scholarly journals Bite Force and Masticatory Muscle Architecture Adaptations in the Dietarily Diverse Musteloidea (Carnivora)

2019 ◽  
Vol 302 (12) ◽  
pp. 2287-2299 ◽  
Author(s):  
Adam Hartstone‐Rose ◽  
Isabella Hertzig ◽  
Edwin Dickinson
2017 ◽  
Vol 231 (3) ◽  
pp. 380-397 ◽  
Author(s):  
P.-H. Fabre ◽  
A. Herrel ◽  
Y. Fitriana ◽  
L. Meslin ◽  
L. Hautier

2010 ◽  
Vol 34 (4) ◽  
pp. 369-374 ◽  
Author(s):  
Paula Midori Castelo ◽  
Maria Beatriz Duarte Gavião ◽  
Luciano José Pereira ◽  
Leonardo Rigoldi Bonjardim

Objective: To determine morphological and functional effects on masticatory system of early treatment of functional posterior crossbite in young children. Study design: 23 children were divided into two groups:deciduous (DecG, n=11) and early mixed dentition (MixG, n=12), which received slow maxillary expansion. Maximal bite force, ultrasonographic masticatory muscle thickness and facial asymmetry were evaluated in three stages: before the start of treatment (s1), after three months of retention (s2), and after three months of observation (s3). The results were analyzed by Mann-Whitney U-test, correlation test, repeated measures ANOVA and backward stepwise multiple regression. Results. Bite force and temporalis thickness increased from s1 to s2 and s3 in both groups (p<0.05). Body mass index (BMI) increased significantly from s1 to s3 only in the MixG, but the masseter thickness did not differ among the stages. The correlation between the angle of the eye and the angle of the mouth in relation to the mid-sagital plane increased from s1 to s3. Masticatory muscle thickness contributed significantly to bite force magnitude in all stages, whereas age and BMI showed no significant contribution to its variation. Conclusion: Bite force and temporalis muscle thickness increased significantly in children after early treatment of functional crossbite.


2021 ◽  
Vol 10 (3) ◽  
pp. e38810313468
Author(s):  
Carolina Carvalho Bortoletto ◽  
Fernanda Yukie Kobayashi ◽  
Lara Jansiski Motta ◽  
Raquel Agnelli Mesquita-Ferrari ◽  
Kristianne Porta Santos Fernandes ◽  
...  

Objective: Sleep bruxism (SB) is considered masticatory muscle activities that occur during sleep, which can interfere in stomatognathic system function. When treatment occurs earlier, most of the signs and symptoms can be prevented. However, there are few studies about treatment in early ages. Thus, the present study aimed to evaluate muscle activity and bite force changes after massage therapy (MT) and the use of occlusal splints (OST) for children with SB. Methodology: Forty-eight children were divided into 4 groups after SB diagnosis, according to the American Academy of Sleep Medicine’s criteria: Group 1–without bruxism; Group 2–SB, MT treated; Group 3–SB, OST treated for 30 days; Group 4–SB, not treated.  Children were submitted to initial and final bite force (BF) evaluations and muscular activity, using a digital dynamometer and BiteStrip®, respectively. The results were computed and statistical analysis performed using SPSS 20.0 program, with a significant level of 95% (p ≤ 0.05). Results: Significant differences were statistically found in muscle activity in Group 3 (p = 0.003) and BF in both Groups 2 (p = 0.001) and 3 (p = 0.007). Conclusion: Results indicate that the use of OST led to a reduction in muscle activity and increase on BF in children with SB, whereas MT did not alter muscle activity, but provided an increase on BF in these children.


2019 ◽  
Vol 33 (S1) ◽  
Author(s):  
Kaitlyn C. Leonard ◽  
Marissa L. Boettcher ◽  
Edwin Dickinson ◽  
Anthony Herrel ◽  
Adam Hartstone‐Rose

2001 ◽  
Vol 41 (1) ◽  
pp. 49-56 ◽  
Author(s):  
P‐J. Lamey ◽  
C.A. Burnett ◽  
L. Fartash ◽  
T.J. Clifford ◽  
J.M. McGovern

2020 ◽  
Vol 9 (10) ◽  
pp. 3330
Author(s):  
Susumu Abe ◽  
Akane Miyagi ◽  
Kaoru Yoshinaga ◽  
Yoshizo Matsuka ◽  
Fumihiro Matsumoto ◽  
...  

Transcutaneous electrical nerve stimulation (TENS) is a non-invasive treatment modality for acute and chronic pain. However, little information for muscle activity is available on the immediate effects of TENS in masticatory muscle pain related to temporomandibular disorders (TMDs). The present study aimed to evaluate the immediate effects of TENS treatment on TMD-related muscle pain. Thirty-six patients with TMD-related muscle pain and 39 healthy subjects served as TMD and control groups, respectively. For objective evaluations, maximum mouth opening, and maximum bite force were measured before and after TENS. The pain intensity was assessed according to a 100-mm visual analog scale (VAS). TENS was applied to painful muscles for 20 min with frequencies of 100–200 Hz. The treatment outcome was evaluated using Global Rating of Change (GRC) scales. In the TMD group, VAS values significantly decreased after TENS. Although there was significant increase in the maximum mouth opening after TENS for only TMD group, the maximum bite force of both groups was significantly greater after TENS. According to GRC scales, one patient with TMD-related muscle pain expressed negative feelings after TENS. Conclusively, TENS treatment might quickly relieve pain in masticatory muscles and improve masticatory functions in patients with TMD-related muscle pain.


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