi, Kenji Sueishi
The objective of this study was to clarify the influence of improvement in morphology on chewing movement in patients with skeletal reversed occlusion following orthognathic treatment. A total of 10 patients with skeletal class III reversed occlusion undergoing orthognathic treatment were included in the study. A number of parameters, including chewing rhythm, maximum opening and closing velocities, and opening distance during chewing of gum, were measured in a pre- (Pre) and post-treatment (Post) group. The laterality and stability of the measured items were then compared between the two groups and with those in another group of subjects with normal occlusion (Control)...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28724864/anatomic-and-histological-study-of-lingual-nerve-and-its-clinical-implications
#9
Yoshiaki Shimoo, Masahito Yamamoto, Masashi Suzuki, Masato Yamauchi, Akihiro Kaketa, Masaaki Kasahara, Masamitsu Serikawa, Kei Kitamura, Satoru Matsunaga, Shinichi Abe
Although the risk of injuring the lingual nerve in the mandibular molar area during dental treatment is high, it can be repaired by nerve grafting. However, from the perspective of clinical dentistry, the pathway and histomorphometric characteristics of this nerve remain to be documented in detail. The purpose of the present study was to morphologically elucidate the pathway of the lingual nerve to clarify its significance in a clinical setting. A histomorphometric analysis was also performed in consideration of nerve grafting...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28724863/factors-associated-with-number-of-present-teeth-in-adults-in-japanese-urban-city
#10
Tsukasa Kurahashi, Miki Kitagawa, Takashi Matsukubo
The purpose of this study was to identify which factors were associated with number of present teeth (PT) in older adults as their clarification might contribute to maintaining the number of PT in this population. These factors were investigated by means of a questionnaire on oral health condition, general health behavior, and anamnesis of diabetes mellitus together with a dental examination. Data were obtained from a total of 7,741 Japanese subjects (2,623 males and 5,118 females), all of whom were aged 40, 50, or 60 years...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28724862/clinical-and-radiographic-success-of-electrosurgical-pulpectomy-in-primary-teeth
#11
Rasoul Sahebalam, Alireza Sarraf, Hamid Jafarzadeh, Maryam Jouybari-Moghaddam, Samane Seyed-Musavi
A pulpectomy requires the swift extraction of the inflamed tissue. Moreover, the speed of treatment is especially important in the case of uncooperative children. Conventional pulpectomies, however, often require an extended treatment period, which can therefore cause problems with such patients. Electrosurgical methods have been applied to pulpotomies for a number of years. However, to the best of our knowledge, no studies to date have assessed its application to pulpectomies. The aim of this study was to compare clinical and radiographic success rates over a 6-month follow-up period between conventional and electrosurgical pulpectomies...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28724861/carcinoma-of-maxillary-gingiva-with-non-specific-cervical-lymph-node-swelling
#12
Masashi Migita, Shiro Shigematsu, Hitoshi Ohata, Takahiko Shibahara
Swelling of the cervical lymph nodes may indicate lymphadenitis, malignant lymphoma, or metastasis. Lymph nodes larger than 10 mm on computed tomography (CT) are strongly indicative of postoperative metastasis from carcinoma. Here, we report a case of large, inflamed lymph nodes mimicking metastasis. The patient was a 76-year-old woman who experienced discomfort in the left-side maxillary gingiva commencing in August 2011. By September, the area had become painful, causing her to visit the Tokyo Dental College Chiba Hospital, at which time a 75×50-mm swollen ulcer was observed in the maxillary gingiva on the left side...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28724860/new-approach-to-3d-printing-of-facial-prostheses-using-combination-of-open-source-software-and-conventional-techniques-a-case-report
#13
Nafij B Jamayet, Yap J Abdullah, Zainul A Rajion, Adam Husein, Mohammad K Alam
The wax sculpting of a maxillofacial prosthesis is challenging, time-consuming, and requires great skill. Rapid prototyping (RP) systems allow these hurdles to be overcome by enabling the creation of a customized 3D model of the desired prosthesis. Geomagic and Mimics are the most suitable software programs with which to design such prostheses. However, due to the high cost of these applications and the special training required to operate them, they are not widely used. Additionally, ill-fitting margins and other discrepancies in the final finished products of RP systems are also inevitable...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28724859/relationship-between-interdental-spacing-and-colonization-by-streptococcus-mutans-in-children
#14
Takuro Yonezu, Seikou Shintani
The purpose of this study was to investigate the relationship between interdental spacing in the upper incisors and other associated factors with colonization by Streptococcus mutans in children. A total of 47 children aged between 24 and 36 months with no decayed cavities were enrolled in the study. Models were obtained to evaluate interdental spacing in the upper anterior region. The relationships between S. mutans colonization and number of erupted teeth, interdental spacing, diet, and oral hygiene behavior were investigated...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28724858/antibacterial-effect-of-azadirachta-indica-neem-or-curcuma-longa-turmeric-against-enterococcus-faecalis-compared-with-that-of-5-sodium-hypochlorite-or-2-chlorhexidine-in-vitro
#15
Dakshita Joy Sinha, Kanwar D S Nandha, Natasha Jaiswal, Agrima Vasudeva, Shashi Prabha Tyagi, Udai Pratap Singh
The purpose of this study was to compare the antibacterial properties of Azadirachta indica (neem) or Curcuma longa (turmeric) against Enterococcus faecalis with those of 5% sodium hypochlorite or 2% chlorhexidine as root canal irrigants in vitro. The activity of neem, chlorhexidine, sodium hypochlorite, or turmeric against E. faecalis was measured on agar plates using the agar diffusion method. The tube dilution method was used to determine the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of the irrigants used...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28381737/alveolar-growth-in-japanese-infants-a-comparison-between-now-and-40-years-ago
#16
Hiroki Imai, Tetsuhide Makiguchi, Aiko Arakawa, Ayako Tashiro, Takuro Yonezu, Seikou Shintani
To investigate differences in alveolar growth during the primary dentition period among different age groups, dental arch width, length, and height were measured in 93 dental arch plaster models obtained from 4-year-olds born between 1968 and 1974, 88 from 5-year-olds born between 1968 and 1974 (70s group), 61 from 4-year-olds born between 2007 and 2009, and 56 from 5-year-olds born between 2006 and 2008 (2000s group). A comparison was also performed to determine whether there was any difference in change between 4 and 5 years of age...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28381736/relationship-between-time-from-full-pulpotomy-to-definitive-diagnosis-of-vertical-root-fracture-and-patient-age
#17
Koichi Yoshino, Koji Ito, Masahiko Kuroda, Naoki Sugihara
The goal of this study was to investigate length of time between full pulpotomy and a definitive diagnosis of vertical root fracture (VRF), as well as the age at which this was made. The participants comprised 63 dental patients (40 men and 23 women) with a mean age of 65.7±10.4 years in whom a definitive diagnosis of VRF had been made between July 2013 and June 2015, and who had also undergone a full pulpotomy. The data on all these cases were obtained from 22 dental clinics belonging to a clinical study group...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28381735/status-of-clinical-training-at-tokyo-dental-college-and-subsequent-career-pathway-focusing-on-training-facilities-and-programs
#18
Ryuichi Hisanaga, Toshiyuki Takahashi, Toru Sato, Mamoru Yotsuya, Akimasa Shinya, Nahoko Miyake
The goal of the present study was to clarify the status of training in clinical dentistry at training facilities belonging to Tokyo Dental College by investigating trainee quota fill rates and analyzing the relationship between selection of training program and subsequent career pathway. The trainees were divided into 4 groups based on career pathway after training: those entering graduate school; those becoming residents; those remaining at the college or hospital to take specialized clinical courses or for other purposes; and those starting work outside the college...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28381734/implant-supported-oral-rehabilitation-in-child-with-ectodermal-dysplasia-4-year-follow-up
#19
Thaisa Cezária Triches, Marcos Ximenes, João Gustavo Oliveira de Souza, Armando Rodrigues Lopes Pereira Neto, Antônio Carlos Cardoso, Michele Bolan
Ectodermal dysplasia (ED) is an anomaly determined by genetic factors that alter ectodermal structures such as skin, hair, nails, glands, and teeth. Children affected by this condition require extensive, comprehensive, and multidisciplinary treatment. An 8-year-old female patient visited the Dentistry Clinic of the Federal University of Santa Catarina with the chief complaint of multiple missing teeth. The mother reported that the patient had ED. Clinical and radiographic examination revealed the congenital absence of several primary and permanent teeth and tooth germs...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28381733/tooth-auto-transplantation-an-alternative-treatment
#20
Jawaad Ahmed Asif, Tahir Yusuf Noorani, Mohammad Khursheed Alam
Auto-transplantation is the repositioning of an autogenously erupted, partially erupted, or unerupted tooth from one site to another in the same individual. The purpose of this case report is to describe the auto-transplantation of the mandibular third molars as an alternative means of replacing second molars requiring extraction. An orthopantomogram revealed horizontal impaction of teeth #37 and 47 and mesio-angular impaction of teeth #38 and 48. Cone beam computed tomography revealed that the roots of #37 and 47 were in close proximity to the inferior alveolar canal bilaterally...
2017: Bulletin of Tokyo Dental College
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