scholarly journals Relationship Between Dental Occlusion Class, Head Position and Body Posture of The Upper Part of the Body

2020 ◽  
Vol 2 (9) ◽  
Author(s):  
Giedrė Jurgelaitienė ◽  
Vilma Dudonienė ◽  
Marius Jurgelaitis
Keyword(s):  
Cervical Spine ◽  
Temporomandibular Disorders ◽  
Age Groups ◽  
Head Position ◽  
The Body ◽  
Body Posture ◽  
Dental Occlusion ◽  
Upper Cervical Spine ◽  
Functional Abnormality ◽  
Therapeutic Implications

The close anatomical and neuronal (sensory and motor) linkage between the upper cervical spine and the craniofacial section documented in literature accounts for relationships between the jaw position and the inclination of the cervical spine. The issue of relationships between dental occlusion, body posture and temporomandibular disorders is a controversial topic in dentistry, and it is often a source of speculations. A description of the available knowledge about the physiology of the body posture – dental occlusion relationship is fundamental to discuss the possible diagnostic and therapeutic implications of the assessment of body posture in subjects with occlusal abnormalities or patients with temporomandibular disorders. The orthostatic position of the skull is kept by a complex muscular mechanism involving head, neck and shoulder girdle muscles. Since TMJ, cervical spine and occlusion are intimately related, a functional abnormality or the position of one of them may affect the function or the position of the others (Baião da Neiva et al., 2011). Object of the study: relationship between dental occlusion class, head position and body posture of the upper part of the body. Aim of the study: to determine relationship between dental occlusion class, head position and body posture of upper part of the body. Methods and organization of the study: The study involved 52 subjects. Participants were divided into two age groups: first group (n = 42, 20–28 years) and second group (n = 10, 45–49). 1987 W. W. K. Hoeger subjective volunteer’s posture evaluation model, where the deviation from the norm was defined by score, was chosen for the evaluation. Also the posture was rated digitally. Subjects’ photographs of posture were rated by software AutoCAD 2013 programme. Dental occlusion was assessed according to Angle classification. Conclusion: No strong, statistically significant linkage between the evaluated parameters were found. Additional research is needed to ground scientifically based relationship between masticatory system, musculoskeletal system and body posture.Keywords: dental occlusion class, head position, body posture.

scholarly journals Odontoid process fracture in 2 year old child: a rare case report

2017 ◽  
Vol 31 (4) ◽  
pp. 522-525
Author(s):  
Prajapati Hanuman Prasad ◽  
Singh Deepak Kumar ◽  
Singh Rakesh Kumar ◽  
Yadav Kuldeep
Keyword(s):  
Cervical Spine ◽  
Odontoid Process ◽  
The Body ◽  
Upper Cervical Spine ◽  
Age Group ◽  
Spine Injuries ◽  
Rare Case Report ◽  
Upper Cervical ◽  
Cervical Spine Fractures ◽  
Odontoid Process Fracture

Abstract In small childrens spine injuries are rare. In this age group upper cervical spine is commonally affected. Odontoid process fracture involve only a subset of cervical spine fractures. In small childrens, this fracture typically involves the cartilaginousplate that separates the odontoid process from the body of the axis. Odontoid processfracture is rare in children less than 7 years of age.

Dental occlusion, body posture and temporomandibular disorders: where we are now and where we are heading for

2012 ◽  
Vol 39 (6) ◽  
pp. 463-471 ◽  
Author(s):  
D. MANFREDINI ◽  
T. CASTROFLORIO ◽  
G. PERINETTI ◽  
L. GUARDA-NARDINI
Keyword(s):  
Temporomandibular Disorders ◽  
Body Posture ◽  
Dental Occlusion ◽  
Occlusion Body

Role of upper cervical spine in temporomandibular disorders

2017 ◽  
Vol 30 (6) ◽  
pp. 1245-1250 ◽  
Author(s):  
Cristian Rodolfo Raya ◽  
Gustavo Plaza-Manzano ◽  
Daniel Pecos-Martín ◽  
Alejandro Ferragut-Garcías ◽  
Patricia Martín-Casas ◽  
...  
Keyword(s):  
Cervical Spine ◽  
Temporomandibular Disorders ◽  
Upper Cervical Spine ◽  
Upper Cervical

scholarly journals Increasing postural deformity trends and body mass index analysis in school-age children

2018 ◽  
Vol 57 (1) ◽  
pp. 25-32 ◽  
Author(s):  
Safet Kapo ◽  
Izet Rađo ◽  
Nusret Smajlović ◽  
Siniša Kovač ◽  
Munir Talović ◽  
...  
Keyword(s):  
Body Mass Index ◽  
Body Mass ◽  
Age Groups ◽  
The Body ◽  
Body Posture ◽  
Negative Trend ◽  
School Age Children ◽  
Study Results ◽  
Significant Difference ◽  
Spine Deformities

Abstract Introduction The aim of the study was to analyse the deviations of the body posture and to assess the occurrence of spine deformities. Additionally, Body Mass Index in school children was related to the trend in postural deformities for different age groups (5-8 years old, n=112; 9-11 years old, n=205; 12-14 years old, n=212) as part of the project “Spine Lab”, granted from the European Commission IPA founds, investigating the importance of public health issues. Methods Body posture was measured using Contemplas 3D software analyser, based on video image trajectory and BIA weight scale (Tanita BC 420). Overall, 17 variables were assessed, and differences were confirmed using MANOVA analysis. Results The results showed that there is a significant difference between age groups for the measured variables (F=9.27; p<0.01; η2=0.26), suggesting a moderate difference across the age span. Conclusion The study results showed that there is a negative trend of increasing Body Mass Index within the first and youngest age group. The fact is that the trend of increasing deformity of the shoulder belt has been noted, often inclining towards the formation of milder forms of kyphotic posture. Other forms of deformity that are accentuated in the survey results are the negative trend of increasing pelvic rotation and pelvis rotation which inclines towards the formation of lordotic posture for all three age groups.

Atlantoaxial Subluxation in Different Intraoperative Head Positions in Patients with Rheumatoid Arthritis

2006 ◽  
Vol 104 (4) ◽  
pp. 675-679 ◽  
Author(s):  
Daisaku Tokunaga ◽  
Hitoshi Hase ◽  
Yasuo Mikami ◽  
Tatsuya Hojo ◽  
Kazuya Ikoma ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Cervical Spine ◽  
General Anesthesia ◽  
Perioperative Period ◽  
Head Position ◽  
Lateral View ◽  
Atlantoaxial Subluxation ◽  
Upper Cervical Spine ◽  
Upper Cervical ◽  
Atlantodental Interval

Background Disorders of the cervical spine are often observed in patients with rheumatoid arthritis (RA). However, the best head position for RA patients with atlantoaxial subluxation in the perioperative period is unknown. This study investigated head position during general anesthesia for the patients with RA and proven atlantoaxial subluxation. Methods During anesthesia of patients with RA and proven atlantoaxial subluxation, the authors used fluoroscopy to obtain a lateral view of the upper cervical spine in four different positions: the mask position, the intubation position, the flat pillow position, and the protrusion position. Copies of the still fluoroscopic images were used to determine the anterior atlantodental interval, the posterior atlantodental interval, and the angle of atlas and axis (C1-C2 angle). Results The anterior atlantodental interval was significantly smaller in the protrusion position (2.3 mm) than in the flat pillow position (5.1 mm) (P &lt; 0.05). The posterior atlantodental interval was significantly greater in the protrusion position (18.9 mm) than in the flat pillow position (16.2 mm) (P &lt; 0.05). The C1-C2 angle was, on average, 9.3 degrees greater in the protrusion position than in the flat pillow position (P &lt; 0.05). Conclusion This study showed that the protrusion position using a flat pillow and a donut-shaped pillow during general anesthesia reduced the anterior atlantodental interval and increased the posterior atlantodental interval in RA patients with atlantoaxial subluxation. This suggests that the protrusion position, which involves support of the upper cervical spine and extension at the craniocervical junction, might be advantageous for these patients.

Mobility of the upper cervical spine and muscle performance of the deep flexors in women with temporomandibular disorders

2019 ◽  
Vol 46 (12) ◽  
pp. 1177-1184 ◽  
Author(s):  
Michele P. Ferreira ◽  
César B. Waisberg ◽  
Paulo César R. Conti ◽  
Débora Bevilaqua‐Grossi
Keyword(s):  
Cervical Spine ◽  
Temporomandibular Disorders ◽  
Muscle Performance ◽  
Upper Cervical Spine ◽  
Upper Cervical ◽  
Deep Flexors

scholarly journals Symmetrical dental occlusion blocking – changes of body sway and weight distribution in healthy subjects across 4 age decades

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
C. Maurer-Grubinger ◽  
F. Adjami ◽  
I. Avaniadi ◽  
W. Christian ◽  
C. Doerry ◽  
...  
Keyword(s):  
Musculoskeletal System ◽  
Weight Distribution ◽  
Healthy Subjects ◽  
Age Groups ◽  
The Body ◽  
Body Sway ◽  
Dental Occlusion ◽  
Large Sample Size ◽  
Relative Pressure ◽  
Rest Position

Abstract Objectives Symmetrical dental occlusion blocking is used in dentistry as a quick diagnostic tool to test for potential influences of the craniomandibular system on body sway and weight distribution. This study presents the changes of body sway and pressure distribution in healthy subjects, free of a temporomandibular dysfunction (TMD). Immediate effects between occlusal blocking and rest position on body sway and body weight distribution in general, as well as for both genders and for four age decades will be evaluated. Materials and methods 725 (396f/329 m) subjects (neither subjective signs of TMD nor acute/chronic complaints in the musculoskeletal system) volunteered (21 to 60 years) while both genders were divided into four age groups according to decades. A pressure measuring platform was used. Body sway and weight distribution were recorded in two dental occlusion conditions (a) in rest position and (b) symmetrical blocking (bicuspid region) by cotton rolls. Results Both, the frontal sway and the sagittal sway reduced by 0.67 mm (t(724) = − 3.9 (p <  0.001)) and by 0.33 mm (t(724) = − 3.4 (p <  0.001)). The relative pressure under the left forefoot increased by 0.33% (t(724) = 2.88 (p <  0.001)) and the relative pressure overall under the forefoot increased by 0.67% (t(724) = − 3.4 (p <  0.001)). Gender-specific, age-specific and BMI-specific reactions could not be identified. Conclusions Subjects, free of any TMD and with no complaints of the musculoskeletal system, show small changes of the body sway and weight distribution when biting symmetrically on a cotton roll. These changes are independent of age, gender or body mass index (BMI). Due to the relative large sample size, the presented results can also be seen as norm values when body sway is used as an additional assessment of a TMD.

scholarly journals Prevalence and Severity of Temporomandibular Disorders among Undergraduate Medical Students in Association with Khat Chewing

2017 ◽  
Vol 18 (1) ◽  
pp. 23-28 ◽  
Author(s):  
Khurshid A Mattoo ◽  
Abdulmajeed S Okshah ◽  
Ahid A Al-Shahrani ◽  
Abdulkhaliq Ali F Alshadidi ◽  
Fawzia I Shaabi ◽  
...  
Keyword(s):  
Medical Students ◽  
Temporomandibular Joint ◽  
Temporomandibular Disorders ◽  
Age Groups ◽  
Temporomandibular Joint Disorders ◽  
Dental Occlusion ◽  
Undergraduate Medical Students ◽  
Significance Level ◽  
Khat Chewing ◽  
Significant Difference

ABSTRACT Introduction The aim of this study was to assess the prevalence and severity of temporomandibular joint disorders (TMDs) among undergraduate medical students in the presence of khat chewing over a period of time. Materials and methods Totally, 186 medical college students (age ≤ 20 years) were randomly selected for the present study. The study subjects were divided into two groups according to age, under 20 and above 20 years. The study was based on Fonseca's anamnestic index and its questionnaire, which is composed of 10 questions and classifies the severity of TMDs. The obtained data were coded and entered into Statistical Package for the Social Sciences (SPSS) program for analysis using chi-square test at significance level of 5%. Results Most of the participants were male (68.8%) students and older than 20 years (63%). Those who reported with khat chewing comprised 31.7%. From the total samples, only 38.0% was classified as having mild TMD and 0.50% were classified as having severe TMD. Poor dental articulation, grinding of teeth, headaches, tense personalities, and temporomandibular joint (TMJ) clicking were the most common clinical findings. The mean scores showed no significant difference among gender (p ≤ 0.29) and the khat chewing (p ≤ 0.531) groups for the 10 questions. However, it showed significant difference among age groups (p ≤ 0.025). Conclusion The majority of subjects complained of mild TMD, while only a few cases showed a moderate TMD among different age groups. The most frequently reported dysfunctions were related to poor dental articulation and grinding of the teeth, frequent headaches, the clicking of joint, and tense personalities. No significant difference was found between gender and khat and nonkhat chewing groups. Clinical significance Khat chewing is a parafunctional habit and affects dental occlusion (especially cuspal wear) in terms of anterior guidance. Such alterations in occlusion are known to be one of the causative (predisposing) factors of TMD. How to cite this article Al Moaleem MM, Okshah AS, Al-Shahrani AA, Alshadidi AAF, Shaabi FI, Mobark AH, Mattoo KA. Prevalence and Severity of Temporomandibular Disorders among Undergraduate Medical Students in Association with Khat Chewing. J Contemp Dent Pract 2017;18(1):23-28.

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