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https://www.readbyqxmd.com/read/28727472/relieving-dry-mouth-varying-levels-of-ph-found-in-bottled-water
#1
Bailey Jean Fisher, Angela Spencer, Van Haywood, Gayathri Konchady
It is estimated that 30% of people older than 60 years suffer from hyposalivation or dry mouth. Drinking water frequently has been recommended as a safe, non-pharmacologic way to combat hyposalivation. The saliva in patients with dry mouth is acidic. Beverages consumed daily may have an erosive potential on teeth. The pH and the mineral content of the beverage determine its erosive potential. An acidic beverage, therefore, may have harmful effects on mineralized tooth structures, causing erosion of enamel, dentin, and cementum...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727465/clinical-management-of-type-3-recession-defects-with-immediate-implant-and-provisional-restoration-therapy-a-case-report
#2
Dennis P Tarnow, Stephen J Chu
Type 3 extraction sockets present a unique challenge in that they possess gingival recession indicative of facial hard- and soft-tissue loss. When teeth present with prior disease requiring removal and implant replacement, the treatment strategy incorporates palatal implant positioning as well as proper restorative contour management to compensate for the recession defect, thereby allowing the gingival tissues to heal in the correct 3-dimensional position. This article describes the case of a patient with a nonrestorable maxillary right central incisor with internal resorption...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727462/tridimensional-reconstruction-of-a-complex-iatrogenic-defect-using-orthodontic-forced-eruption-and-minimally-invasive-bone-grafting
#3
Ernesto A Lee
As the use of dental implants has become more common, so has the frequency of complications and unforeseen outcomes. This article describes the treatment of a complex iatrogenic defect secondary to a failed implant (No. 7) and multiple bone-grafting attempts in the maxillary anterior region. The patient's revealing smile line and high-risk circumstances demanded the use of an interdisciplinary treatment approach with high potential for predictable esthetic results. Forced eruption was performed to restore the alveolar height deficit and develop the compromised hard and soft tissues around teeth Nos...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727410/exosomes-mediate-epithelium-mesenchyme-crosstalk-in-organ-development
#4
Nan Jiang, Lusai Xiang, Ling He, Guodong Yang, Jinxuan Zheng, Chenglin Wang, Yimei Zhang, Sainan Wang, Yue Zhou, Tzong-Jen Sheu, Jiaqian Wu, Kenian Chen, Paulo G Coelho, Nicky M Tovar, Shin Hye Kim, Mo Chen, Yan-Heng Zhou, Jeremy J Mao
Organ development requires complex signaling by cells in different tissues. Epithelium and mesenchyme interactions are crucial for the development of the skin, hair follicles, kidney, lungs, prostate, major glands and the teeth. Despite myriad literature on cell-cell interactions and ligand-receptor binding, the roles extracellular vesicles in epithelium-mesenchyme interactions during organogenesis are poorly understood. Here, we discovered that ~100 nm exosomes were secreted by the epithelium and mesenchyme of a developing tooth organ, and diffused through the basement membrane...
July 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28725453/development-of-an-implementation-intention-based-intervention-to-change-children-s-and-parent-carers-behaviour
#5
Karen Davies, Christopher J Armitage, Yin-Ling Lin, James Munro, Tanya Walsh, Peter Callery
BACKGROUND: Implementation intentions enable individuals to translate good intentions into action. Parents and children can find maintaining oral health difficult, as evidenced by the presence of tooth decay. This is a common condition in children in spite of being preventable through the use of regular tooth brushing, fluoride protection and avoiding sugar intake. Even when parents and children are positive about looking after the teeth, they can face challenges in maintaining consistent habits...
2018: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28725127/assessment-of-the-influence-of-gender-and-skin-color-on-the-preference-of-tooth-shade-in-saudi-population
#6
Nawaf Labban, Hanan Al-Otaibi, Abdulaziz Alayed, Khaled Alshankiti, Mohammad A Al-Enizy
AIM: The aim of the study was to evaluate the influence of gender and skin color on the preference of different teeth shades in general population. MATERIALS AND METHODS: Two standardized frontal smile photographs of male and female subjects were manipulated using photoshop to represent 4 skin colors [(type II, III, IV, and V) (Fitzpatrick scale)]. The teeth shades under each skin color were digitally manipulated to represent one of 6 teeth shades (BL1, BL2, BL3, BL4, B1 and A1)...
July 2017: Saudi Dental Journal
https://www.readbyqxmd.com/read/28724863/factors-associated-with-number-of-present-teeth-in-adults-in-japanese-urban-city
#7
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
#8
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/28724859/relationship-between-interdental-spacing-and-colonization-by-streptococcus-mutans-in-children
#9
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/28724785/orthodontic-treatment-induced-temporal-alteration-of-jaw-opening-reflex-excitability
#10
Au Sasaki, Naoya Hasegawa, Kazunori Adachi, Hiroshi Sakagami, Naoto Suda
The impairment of orofacial motor function during orthodontic treatment is need to be addressed, since most of orthodontic patients experience pain and motor excitability would be affected by pain. In the present study, the temporal alteration of the jaw-opening reflex excitability was investigated to determine if orthodontic treatment affects orofacial motor function. The excitability of jaw-opening reflex evoked by electrical stimulation on the gingiva and recorded bilaterally in the anterior digastric muscles was evaluated at one (D1), three (D3) and seven (D7) days after orthodontic force application to the teeth of right side, morphological features (e...
July 19, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28722004/oral-gingival-metastasis-a-diagnostic-dilemma
#11
Nalini Aswath, Chandrakanth Balakrishnan, Vidyarani Shyamsundar, Sarumathi Thirrugnanamurthy
Oral cavity is a rare target for metastasis with an incidence of 1% among all oral cancers. In 24% of such cases, oral metastasis is the first indication of an undiagnosed primary. Metastatic oral malignancies have been reported in the mandible, tongue, and gingiva. Although gingival metastasis has been reported from lung, prostate, rectal carcinoma in men and carcinoma of breast, adrenal glands, and genitalia in females, gingival metastasis from carcinoma of the penis has not been reported. Herein, a case of metastatic gingival carcinoma that developed after extraction of teeth from primary carcinoma of the penis is presented...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28722002/report-of-occurrence-and-endodontic-management-of-three-rooted-maxillary-first-and-second-premolars-in-the-same-individual
#12
Kothandaraman Sathyanarayanan, Manali Ramakrishnan Srinivasan, Sundaresan Balagopal, Lingeswaran Poornima
Anatomical variations should be kept in mind in clinical and carefully looked for in radiographic evaluation during endodontic treatment of maxillary premolars. These teeth have highly variable root canal morphology. Although three separate roots in the maxillary first premolars have been reported, it is a rarity to find both the first and second premolars possessing three separate roots. This case report describes the diagnosis and endodontic management of maxillary first and second premolars with three canals and three separate roots...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28721996/open-reduction-and-internal-fixation-screw-injury-retrospective-study
#13
Preetha Balaji, S M Balaji
BACKGROUND/AIMS: Open reduction and internal fixation (ORIF) is a standard surgical procedure in jaw trauma and in orthognathic surgery. Insertion of screws is a significant risk for accidental tooth root injury with varying outcomes. Contrary evidences are found in literature due to a variety of study designs. This study was undertaken to address the lacunae and possibly estimate the difference in occurrence of tooth damage during or after ORIF between trauma and planned osteotomies...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28721820/epigenetic-regulations-in-the-pathogenesis-of-periodontitis
#14
Yu Luo, Xian Peng, Dingyu Duan, Chengcheng Liu, Xin Xu, Xuedong Zhou
Periodontitis is a multifactorial infectious disease that affects a large population worldwide. It involves progressive alveolar bone loss, and if left untreated, can lead to the loosening and subsequent loss of teeth. Oral microorganisms and susceptible host have been proposed to be the prerequisite for the development of periodontitis. Aberrant host immune response is the key factor that leads to the destruction of periodontal tissues. Recently, the involvement of epigenetic modifications in the development of periodontitis has attracted increasing attentions...
July 18, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28721527/fesem-evaluation-of-smear-layer-removal-using-different-irrigant-activation-methods-endoactivator-endovac-pui-and-lai-an-in-vitro-study
#15
Manuele Mancini, Loredana Cerroni, Lorenzo Iorio, Lorenzo Dall'Asta, Luigi Cianconi
OBJECTIVES: This study was to compare the efficacy of EndoActivator, EndoVac, PUI, and LAI methods in removing the smear layer from root canals. MATERIALS AND METHODS: Eighty single-rooted mandibular premolars were decoronated to a standardized length of 15 mm. Specimens were shaped to ProTaper F4 (Dentsply Maillefer) and irrigated with 5.25% NaOCl at 37 °C. Teeth were divided into six groups (two control groups [n = 10] and four test groups [n = 15]) according to the final irrigation activation/delivering technique (sonic irrigation [EndoActivator], passive ultrasonic irrigation [PUI], negative apical pressure [EndoVac], and laser activated irrigation [LAI])...
July 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28721433/oral-health-and-the-frail-elderly
#16
L Rapp, S Sourdet, B Vellas, M-H Lacoste-Ferré
INTRODUCTION: The relationships between oral health conditions and frailty have rarely been explored. A systematic review of frailty components and oral health concluded that differences in study population endpoint criteria and study design cannot establish a relationship between frailty and oral health. OBJECTIVE: This study aims to describe the distribution of the OHAT (Oral Health Assessment Tool) score in a population of frail subjects and to assess associated parameters (age, socio-economic status, living conditions, education level, nutritional habits, cognitive functioning, autonomy)...
2017: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/28721329/effect-of-different-crown-materials-on-the-interleukin-one-beta-content-of-gingival-crevicular-fluid-in-endodontically-treated-molars-an-original-research
#17
Prathibha Saravanakumar, Padmanabhan Thallam Veeravalli, Anand Kumar V, Kasim Mohamed, Umamaheswari Mani, Manita Grover, Saravanan Thirumalai Thangarajan
INTRODUCTION: Crown materials used in fixed prosthodontics come into close and prolonged contact with the gingiva. OBJECTIVE: The purpose of this study was to evaluate the effect of different crown materials on the interleukin-one beta (IL-1β) content of the gingival crevicular fluid and to study which crown material causes the highest inflammation on the marginal gingiva on a biochemical basis. MATERIALS AND METHODS: Twenty patients with single endodontically treated tooth were examined...
June 16, 2017: Curēus
https://www.readbyqxmd.com/read/28720338/complete-denture-fabrication-using-piezography-and-cad-cam-a-clinical-report
#18
Chikahiro Ohkubo, Hidemasa Shimpo, Ai Tokue, Eun-Jin Park, Tae Hyung Kim
To provide maxillary and mandibular complete dentures for a patient with severe ridge resorption, the denture space was recorded using the piezography technique. After the piezographic space was scanned, a virtual tooth arrangement and festooning were performed within the space using computer-aided design software. The denture bases were milled from a polymethylmethacrylate resin block using computer-aided manufacturing, and commercially available denture teeth were bonded with resin adhesive. Using the piezography technique described, physiologically appropriate complete dentures were fabricated based on the neutral zone concept...
July 15, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28720214/-hypophosphatasia-clinical-manifestations-diagnostic-recommendations-and-therapeutic-options
#19
Gabriel A Martos-Moreno, Joan Calzada, María L Couce, Jesús Argente
Hypophosphatasia is a very rare bone metabolism disorder caused by a deficiency in alkaline phosphatase activity, due to mutations in the ALPL gene. Its clinical hallmark is the impairment of skeletal and teeth mineralisation, although extra-skeletal manifestations are frequent. Its phenotypic spectrum is widely variable from a subtype with exclusive odontological impairment (odontohypophosphatasia) to five subtypes with systemic involvement, classified according to the age at the onset of the first symptoms (four of them in the paediatric age range: perinatal lethal, perinatal benign, infant and childhood hypophosphatasia)...
July 15, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28718921/homology-homoplasy-and-cusp-variability-at-the-enamel-dentine-junction-of-hominoid-molars
#20
Alejandra Ortiz, Shara E Bailey, Jean-Jacques Hublin, Matthew M Skinner
Evolutionary studies of mammalian teeth have generally concentrated on the adaptive and functional significance of dental features, whereas the role of development on phenotypic generation and as a source of variation has received comparatively little attention. The present study combines an evolutionary biological framework with state-of-the-art imaging techniques to examine the developmental basis of variation of accessory cusps. Scholars have long used the position and relatedness of cusps to other crown structures as a criterion for differentiating between developmentally homologous and homoplastic features, which can be evaluated with greater accuracy at the enamel-dentine junction (EDJ)...
July 18, 2017: Journal of Anatomy
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