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https://www.readbyqxmd.com/read/29160401/fluoride-varnishes-against-dental-erosion-caused-by-soft-drink-combined-with-pediatric-liquid-medicine
#1
Adílis Kalina Alexandria, Ana Maria Gondim Valença, Lúcio Mendes Cabral, Lucianne Cople Maia
The present study evaluated the effect of NaF and CPP-ACP/NaF varnishes to reduce erosion produced by soft drink (SD) combined or not with pediatric liquid medicine. Enamel specimens were pre-treated with fluoride varnish, according to the following groups: NaF varnish (Duraphat®) or CPP-ACP/NaF varnish (MI varnishTM). Two types of erosive cycles were made: by soft drink erosion (SDE) or by pediatric liquid medicine plus soft drink erosion (PLM/SDE). Bovine enamel specimens were randomly assigned in six groups (n=10): G1=NaF + SDE; G2=CPP-ACP/NaF + SDE; G3=Distilled and deionized (DD) water + SDE; G4=NaF + PLM/SDE; G5=CPP-ACP/NaF + PLM/SDE and G6=DD water + PLM/SDE...
July 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29160395/tooth-loss-in-patients-under-periodontal-maintenance-in-a-private-practice-a-retrospective-study
#2
Amanda Finger Stadler, Marina Mendez, Rui Vicente Oppermann, Sabrina Carvalho Gomes
The aim of the present study was to evaluate the incidence and causes of tooth loss in periodontal subjects from a private practice in Brazil. Two trained examiners extracted data from the records of subjects who sought periodontal treatment from 1980 to 2013. Only records of patients who completed the non-surgical periodontal treatment and had at least one visit for maintenance were included. Data were analyzed by chi-square test, Student's t-test, Kaplan-Meier survival curve and Cox regression. A total of 3,319 records were reviewed and 737 records included (58...
July 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29159806/the-evolution-of-bite-force-in-horned-lizards-the-influence-of-dietary-specialization
#3
Jay J Meyers, Kiisa C Nishikawa, Anthony Herrel
Dietary specialization is an important driver of the morphology and performance of the feeding system in many organisms, yet the evolution of phenotypic specialization has only rarely been examined within a species complex. Horned lizards are considered primarily myrmecophagous (ant eating), but variation in diet among the 17 species of horned lizards (Phrynosoma) makes them an ideal group to examine the relationship between dietary specialization and the resultant morphological and functional changes of the feeding system...
November 21, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/29155538/aetiological-histopathological-clinical-diagnostic-and-therapeutical-features-of-idiopathic-cervical-resorption
#4
Virginia Robles Gijón, Cristina Lucena Martín, Rosa Mª Pulgar Encinas, José Manuel Navajas
Root resorption is the loss of hard dental tissue as a result of odontoclastic action involving vital and pulpless teeth. Cervical root resorption (CRR) is a type of external resorption which usually occurs immediately below the epithelial attachment of the tooth in the cervical region. The idiopathic cervical resorption (ICR) refers to a clinical situation in which all other causes, whether local or systemic, have been ruled out as the origin of the disease. The early stage is asymptomatic and might be diagnosed by a routine radiograph or a clinical examination...
December 2016: Dental Update
https://www.readbyqxmd.com/read/29151540/japanese-cardiovascular-disease-patients-with-diabetes-mellitus-suffer-increased-tooth-loss-in-comparison-to-those-without-diabetes-mellitus-a-cross-sectional-study
#5
Norio Aoyama, Jun-Ichi Suzuki, Naho Kobayashi, Tomoya Hanatani, Norihiko Ashigaki, Asuka Yoshida, Yuka Shiheido, Hiroki Sato, Hidetoshi Kumagai, Yuichi Ikeda, Hiroshi Akazawa, Issei Komuro, Masato Minabe, Yuichi Izumi, Mitsuaki Isobe
Objective Tooth loss is an irreversible condition that reflects the end-stage of oral diseases, including periodontitis. Although periodontitis is a major factor in the progression of diabetes mellitus (DM) and cardiovascular disease (CVD), no previous studies have compared tooth loss in CVD patients with and without DM. Methods The subjects included CVD patients with (n=94) and without (n=145) DM who attended Tokyo Medical and Dental University hospital. Blood examinations and periodontal measurements were performed...
November 20, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29149107/treponema-denticola-chymotrypsin-like-proteinase-may-contribute-to-orodigestive-carcinogenesis-through-immunomodulation
#6
Mikko T Nieminen, Dyah Listyarifah, Jaana Hagström, Caj Haglund, Daniel Grenier, Dan Nordström, Veli-Jukka Uitto, Marcela Hernandez, Tülay Yucel-Lindberg, Taina Tervahartiala, Mari Ainola, Timo Sorsa
BACKGROUND: Periodontal pathogens have been linked to oral and gastrointestinal (orodigestive) carcinogenesis. However, the exact mechanisms remain unknown. Treponema denticola (Td) is associated with severe periodontitis, a chronic inflammatory disease leading to tooth loss. The anaerobic spirochete Td is an invasive bacteria due to its major virulence factor chymotrypsin-like proteinase. Here we aimed to investigate the presence of Td chymotrypsin-like proteinase (Td-CTLP) in major orodigestive tumours and to elucidate potential mechanisms for Td to contribute to carcinogenesis...
November 16, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29148597/three-dimensional-analysis-of-bone-remodeling-following-ridge-augmentation-of-compromised-extraction-sockets-in-periodontitis-patients-a-randomized-controlled-study
#7
Mario Aimetti, Valeria Manavella, Lisa Corano, Elena Ercoli, Cristina Bignardi, Federica Romano
OBJECTIVES: The aim of this study was to analyze linear and volumetric hard tissue changes in severely resorbed alveolar sockets after ridge augmentation procedure and to compare them with spontaneous healing using three-dimensional cone beam computed tomography (CBCT). MATERIAL AND METHODS: Thirty patients (mean age 53.2 ± 6.3 years) requiring tooth extraction for advanced periodontitis were randomly allocated to test and control groups. The test sites were grafted using a collagenated bovine-derived bone (DBBM-C) covered with a collagen membrane, while control sites had spontaneous healing...
November 17, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29144892/preventable-tooth-loss-in-hawai-i-the-role-of-socioeconomic-status-diabetes-and-dental-visits
#8
Mikako Deguchi, Marjorie K Leimomi Mala Mau, James Davis, Richard Niederman
INTRODUCTION: Tooth preservation in adults and children is one of the Healthy People 2020 goals for oral health. Although the overall prevalence of tooth loss has been declining in the United States, substantial racial/ethnic differences in preventable tooth loss persist as a public health problem. We examined the strength of the association of health risk factors and tooth loss in Hawai'i. METHODS: We used data from the Hawai'i Behavioral Risk Factor Surveillance System survey collected from 2011 through 2014...
November 16, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/29143569/prevalence-of-temporomandibular-symptoms-and-parafunctional-habits-in-a-university-dental-clinic-and-association-with-gender-age-and-missing-teeth
#9
Georgios S Chatzopoulos, Miguel Sanchez, Alejandro Cisneros, Larry F Wolff
Objective To assess the prevalence of symptoms of temporomandibular disorder (TMD) and parafunctional habits as well as to investigate their association with age, gender, and number of missing teeth. Methods This retrospective study is based on 4204 randomly selected patients who were examined to determine their symptoms of TMD, such as clicking, difficulty chewing, difficulty opening/closing, as well self-reported joint pain and parafunctional habits. Results Clenching/grinding was reported by 26.5% of the examined population, clicking by 14...
November 16, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29140581/comparison-of-long-term-outcomes-between-pull-through-resection-and-mandibular-lip-split-surgery-for-t4a-tongue-floor-of-mouth-cancers
#10
Shih-Jung Cheng, Hui-Hsin Ko, Jang-Jaer Lee, Sang-Heng Kok
BACKGROUND: The purpose of this study was to determine whether the pull-through resection is better than the mandibular lip-split for advanced tongue/floor of mouth (FOM) cancers, which remains inconclusive. METHODS: A retrospective cohort study was performed on 91 patients with T4a tongue/FOM cancers from 2009 to 2014. Cases with mandibular resection were excluded. The pull-through resection was used when the mouth opening was ≥15 mm; otherwise the mandibular lip-split was used...
November 15, 2017: Head & Neck
https://www.readbyqxmd.com/read/29140387/full-mouth-rehabilitation-with-calvarium-bone-grafts-and-dental-implants-for-a-papillon-lef%C3%A3-vre-syndrome-patient-case-report
#11
Bassam M Kinaia, Kristyn Hope, Ahmed Zuhaili, Jean Francois Tulasne
Papillon-Lefèvre syndrome (PLS) is a rare autosomal recessive disorder of keratinization associated with palmoplantar keratoderma and severe periodontitis resulting in complete edentulism in late adolescence. The pathognomonic dental features of PLS are pathologic migration, hypermobility, and exfoliation of the teeth without any signs of root resorption. It has been suggested that an effective way to treat PLS patients presenting early in the disease progression is extraction of the erupted primary dentition or hopeless permanent teeth followed by antibiotic coverage with periodontal therapy for the remaining teeth...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140379/seven-year-follow-up-of-full-arch-prostheses-supported-by-four-implants-a-prospective-study
#12
Karen Vaz Ayub, Eduardo Antônio Ayub, Accácio Lins do Valle, Gerson Bonfante, Thiago Pegoraro, Luiz Fernando
PURPOSE: To evaluate biologic and prosthetic outcomes of implant-supported mandibular full-arch fixed prostheses treated with the All-on-4 treatment concept after 7 years. MATERIALS AND METHODS: Patients were selected to receive full-arch fixed immediate prostheses supported by four implants up to 72 hours after surgery. The following biologic aspects were evaluated: Plaque Index (PI) and Bleeding Index (BI), implant stability by resonance frequency, and marginal bone loss (MBL) measured with the aid of periapical radiographs...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140096/redesigning-existing-provisional-restorations-while-maintaining-established-transmucosal-anatomy-in-a-multi-implant-system-natural-tooth-full-arch-case
#13
Michael A Weiss, Barry P Levin, Kevan S Green
Redesigning existing provisional restorations when a combination of two different implant systems and natural teeth exist in the same arch can be challenging. Problems such as acrylic locking into undercuts and loss of spatial landmarks both subgingivally and supragingivally are common concerns for the practitioner. Two techniques, presented herein, offer treatment options to retain the previously developed transmucosal anatomies of implant-level provisional abutments while allowing for redesign of the clinical crown component of the same long-term provisional restorations...
November 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/29140093/early-diagnosis-and-treatment-of-asymptomatic-vertical-enamel-and-dentin-cracks
#14
Samer S Alassaad
Asymptomatic vertical enamel and dentin cracks can lead to multiple pathologic consequences ranging from caries to pulpal involvement, periodontal involvement, complete tooth fracture, and tooth loss if intervention is postponed. Early diagnosis, using magnification, tactile examination, transillumination, and dyes, and early restorative and occlusal treatments can be incorporated into daily practice to prevent further crack propagation before asymptomatic cracks become symptomatic and cause further damage to the dentition and surrounding tissues...
November 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/29139559/associations-among-tooth-loss-systemic-inflammation-and-antibody-titers-to-periodontal-pathogens-in-japanese-patients-with-cardiovascular-disease
#15
N Aoyama, J-I Suzuki, N Kobayashi, T Hanatani, N Ashigaki, A Yoshida, Y Shiheido, H Sato, M Minabe, Y Izumi, M Isobe
BACKGROUND AND OBJECTIVE: It is well known that there is a strong relationship between periodontitis and cardiovascular disease (CVD). Tooth loss reflects an end-stage condition of oral diseases, such as periodontitis. Infection with specific periodontal pathogens is known as a possible factor that influences development of CVD. The aim of this study was to assess the relationship between the number of residual teeth and systemic inflammatory conditions in patients with CVD. MATERIAL AND METHODS: We divided 364 patients with CVD into four groups, according to the number of residual teeth: (i) ≥20 teeth; (ii) 10-19 teeth; (iii) 1-9 teeth; and (iv) edentulous...
November 15, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29139168/hunter-gatherer-dental-pathology-do-historic-accounts-of-aboriginal-australians-correspond-to-the-archeological-record-of-dental-disease
#16
Judith Littleton
OBJECTIVES: Studies of hunter-gatherer oral pathology, particularly in Australia, often focus upon dental wear and caries or assume that historic studies of Aboriginal people reflect the precontact past. Consequently the range of population variation has been underestimated. In this paper dental pathology from human remains from Roonka are compared with a model of dental pathology derived from historic studies. The aim is to identify aspects of dental pathology indicative of regional or intra-population diversity...
November 15, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29136013/monomer-conversion-dimensional-stability-strength-modulus-surface-apatite-precipitation-and-wear-of-novel-reactive-calcium-phosphate-and-polylysine-containing-dental-composites
#17
Kanokrat Kangwankai, Sarah Sani, Piyaphong Panpisut, Wendy Xia, Paul Ashley, Haralampos Petridis, Anne Margaret Young
PURPOSE: The aim was to assess monomer conversion, dimensional stability, flexural strength / modulus, surface apatite precipitation and wear of mono / tri calcium phosphate (CaP) and polylysine (PLS)-containing dental composites. These were formulated using a new, high molecular weight, fluid monomer phase that requires no polymerisation activator. MATERIALS AND METHODS: Urethane and Polypropylene Glycol Dimethacrylates were combined with low levels of an adhesion promoting monomer and a light activated initiator...
2017: PloS One
https://www.readbyqxmd.com/read/29134232/skeletally-anchored-mesialization-of-molars-using-digitized-casts-and-two-surface-matching-approaches-analysis-of-treatment-effects
#18
Kathrin Becker, Benedict Wilmes, Chantal Grandjean, Sivabalan Vasudavan, Dieter Drescher
PURPOSE: To (1) quantify the three-dimensional treatment effect of a Mesialslider appliance using superimposed digital models, (2) to evaluate anchorage loss (measured by incisor displacement), and (3) to assess agreement between two different matching approaches, i.e., control point (CP)-based and iterative closest point (ICP) matching. METHODS: In a retrospective study, the effects of a skeletally anchored uni- and bilateral mesialization appliance (Mesialslider) as well as simultaneous mesialization and distalization appliance (Mesio-Distalslider) were evaluated in 48 subjects (aged 11-53 years)...
November 13, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29132069/risk-factors-for-tooth-loss-in-middle-and-older-age-after-up-to-10-years-an-observational-cohort-study
#19
Alexander Jochen Hassel, Volkan Safaltin, Sabine Grill, Johannes Schröder, Hans-Werner Wahl, Anna-Luisa Klotz, Edriss Habibi, Peter Rammelsberg, Andreas Zenthöfer
OBJECTIVE: The objective of this research was to identify risk factors for tooth loss in two birth cohorts, quinquagenarians and septuagenarians, after up to 10 years of clinical observation. DESIGN: One hundred and twenty-three participants were recruited from the Interdisciplinary Study of Adult Development (ILSE) and examined at baseline and up to 10 years after. Thirty-nine and 84 participants belonged to the older (OC; born in 1930/32) cohort and younger (YC; born in 1950/52) cohort, respectively...
November 6, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29126690/evaluation-of-peri-implant-bone-levels-and-soft-tissue-dimensions-around-zirconia-implants-a-three-year-follow-up-study
#20
K Kniha, K A Schlegel, H Kniha, A Modabber, F Hölzle, K Kniha
The aim of this study was to measure bone levels around zirconia implants during follow-up of up to 3 years. Additionally, the effect of clinical contact point positions on the papilla deficit was evaluated. Eighty-one patients with 105 zirconia implants were examined at the 3-year follow-up. Bone levels were measured on the date of implant placement and at 3 months, 1year, and 3 years thereafter. Distances between the first bone-implant contact and the contact point of the crowns and between the bone level at the adjacent tooth and the contact point of the crowns were assessed...
November 7, 2017: International Journal of Oral and Maxillofacial Surgery
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