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Journal of Oral Rehabilitation

Yuya Satokawa, Ichiro Minami, Noriyuki Wakabayashi
BACKGROUND: Oral appliances with an occlusal flat table are used as treatment dentures. However, the short-term effect of insertion of such oral appliances on chewing has not been reported. OBJECTIVE: This study aimed to determine whether experimental and continuous insertion of oral appliances with an occlusal flat table has an effect on chewing efficiency and Oral Health Impact Profile (OHIP) in healthy participants. METHODS: Ten participants each in the oral-appliance and control (no oral-appliance insertion) groups attended six data collection sessions for 5 consecutive days...
November 16, 2017: Journal of Oral Rehabilitation
Raissa Machado Marcello-Machado, Fernanda Faot, Alessandra Julie Schuster, Gustavo G Nascimento, Altair Antoninha Del Bel Cury
This study reviews the clinical and radiographic outcomes of Mini-implants (MI) and Narrow Diameter Implants (NDI) as mandibular overdenture (MO) retainers. Six databases were consulted for clinical studies that evaluated implants with diameter ≤ 3.5 mm. Data on the MI and NDI for survival and success rate and peri-implant bone loss and were collected and submitted to meta-analysis. Thirty-six studies were included, 24 reporting MI performance and 12 describing NDI results. The MI group comprised data from 1 cross-sectional clinical study, 3 retrospective longitudinal (RL) clinical studies, 13 prospective longitudinal (PL) clinical studies and 7 randomized clinical trials (RCT) with follow-up periods ranging from 1 day to 7 years...
November 10, 2017: Journal of Oral Rehabilitation
K Gjerde, S Lehmann, I F Naterstad, M E Berge, A Johansson
The aim of this study was to test if digitally registered use of a Mandibular Advancement Device (MAD) by a built-in thermal sensor was reliable compared to a self-reported diary of MAD use. Eighty consecutive patients referred to a specialist outpatient sleep medicine clinic (HUS) were recruited. Patients of both genders aged from 25 to 70 years with a diagnosis of mild to moderate or severe OSA, were included. All participants signed a written informed consent when they received the MAD. For the purpose of this reliability study, we found it sufficient to include the first 30 nights of MAD use in the reliability analysis...
November 1, 2017: Journal of Oral Rehabilitation
S Yamaguchi, C Okada, Y Watanabe, M Watanabe, Y Hattori
In a previous study, we used muscle functional magnetic resonance imaging to show that the anterior movement of the occlusal point increased the activity of the superior head of the ipsilateral lateral pterygoid muscle (ipsilateral SHLP) during unilateral single-tooth clenching. The purpose of this study was to verify the hypothesis that the increased activity of the ipsilateral SHLP described above serves to antagonise the occlusal force acting on the condyle. In total, 9 healthy volunteers were requested to perform left unilateral clenching at the first molar or first premolar region for 1 minute at 20% or 40% maximum voluntary clenching force...
November 1, 2017: Journal of Oral Rehabilitation
Normaliza Ab Malik, Saari Mohamad Yatim, Fathilah Abdul Razak, Otto Lok Tao Lam, Lijian Jin, Leonard S W Li, Colman McGrath
BACKGROUND: Maintaining good oral hygiene is important following stroke. OBJECTIVES: This study aimed to evaluate the effectiveness of two oral health promotion (OHP) programmes to reduce dental plaque levels following stroke. METHODS: A multi-center randomized clinical control trial was conducted among patients hospitalised following stroke in Malaysia. Patients were randomly allocated to two OHP groups: i) control group who received the conventional method for plaque control - daily manual tooth brushing with a standardized commercial toothpaste, ii) test group - who received an intense method for plaque control - daily powered tooth brushing with 1% Chlorhexidine gel...
November 1, 2017: Journal of Oral Rehabilitation
Lilja K Dagsdóttir, Valeria Bellan, Ina Skyt, Lene Vase, Lene Baad-Hansen, Eduardo Castrillon, Peter Svensson
Chronic orofacial pain patients often perceive the painful face area as 'swollen' without clinical signs, i.e., a perceptual distortion (PD). Local anesthetic (LA) injections in healthy participants are also associated with PD OBJECTIVE: The aim was to explore whether PD evoked by LA into the infraorbital region of could be modulated by adding mechanical stimulation (MS) to the affected area METHODS: MS was given with a brush and a 128 mN von Frey filament. First, sixty healthy participants were randomly divided into three groups: 1) LA control, 2) LA with MS, 3) Isotonic solution (ISO) with MS as an additional control condition...
October 20, 2017: Journal of Oral Rehabilitation
Masanori Iwasaki, Yoshihara Akihiro, Naoko Sato, Misuzu Sato, Kumiko Minagawa, Mieko Shimada, Mamoru Nishimuta, Toshihiro Ansai, Yutaka Yoshitake, Takahiro Ono, Hideo Miyazaki
OBJECTIVES: To determine whether maximum bite force (MBF), an objective measure of oral function, is associated with development of frailty in community-dwelling older adults. METHODS: This prospective cohort study included community-dwelling Japanese adults aged 75 years at baseline (n = 322). Baseline MBF was measured using an electronic recording device (Occlusal Force-Meter GM10). Follow-up examinations, including physical fitness and anthropometric evaluation and structured questionnaires, were administered annually over a 5-year period to determine the incidence of frailty, which was defined by the presence of three or more of the following five components derived from the Cardiovascular Health Study: low level of mobility, low physical activity level, weakness, shrinking, and poor endurance and energy...
October 1, 2017: Journal of Oral Rehabilitation
Hedaiat Moradpour, Mohaddese Arbabzade, Omid Savabi, Mohammadjavad Shirani
BACHGROUND: Occlusal scheme can affect denture retention, stability, occlusal force distribution, esthetics, masticatory function, patient comfort, and general patient satisfaction with dentures. OBJECTIVES: This study aimed to compare the patient satisfaction with three types of complete denture occlusion including fully bilateral balanced occlusion (FBBO), newly presented buccalized occlusion (BO), and lingualized occlusion (LO). METHODS: In this parallel randomized clinical trial, new conventional complete dentures (CCDs) were fabricated for 86volunteers...
October 1, 2017: Journal of Oral Rehabilitation
K Takeuchi, M Furuta, Y Okabe, S Suma, T Takeshita, S Akifusa, M Adachi, T Kinoshita, T Kikutani, Y Yamashita
The purpose of this study was to clarify the effect of swallowing disorders on functional decline in community-dwelling older adults receiving home care. This was a 1-year follow-up survey of 176 individuals ≥60 years living at home and receiving homecare services, without total dependence in basic daily living activities, in two mid-sized municipalities in Fukuoka, Japan. Functional decline was measured using the Barthel index (BI), and the primary outcome was total dependence in basic daily living activities (BI ≤ 20 points)...
October 1, 2017: Journal of Oral Rehabilitation
Corey H Basch, Jingjing Yin, Nathan Walker, Aurea J de Leon, Isaac Chun-Hai Fung
As the understanding of temporomandibular disorders' (TMDs) etiologies and treatments develops from non-evidence-based to evidence-based approaches, the availability of sound information will likewise grow and need to be disseminated. The purpose of this study is to describe the content most commonly viewed in YouTube videos related to TMDs or "TMJ" and see if videos from different sources have different content METHODS: Video information was gathered by searching YouTube for the term "TMJ" and data was recorded related to descriptive information as well as content...
October 1, 2017: Journal of Oral Rehabilitation
C W P Pol, G M Raghoebar, W Kerdijk, C Boven, M S Cune, H J A Meijer
The purpose of the systematic review and meta-analysis was to compare the performance of 3-unit bridges on teeth with 3-unit bridges on implants, evaluating survival of the bridges, survival of the teeth or implants, condition of the hard and soft tissues surrounding the supports, complications and patient-reported outcome measures (PROM) after a mean observation period of at least 1 year. A literature search was conducted using a combination of the search terms: fixed partial denture and fixed dental prostheses (FDPs)...
September 23, 2017: Journal of Oral Rehabilitation
M Litko, M Berger, J Szkutnik, I Różyło-Kalinowska
The most common temporomandibular joint (TMJ) internal derangement is an abnormal relationship of the disc with respect to the mandibular condyle, articular eminence and glenoid fossa-disc displacement. The aim of our study was to analyse the correlation between partial/complete disc displacement in the intercuspal position (IP) and its reduction in the open-mouth position (OMP) in both oblique sagittal and coronal planes on magnetic resonance imaging (MRI) in patients with temporomandibular disorders. Multisection MRI analysis of 382 TMJs was conducted in 191 patients with disc displacement according to the RDC/TMD criteria (148 women, 43 men; aged 14-60 years)...
September 23, 2017: Journal of Oral Rehabilitation
H von Piekartz, E Stotz, A Both, G Bahn, S Armijo-Olivo, N Ballenberger
The primary objective of this study was to determine the structural and known-group validity as well as the inter-rater reliability of a test battery to evaluate the motor control of the craniofacial region. Seventy volunteers without TMD and 25 subjects with TMD (Axes I) per the DC/TMD were asked to execute a test battery consisting of eight tests. The tests were video-taped in the same sequence in a standardised manner. Two experienced physical therapists participated in this study as blinded assessors. We used exploratory factor analysis to identify the underlying component structure of the eight tests...
September 11, 2017: Journal of Oral Rehabilitation
S Shibata, Y Inamoto, E Saitoh, H Kagaya, Y Aoyagi, K Ota, R Akahori, N Fujii, J B Palmer, M González-Fernández
This study investigated the effects of three different volumes of honey-thick liquid on the temporal characteristics of swallowing. Twenty-six healthy subjects (15 males, 11 females) underwent 320-row area detector CT scan while swallowing 3, 10 and 20 mL of honey-thick liquid barium. Three-dimensional images were created at 10 images/s. Kinematic events involving six structures (velopharynx, hyoid bone, epiglottis, laryngeal vestibule (LV), true vocal cords (TVC), upper esophageal sphincter (UES)) and timing of bolus movement were timed using frame by frame analysis...
September 11, 2017: Journal of Oral Rehabilitation
X Fan, F Qu, J-J Wang, X Du, W-C Liu
BACKGROUND: An increasing number of studies have indicated that the central and autonomic nervous systems play roles in the genesis of sleep bruxism (SB). The role of specific neurochemicals in SB has been a subject of interest. OBJECTIVE: In this study, we use proton magnetic resonance spectroscopy ((1) H-MRS) to determine whether the levels of γ-aminobutyric acid (GABA) and glutamate (Glu) are different in the brainstem and bilateral cortical masticatory area (CMA) between possible sleep bruxism (SB) patients and controls, and discuss whether the brainstem or cortical networks which may affect the central masticatory pathways are under the genesis of SB...
September 11, 2017: Journal of Oral Rehabilitation
E Lampa, A Wänman, E Nordh, B Häggman-Henrikson
Normal jaw function involves muscles and joints of both jaw and neck. A whiplash trauma may disturb the integrated jaw-neck sensory-motor function and thereby impair chewing ability; however, it is not known if such impairment is present shortly after a neck trauma or develops over time. The aim was to evaluate jaw function after a recent whiplash trauma. Eighty cases (47 women) were examined within 1 month after a whiplash trauma and compared to 80 controls (47 women) without neck trauma. Participants completed the Jaw disability checklist (JDC) and Neck Disability Index (NDI) questionnaires and performed a 5-minute chewing test...
September 11, 2017: Journal of Oral Rehabilitation
L Jokubauskas, A Baltrušaitytė, G Pileičikienė
The review focuses on the last decade of research regarding the use of various oral appliances (OAs) in the management of sleep bruxism (SB) in adults. Sixteen (n = 16) papers of 641 identified citations involving 398 participants were included in the review. Of them, seven were randomised controlled trials (RCTs), seven were uncontrolled before-after studies and two were crossover trials. Analysis of the included articles revealed a high variability of study designs and findings. Generally, the risk of bias was low-to-unclear for RCTs and high for crossover studies, whilst the before-after studies exhibited several structural limitations...
August 31, 2017: Journal of Oral Rehabilitation
Y Hama, A Hosoda, Y Komagamine, S Gotoh, C Kubota, M Kanazawa, S Minakuchi
A knowledge gap regarding masticatory performance in preschool children exists, which in turn delays intervention for preventive care; therefore, a method to easily assess performance is needed. The purpose of this study is to investigate the feasibility of assessing masticatory performance using colour-changeable chewing gum and to investigate masticatory performance-related factors in preschool children. This cross-sectional survey was conducted in two childcare facilities and our laboratory. First, a one-third quantity of colour-changeable chewing gum was masticated by six adults to assess the nature and progression of colour changes in this quantity...
August 29, 2017: Journal of Oral Rehabilitation
Limor Avivi-Arber, Barry J Sessle
The orofacial sensorimotor system is a unique system significantly distinguished from the spinal sensorimotor system. The jaw muscles are involved in mastication, swallowing and articulatory speech movements and their integration with respiration. These sensorimotor functions are vital for sustaining life and necessitate complex neuromuscular processing to provide for exquisite sensorimotor control of numerous orofacial muscles. The function of the jaw muscles in relation to sensorimotor control of these movements may be subject to aging-related declines...
August 29, 2017: Journal of Oral Rehabilitation
G C Boven, J W A Slot, G M Raghoebar, A Vissink, H J A Meijer
The aim of this study was to assess the 5-year treatment outcome of maxillary implant-retained overdentures opposed by natural antagonistic teeth. Fifty consecutive patients received maxillary overdentures supported by six dental implants. Implants were placed in the anterior region, if enough bone was present (n = 25 patients) Implant were placed in the posterior region if implant placement in the anterior region was not possible (n = 25 patients). Variables assessed included survival of implants, condition of hard and soft peri-implant tissues and patients' satisfaction...
December 2017: Journal of Oral Rehabilitation
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