1
|
Agabiti I, Apaza Alccayhuaman KA, Taniguchi Z, Kuwano K, Botticelli D. An Enigmatic Soft-Tissue Creeping Phenomenon: The Spontaneous Peri-Implant Mucosa Margin and Papilla Growth, Part Two-A Scientifically Supported Hypothesis Article. Dent J (Basel) 2024; 12:216. [PMID: 39057003 PMCID: PMC11275616 DOI: 10.3390/dj12070216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2024] [Revised: 06/30/2024] [Accepted: 07/10/2024] [Indexed: 07/28/2024] Open
Abstract
In our previous article, we observed and measured a spontaneous growth in the coronal direction of the keratinized tissues present around implants. This growth involved both free margins and interdental papillae, and we indicated our hypothesis on the probable cause of this still-unexplained phenomenon. The growth of oral soft tissues involves several other structures, such as the linea alba and tongue indentation. Our idea holds that growth of these tissues is generated by the negative intraoral pressure created in the oral phase of swallowing and the subsequent resting position, which through the resulting suction causes a shift of these soft structures in the gaps around the dental crowns. Other hypotheses have been suggested in the past to understand this phenomenon of soft tissue growth, which still lacks data supporting etiological evidence. The purpose of this article is to thoroughly analyze and verify our model by comparing the clinical observations with citations and examples from the literature, combined with notions of physiology, biology, and physics that help in clarifying these events. To better explain the mechanisms of oral soft tissue growth, photographs of clinical cases paradigmatic of the phenomenon are shown.
Collapse
Affiliation(s)
| | | | - Zenzaburo Taniguchi
- Department of Oral Implantology, Osaka Dental University, 8-1 Kuzuhahanazonocho, Hirakata 573-1121, Japan; (Z.T.); (K.K.)
| | - Kazuhisa Kuwano
- Department of Oral Implantology, Osaka Dental University, 8-1 Kuzuhahanazonocho, Hirakata 573-1121, Japan; (Z.T.); (K.K.)
| | - Daniele Botticelli
- ARDEC Academy, 47923 Rimini, Italy;
- Department of Oral Implantology, Osaka Dental University, 8-1 Kuzuhahanazonocho, Hirakata 573-1121, Japan; (Z.T.); (K.K.)
| |
Collapse
|
2
|
Archer AB, Da-Cas CD, Valesan LF, Cunha TCA, Januzzi E, Garanhani RR, de La Torre Canales G, de Souza BDM. Prevalence of awake bruxism in the adult population: a systematic review and meta-analysis. Clin Oral Investig 2023; 27:7007-7018. [PMID: 37853263 DOI: 10.1007/s00784-023-05302-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 10/02/2023] [Indexed: 10/20/2023]
Abstract
OBJECTIVES To evaluate the prevalence of awake bruxism (AB) in the adult population. MATERIALS AND METHODS Six main electronic databases and three sources of grey literature were searched to identify cross-sectional studies in which AB was assessed. The studies were independently selected by two reviewers in two phases, based on their eligibility criteria. The first one consisted of reading titles and abstracts, and the second one involved reading the full articles. The study quality assessment was obtained by using the "Joanna Briggs Institute Critical Appraisal Checklist for Studies Reporting Prevalence Data", and the "R Statistics" software was used to perform meta-analyses. RESULTS Seventeen out of 3086 identified studies were included. None of the studies scored high in methodological quality across all 9 items of the JBI checklist. However, "the use of valid methods to identify pathology" and "appropriate statistical analysis" were considered to have high methodological quality in all the studies. The overall pooled prevalence of the meta-analysis was 15.44% (99% confidence interval: 10.81 to 20.72%) and there was no difference for sex, sampling method and according to consensus-based classification. CONCLUSIONS The prevalence of AB in adults was low. There was substantial methodological variability, which highlights the need for standardized guidelines. CLINICAL RELEVANCE Prevalence data are useful for raising patients' and clinicians' awareness of the AB. Moreover, since AB can lead to possible pain and overload of the stomatognathic system, this knowledge can also guide dentists to achieve an early diagnosis of AB and to provide appropriate care management.
Collapse
Affiliation(s)
- Adriana Battisti Archer
- Postgraduate Program in Dentistry, Federal University of Santa Catarina (UFSC), Av. Delfino Conti, S/N - Trindade, Florianópolis, SC, 88040-900, Brazil.
| | - Cecília Doebber Da-Cas
- Postgraduate Program in Dentistry, Federal University of Santa Catarina (UFSC), Av. Delfino Conti, S/N - Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Lígia Figueiredo Valesan
- Postgraduate Program in Dentistry, Federal University of Santa Catarina (UFSC), Av. Delfino Conti, S/N - Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Thays Crosara Abrahão Cunha
- Federal University of Uberlândia, Av. João Naves de Ávila, 2121 - Santa Mônica, Uberlândia, MG, 38408-100, Brazil
| | - Eduardo Januzzi
- Orofacial Pain Center, Hospital Mater Dei (HMD), Av. Gonçalves Dias, 2.700 - Santo Agostinho, Belo Horizonte, MG, 30190-094, Brazil
| | - Roberto Ramos Garanhani
- Zenith Specialization School, Av. Trompowsky, 354 - 1 - Centro, Florianópolis, SC, 88015-300, Brazil
| | - Giancarlo de La Torre Canales
- Egas Moniz Center for Interdisciplinary Research (CiiEM); Egas Moniz School of Health & Science, Caparica, Almada, Portugal
| | - Beatriz Dulcineia Mendes de Souza
- Department of Dentistry, Federal University of Santa Catarina (UFSC), Av. Delfino Conti, S/N - Trindade, Florianópolis, SC, 88040-900, Brazil
| |
Collapse
|
3
|
Pyo CY, Kim TH, Kim DH. Association between masticatory muscle activity and oral conditions in young female college students. Anat Cell Biol 2021; 54:479-488. [PMID: 34552039 PMCID: PMC8693132 DOI: 10.5115/acb.21.107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 07/12/2021] [Accepted: 07/26/2021] [Indexed: 11/27/2022] Open
Abstract
The purpose of this study was to determine the characteristics of masticatory muscle activity and various oral condition factors, and to analyze their associations in order to improve the prevention and diagnosis of masticatory muscle-related diseases. This study included 30 Korean females (mean age of 20 years, age range of 19-21 years). Participants were instructed to complete a self-written questionnaire on factors that may affect their muscle activity. Surface electromyography was used to measure the activity of the masseter and temporalis muscles. We also observed the buccal mucosa ridge, tongue indentation, tooth cracks and fractures, and mandibular tori in the oral cavity. Spearman correlation analysis and the nonparametric Mann-Whitney U test were applied to the data. When subjects had temporomandibular disorder, the right temporalis muscle exhibited significantly lower activity (P<0.05). Those who had received orthodontic treatment within the previous 2 years showed significantly lower activity of the left masseter muscle (P<0.05). Those who had a left buccal mucosa ridge exhibited lower activity of the left masseter muscle and higher activity of the right temporalis muscle compared with those without such a ridge (P<0.05). Participants with no tongue indentation showed significantly higher activity in the left masseter muscle (P<0.05). These results indicate that there are relationships between masticatory muscle activity and various factors related to the oral condition.
Collapse
Affiliation(s)
| | - Tae-Hoon Kim
- Department of Occupational Therapy, Division of Health Sciences, Dongseo University, Busan, Korea
| | - Da-Hye Kim
- Department of Dental Hygiene, Division of Health Sciences, Dongseo University, Busan, Korea
| |
Collapse
|
4
|
Dimova-Gabrovska MI, Maksimovskaya LN, Dimitrova DG. [Changes in the oral mucosa in patients with bruxism]. STOMATOLOGIIA 2021; 100:48-52. [PMID: 35081701 DOI: 10.17116/stomat202110006248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
OBJECTIVE The aim of the study was to determine changes in the oral mucosa in patients with bruxism using the method of autofluorescence stomatoscopy. MATERIAL AND METHODS 50 patients with bruxism aged 35-65 years were examined at the Department of Prosthetic Dentistry, Faculty of Dental Medicine, Medical University - Sofia, Bulgaria. Using the digital diagnostic system OccluSense (Bausch, Germany), deviations in static and dynamic occlusion were determined. For the diagnosis of precancerous diseases and early stages of malignant neoplasms of the oral mucosa, we used the method of autofluorescent stomatoscopy using a LED stomatoscope «AFS» made in Russia with radiation in the spectral range of 400 nm. RESULTS The normal mucous membrane of the mouth at this frequency of the spectrum has a green glow. Metabolic and/or structural changes occurring at the cellular and/or tissue level of the oral mucosa lead to a change in its optical properties.Analysis of occlusion in 50 patients with bruxism showed uneven distribution of the chewing load. In 60% of patients, the presence of supercontacts was revealed, and in 76% of cases, occlusion disorders were detected, in 88% of patients, hyperkeratosis of the buccal mucosa was noted, and in 77.3% they were localized along the line of closing of the teeth. CONCLUSION Examination of the oral mucosa using the autofluorescent stomatoscopy method allows visualizing and, accordingly, objectifying the presence of hyperkeratotic changes in the buccal mucosa in patients with bruxism. The APS apparatus allows for a reliable and effective assessment of non-inflammatory and inflammatory changes, precancerous and cancerous lesions, which makes it indispensable for the manifestation of oncological alertness in the daily clinical practice of dentists.
Collapse
Affiliation(s)
| | - L N Maksimovskaya
- A.I. Yevdokimov Moskow State University of Medicine and Dentistry, Moscow, Russia
| | | |
Collapse
|
5
|
Agabiti I, Apaza Alccayhuaman KA, Nakajima Y, Botticelli D. An enigmatic soft tissue creeping phenomenon: The spontaneous peri-implant mucosa margin and papilla growth. A retrospective clinical study. Clin Exp Dent Res 2020; 7:474-483. [PMID: 33350149 PMCID: PMC8404504 DOI: 10.1002/cre2.380] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 12/03/2020] [Accepted: 12/04/2020] [Indexed: 11/06/2022] Open
Abstract
Objectives The aim of the present retrospective study was to evaluate papillae filling rate and buccal margins coronal growth in implant‐supported prostheses which were over‐contoured at the apical buccal third to form a rearmost collar zone, thus mimicking a false root. Material and methods The influence of adjacent elements, teeth, implants, or pontics was examined. One‐hundred and three crowns have been assessed in photographs taken on 61 patients after prosthesis delivering and at last follow‐up (mean 2.8 years). The Jemt index was adopted to evaluate papillae growth at the baseline and follow‐up as follows: 0, absence of papilla; 1, less than half of interdental embrasure height; 2, more than half of interdental embrasure height; 3, fully papilla filled interdental embrasure. Index score 4, papilla hyperplasia was not included. Moreover, the coronal growth (or recession) of buccal mucosa in implant‐supported crowns was assessed. Results At baseline, a total of 29 papillae had a 0 score, while only two scored 3 with complete papilla formation. On follow‐up, only one papilla scored 0, while 46 scored 3 with complete interdental embrasures filling. The highest papilla score was registered from first year crown insertion and likewise in interdental embrasures located between two implants or implants and pontics. Moreover, the buccal margin growth was observed in almost 80% of crowns. Such findings seem to indicate that buccal margin and papilla around implant‐supported crowns presented a coronal growth over time, especially during its first year. The average papilla growth between two implants was no lower than that observed in papilla present between implants and natural teeth. Conclusions Recessed areas at collar of implant‐supported prostheses appear to positively influence papillae and buccal margin growth, especially in its first year. Papilla growth between two implants was similar to that observed between implants and natural teeth.
Collapse
Affiliation(s)
- Ivo Agabiti
- Pesaro, Italy.,Surgical Division, ARDEC Academy, Rimini, Italy
| | | | - Yasushi Nakajima
- Department of Oral Implantology, Osaka Dental University, Osaka, Japan
| | | |
Collapse
|
6
|
Morita K, Tsuka H, Kuremoto KI, Kimura H, Kawano H, Yokoi M, Yasuda K, Yoshida M, Tsuga K. Association between buccal mucosa ridging and oral feature/symptom and its effects on occlusal function among dentate young adults in a cross-sectional study of Japan. Cranio 2019; 39:24-28. [PMID: 30777516 DOI: 10.1080/08869634.2019.1581471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Objective: The purpose of this study was to assess the distinction in oral features/symptoms and occlusal function between young dentate individuals with and without buccal mucosa ridging (BMR). Methods: This cross-sectional study included 200 young adults. The outcome variable was BMR state. The predictor variables were oral features/symptoms (torus palatinus, torus mandibularis, temporomandibular joint noise, bruxism, tongue thrusting habit, number of teeth present, and occlusal vertical dimension) and oral function (occlusal force, occlusal contact area, occlusal pressure, tongue pressure). These variables were compared among participants with and without BMR using univariate and multiple logistic regression analysis. Results: There were 119 participants with BMR and 81 without BMR. Multiple logistic regression analysis revealed that BMR was closely associated with bruxism, occlusal vertical dimension, and occlusal pressure. Discussion: Oral/occlusal changes of increased bruxism, lower occlusal vertical dimension, and lower occlusal pressure constitute the major causes of BMR.
Collapse
Affiliation(s)
- Koji Morita
- Department of Advanced Prosthodontics, Hiroshima University Graduate School of Biomedical & Health Sciences , Hiroshima, Japan
| | - Hiroki Tsuka
- Department of Advanced Prosthodontics, Hiroshima University Graduate School of Biomedical & Health Sciences , Hiroshima, Japan
| | - Ko-Ichi Kuremoto
- Department of Advanced Prosthodontics, Hiroshima University Graduate School of Biomedical & Health Sciences , Hiroshima, Japan
| | - Hitomi Kimura
- Oral Implant Center, Tokushima University Hospital , Tokushima, Japan
| | - Hiromichi Kawano
- Oral Implant Center, Tokushima University Hospital , Tokushima, Japan
| | - Miyuki Yokoi
- Department of Advanced Prosthodontics, Hiroshima University Graduate School of Biomedical & Health Sciences , Hiroshima, Japan
| | - Keisuke Yasuda
- Department of Advanced Prosthodontics, Hiroshima University Graduate School of Biomedical & Health Sciences , Hiroshima, Japan
| | - Mitsuyoshi Yoshida
- Department of Advanced Prosthodontics, Hiroshima University Graduate School of Biomedical & Health Sciences , Hiroshima, Japan
| | - Kazuhiro Tsuga
- Department of Advanced Prosthodontics, Hiroshima University Graduate School of Biomedical & Health Sciences , Hiroshima, Japan
| |
Collapse
|
7
|
Morita K, Mori T, Maruyama M, Hiraoka A, Higa C, Kuroki A, Yoshida M, Tsuga K. Association between buccal mucosa ridging and oral or occlusal status among older people. Oral Dis 2018; 24:778-783. [PMID: 29316022 DOI: 10.1111/odi.12828] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 12/20/2017] [Accepted: 01/05/2018] [Indexed: 01/22/2023]
Abstract
OBJECTIVES This study aimed to evaluate the association between buccal mucosa ridging and oral or occlusal statuses among older people. SUBJECTS AND METHODS This cross-sectional study examined 262 independent older people (mean age, 74.2 ± 5.9 years) who participated in the Kyoto Elderly Physical Fitness Measurement Research Project. The predictor variables were oral statuses (number of present teeth and torus palatinus, torus mandibularis, temporomandibular joint noise, clenching, or grinding) and oral functions (occlusal pressure, cheek pressure, oral diadochokinesis, and tongue pressure). The outcome variable was the buccal mucosa ridging status (presence or absence). Additional variables were age, sex, body mass index, grip strength, and wearing dentures. We compared these variables between participants with and without buccal mucosa ridging using a univariate analysis and multiple logistic regression analysis. RESULTS Buccal mucosa ridging was present in 177 (67.6%) people. Multiple logistic regression analysis revealed a close association of buccal mucosa ridging with torus mandibularis, tooth clenching and grinding and occlusal pressure, and cheek pressure. CONCLUSIONS Over 50% of the participants showed buccal mucosa ridging; this was significantly associated with higher cheek pressure, lower occlusal pressure, torus mandibularis, and tooth clenching and grinding.
Collapse
Affiliation(s)
- Koji Morita
- Department of Advanced Prosthodontics, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Takahiro Mori
- Department of Advanced Prosthodontics, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Mariko Maruyama
- Department of Advanced Prosthodontics, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Aya Hiraoka
- Department of Advanced Prosthodontics, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Chiaki Higa
- Department of Advanced Prosthodontics, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Azusa Kuroki
- Department of Advanced Prosthodontics, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Mitsuyoshi Yoshida
- Department of Advanced Prosthodontics, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Kazuhiro Tsuga
- Department of Advanced Prosthodontics, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| |
Collapse
|
8
|
Meirelles L, Cunha Matheus Rodrigues Garcia R. Influence of bruxism and splint therapy on tongue pressure against teeth. Cranio 2017; 34:100-4. [PMID: 25975418 DOI: 10.1179/2151090315y.0000000010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
OBJECTIVES This study estimated the maximum tongue pressure (MTP) against teeth in bruxers, and verified the effect of a stabilization splint. METHOD Forty subjects (mean age: 26.57 years) were assigned to two groups (n520): bruxers and nonbruxers. Sleep bruxism was diagnosed by self-report, presence of tooth wear and tongue indentation, and by using a BiteStrip2 device. Maximum tongue pressure was measured by intraoral appliances containing pressure sensors. After baseline evaluation, bruxers received a stabilization splint and non-bruxers received a palatal splint, both for nocturnal use. Maximum tongue pressure was reassessed after 30 and 60 days. Data were submitted to repeated-measures ANOVA and Tukey test (Pv0.05). RESULTS Bruxers showed an increased MTP against teeth (Pv0.05). Splint therapy decreased MTP for bruxers and non-bruxers. DISCUSSION Bruxers present tongue indentations or ulcerations; however, there is no evidence on their MTP. Further research should focus on therapies to avoid tongue ulcerations in bruxers.
Collapse
Affiliation(s)
- Lis Meirelles
- a Department of Prosthodontics and Periodontology , Piracicaba Dental School, University of Campinas , Av. Limeira, no 901, Bairro Areia˜ o, Sa˜o Paulo, Piracicaba , CEP 13414-903 , Brazil
| | - Renata Cunha Matheus Rodrigues Garcia
- a Department of Prosthodontics and Periodontology , Piracicaba Dental School, University of Campinas , Av. Limeira, no 901, Bairro Areia˜ o, Sa˜o Paulo, Piracicaba , CEP 13414-903 , Brazil
| |
Collapse
|
9
|
Tomooka K, Tanigawa T, Sakurai S, Maruyama K, Eguchi E, Nishioka S, Miyoshi N, Kakuto H, Shimizu G, Yamaoka D, Saito I. Scalloped tongue is associated with nocturnal intermittent hypoxia among community-dwelling Japanese: the Toon Health Study. J Oral Rehabil 2017; 44:602-609. [PMID: 28548303 DOI: 10.1111/joor.12526] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2017] [Indexed: 11/29/2022]
Abstract
Scalloped tongue is considered as a possible clinical finding of obstructive sleep apnoea (OSA). There are few evidence of the association between scalloped tongue and OSA. To examine the association between scalloped tongue and nocturnal intermittent hypoxia (NIH), a surrogate marker of OSA, among a general Japanese population. Study participants were 398 men and 732 women aged 30-79 years who participated in the Toon Health Study from 2011 to 2014. Scalloped tongue was classified into three categories: none, mild and moderate-to-severe. Moderate-to-severe NIH was defined as the 3% oxygen desaturation index of ≥15 events/h during sleep for one night with pulse oximetry. The multivariable-adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for moderate-to-severe NIH were calculated according to scalloped tongue categories using a logistic regression model. There were 69 (6·1%) moderate-to-severe NIH cases in this population. The multivariable-adjusted ORs (95% CIs) of moderate-to-severe NIH were 1·59 (0·85-2·95) for mild and 2·39 (1·10-5·17) for the moderate-to-severe scalloped tongue group compared with the group without scalloped tongues. When stratified by overweight status (BMI <25 or ≥25 kg m-2 ), the respective ORs (95% CIs) were 2·83 (1·06-7·55) and 4·74 (1·28-17·49) among overweight individuals, and 0·94 (0·40-2·70) and 1·52 (0·57-4·05) among non-overweight individuals. Scalloped tongue was associated with higher prevalence of moderate-to-severe NIH among the general Japanese population and this association was more evident in overweight individuals.
Collapse
Affiliation(s)
- K Tomooka
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - T Tanigawa
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - S Sakurai
- Department of Clinical Laboratory Science, Faculty of Health Care, Tenri Health Care University, Tenri, Japan
| | - K Maruyama
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - E Eguchi
- Department of Public Health, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - S Nishioka
- Department of Molecular and Genetic Medicine, Ehime University Graduate School of Medicine, Toon, Japan
| | - N Miyoshi
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Toon, Japan
| | - H Kakuto
- Department of East Asian Traditional Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - G Shimizu
- Department of East Asian Traditional Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - D Yamaoka
- Department of East Asian Traditional Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - I Saito
- Department of Community Health Systems Nursing, Ehime University Graduate School of Medicine, Toon, Japan
| |
Collapse
|
10
|
Mizutani S, Ekuni D, Tomofuji T, Azuma T, Irie K, Machida T, Yoneda T, Iwasaki Y, Morita M. Factors related to the formation of buccal mucosa ridging in university students. Acta Odontol Scand 2014; 72:58-63. [PMID: 23692316 PMCID: PMC3878356 DOI: 10.3109/00016357.2013.797102] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE Buccal mucosa ridging (BMR) is known as a clinical sign of clenching, which is one of the major manifestations of bruxism. However, there are few reports about the formation of BMR and no data regarding the association between BMR and factors such as malocclusion. The purpose of the current study was to investigate the relationship between BMR and factors such as the number of teeth present, gender, body mass index (BMI), occlusion and clenching habit in university students. MATERIALS AND METHODS A total of 2101 students (1164 males, 937 females), aged 18-29 years old, were included in the study. BMR and the number of teeth present were recorded and malocclusion was defined using a modified version of the Index of Orthodontic Treatment Need. Additional information regarding gender, clenching habit and BMI was collected via a questionnaire. RESULTS Forty-six per cent of the subjects had BMR and the prevalence of BMR in females was significantly higher than that of males (chi square test, p < 0.001). According to logistic regression analysis, the probability of BMR was significantly associated with female gender (OR = 1.501, 95% CI = 1.259-1.790, p < 0.001), crowding (OR = 2.102, 95% CI = 1.706-2.590, p < 0.001) and overjet (OR = 0.585, 95% CI = 0.418-0.818, p = 0.002). On the other hand, BMR was not associated with awareness of clenching habit and BMI. CONCLUSIONS Gender, crowding and overjet were related to the formation of BMR in university students. When evaluating BMR as a clinical sign of clenching, one might have to take factors such as gender and crowding into consideration.
Collapse
Affiliation(s)
- Shinsuke Mizutani
- Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Daisuke Ekuni
- Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Takaaki Tomofuji
- Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Tetsuji Azuma
- Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Koichiro Irie
- Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Tatsuya Machida
- Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Toshiki Yoneda
- Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | | | - Manabu Morita
- Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| |
Collapse
|
11
|
Serra-Negra JM, Paiva SM, Auad SM, Ramos-Jorge ML, Pordeus IA. Signs, symptoms, parafunctions and associated factors of parent-reported sleep bruxism in children: a case-control study. Braz Dent J 2012; 23:746-52. [DOI: 10.1590/s0103-64402012000600020] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2012] [Accepted: 12/04/2012] [Indexed: 12/11/2022] Open
Abstract
Bruxism is the non-functional clenching or grinding of the teeth that may occur during sleep or less commonly in daytime. The aim of this study was to investigate the association between clinical signs and symptoms, parafunctions and associated factors of sleep bruxism in children. A population-based case-control study was carried out involving 120 children, 8 years of age, with sleep bruxism and 240 children without sleep bruxism. The sample was randomly selected from public and private schools in the city of Belo Horizonte, MG, Brazil. Groups were matched by gender and social class. The Social Vulnerability Index (SVI) drawn up by the city of Belo Horizonte was employed for social classification. Data collection instruments included clinical forms and pre-tested questionnaires. The diagnosis of sleep bruxism was supported by the American Association of Sleep Medicine (AASM) criteria. The McNemar test, binary and multivariate logistic regression models were used for statistical analysis. The risk factors associated with sleep bruxism included: primary canine wear (OR=2.3 IC 95% 1.2-4.3), biting of objects like pencils or pens (OR=2.0 IC 95% 1.2-3.3) and wake-time bruxism (tooth clenching) (OR=2.3 IC 95% 1.2-4.3). Children that present the parafunctions of object biting and wake-time bruxism were more susceptible to sleep bruxism.
Collapse
|
12
|
Kumakura S, Sakurai K, Tahara Y, Nakagawa K. Relationship between buccal mucosa ridging and viscoelastic behaviour of oral mucosa. J Oral Rehabil 2010; 38:429-33. [PMID: 21054483 DOI: 10.1111/j.1365-2842.2010.02167.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The aim of this study was to clarify the relationship between the buccal mucosa ridging (BMR), which has been mentioned to be a clinical sign of clenching, and the viscoelastic behaviour of oral mucosa. Twenty-three people with BMR and 21 people without BMR participated as volunteers in this study. Measurements of viscoelastic behaviour were performed using a suction viscoelastic meter on central part of lower labial mucosa. A suction pressure of 300 hPa was applied for 2 s and then released for 2 s, and the time-dependent changes in the deformation of the mucosa over this 4 s were recorded as a deformation curve. Distensibility, remaining deformation and elastic recovery, which describe viscoelastic behaviour, were calculated by the deformation curve. These parameters were compared between groups with and without BMR. No significant difference was found in distensibility between the two groups (P=0·349). There were significant differences for the remaining deformation (P=0·012) and the elastic recovery (P=0·032), and the group with BMR showed higher remaining deformation and lower elastic recovery than the group without BMR. Based on these results, it clarified that the BMR is related to the mucosal viscoelastic behaviour, in particular remaining deformation and elastic recovery.
Collapse
Affiliation(s)
- S Kumakura
- Department of Removable Prosthodontics and Gerodontology, Tokyo Dental College, Chiba, Japan.
| | | | | | | |
Collapse
|
13
|
Takagi I, Sakurai K. Investigation of the factors related to the formation of the buccal mucosa ridging. J Oral Rehabil 2003; 30:565-72. [PMID: 12787452 DOI: 10.1046/j.1365-2842.2003.01144.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The aim of this study was to clarify the factors related to the formation of the buccal mucosa ridging, which has been mentioned to be a clinical sign of clenching. Twenty-one individuals were investigated and divided into three groups: (i) those without buccal mucosa ridging, (ii) the buccal mucosa ridging located in all the posterior teeth region, and (iii) the buccal mucosa ridging corresponding only to the molar teeth region. A pressure sensor was used and placed at two points: first upper premolar and second upper molar. The recording tasks were: (i) silent reading at rest, (ii) light voluntary clenching, (iii) maximum voluntary clenching, (iv) holding the cheeks tightly against the teeth while light voluntary clenching, (v) holding the cheeks tightly against the teeth without tooth contact, (vi) pulling angle of mouth laterally while light voluntary clenching, (vii) pulling angle of mouth laterally without tooth contact and (viii) swallowing. No significant differences were found between groups in all the recording tasks except for the swallowing, at which significant difference (P < 0.05) was found between the groups of individuals having buccal mucosa ridging and without it. Based on these results it became clear that the buccal mucosa pressure exerted on the buccal aspect of teeth during swallowing plays an important role in the formation of buccal mucosa ridging.
Collapse
Affiliation(s)
- I Takagi
- Department of Complete Denture Prosthodontics, Tokyo Dental College, Chiba City, Japan.
| | | |
Collapse
|