Class III malocclusion produced by oral facial sensory deprivation in the rat

Pimenidis, Margaritis Z.; Gianelly, Anthony A.

doi:10.1016/0002-9416(77)90179-8

Cited by 8 publications

(4 citation statements)

References 19 publications

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“…Moss2122 suggested the neurotrophic effect on orofacial growth in which the neural center regulates the growth of the peripheral tissues through non-impulse transmitting neural function. The control exerted by the trigeminal nerve on maxillomandibular growth was hypothesized at that point, however it was not supported by later animal studies that evaluated the growth of craniofacial bone after resection of the trigeminal nerve 192324. The aim of this study is not to rekindle the old controversy regarding the potential regulating activity of the trigeminal nerve in facial growth.…”

Section: Discussionmentioning

confidence: 89%

“…Between the 1970s and 1980s, the trigeminal nerve received great attention from orthodontic researchers in relation to facial growth and development 192021222324. Moss2122 suggested the neurotrophic effect on orofacial growth in which the neural center regulates the growth of the peripheral tissues through non-impulse transmitting neural function.…”

Section: Discussionmentioning

confidence: 99%

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Application of the foramina of the trigeminal nerve as landmarks for analysis of craniofacial morphology

et al. 2019

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ObjectiveThe objective of this study was to develop new parameters based on the foramina of the trigeminal nerve and to compare them with the conventional cephalometric parameters in different facial skeletal types.MethodsCone-beam computed tomography (CBCT) scans and cephalograms from 147 adult patients (57 males and 90 females; mean age, 26.1 years) were categorized as Class I (1° < ANB < 3°), Class II (ANB > 5°), and Class III (ANB < −1°). Seven foramina in the craniofacial area—foramen rotundum (Rot), foramen ovale (Ov), infraorbital foramen, greater palatine foramen, incisive foramen (IF), mandibular foramen (MDF), and mental foramen (MTF)—were identified in the CBCT images. Various linear, angular, and ratio parameters were compared between the groups by using the foramina, and the relationship between the new parameters and the conventional cephalometric parameters was assessed.ResultsThe distances between the foramina in the cranial base did not differ among the three groups. However, the Rot-IF length was shorter in female Class III patients, while the Ov-MTF length, MDF-MTF length, and Ov-MDF length were shorter in Class II patients than in Class III patients of both sexes. The MDF-MTF/FH plane angle was larger in Class II patients than in Class III patients of both sexes. Most parameters showed moderate to high correlations, but the Ov-MDF-MTF angle showed a relatively low correlation with the gonial angle.ConclusionsThe foramina of the trigeminal nerve can be used to supplement assessments based on the conventional skeletal landmarks on CBCT images.

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Section: Discussionmentioning

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Application of the foramina of the trigeminal nerve as landmarks for analysis of craniofacial morphology

et al. 2019

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“…In other words, white fibres generate relatively forceful contractions, but they are also relatively easily fatigued. Altered muscle function may modify a particular type of fibre (Guth & Yellin, 1971), and red fibres in the masseter muscle of the rat may be replaced by or be converted into white fibres in association with a remodelhng of the occlusion (Pimenides & Gianelly, 1977).…”

Section: Discussionmentioning

confidence: 99%

An electromyographic and cephalometric study on facial pains and facial morphology in children

Christensen

1981

J of Oral Rehabilitation

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Twelve children, five girls and seven boys with a mean age of 12 years, exercised maximal voluntary tooth clenching until intolerable pains and total subjective exhaustion of at least the right masseter muscle forced the children to stop the isometric muscle exercise; that is, the pain tolerance, or the isometric endurance time, of at least the right masseter muscle was determined in seconds, and it amounted to an average of 100 s. Concomitantly, the electrical activity in the right masseter muscle was recorded by bipolar surface electrodes and integrated, and it showed a significant decrease of 32% during the endurance test, probably as an expression of progressive physiological muscle fatigue. A large ANB angle was associated with relatively little decline of the contractile activity and a trend not to endure pains, possibly because isometric tension was generated predominantly by muscle fibres with a high anaerobic capacity.

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“…This does not mean, however, that bone and muscle in a vegetative period behave independently. There are reports describing developmental differences of cranial bones in growing animals treated under conditions in which the muscles are under control conditions.7, [22][23][24][25][26] Oxygen and physical stimulus are necessary for the growth of bones. Contraction and relaxation cycles of masticatory muscles may not only provide the stimuli for development of bones, but also supply oxygenated The parameters of growth rate and percentage distribution are explained in Table 3.…”

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confidence: 99%

Relationship Between the Development and Growth of Cranial Bones and Masticatory Muscles in Postnatal Mice

Nakata

1981

J Dent Res

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Class III malocclusion produced by oral facial sensory deprivation in the rat

Cited by 8 publications

References 19 publications

Application of the foramina of the trigeminal nerve as landmarks for analysis of craniofacial morphology

Application of the foramina of the trigeminal nerve as landmarks for analysis of craniofacial morphology

An electromyographic and cephalometric study on facial pains and facial morphology in children

Relationship Between the Development and Growth of Cranial Bones and Masticatory Muscles in Postnatal Mice

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