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Related Concept Videos

Assessment of the Mouth01:26

Assessment of the Mouth

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A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
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Teeth01:15

Teeth

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The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
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Psychosexual Stages of Personality: Oral01:16

Psychosexual Stages of Personality: Oral

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The oral stage is the initial phase of Sigmund Freud's theory of psychosexual development, occurring from birth to approximately 12 to 18 months. During this period, the infant's mouth serves as the primary source of pleasure, with actions such as sucking, chewing, biting, and drinking playing a crucial role in reducing tension. These activities are essential not only for nourishment but also for the infant's psychological and emotional satisfaction.
Weaning, typically occurring...
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Tooth Anatomy01:21

Tooth Anatomy

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The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or...
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Development of the Oral Microbiota01:28

Development of the Oral Microbiota

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The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...
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Sutures of the Skull01:22

Sutures of the Skull

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The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
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Related Experiment Video

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The relationship between frenulum length and malocclusion.

Arash Azizi, Sona Moosavi, Abdolreza Jamilian

    General Dentistry
    |July 2, 2014
    PubMed
    Summary

    The length of the lingual frenulum is significantly related to malocclusion classes. Shorter frenula were observed in specific malocclusion groups, impacting mouth opening.

    Area of Science:

    • Orthodontics and Dental Anatomy
    • Oral and Maxillofacial Surgery

    Background:

    • The lingual frenulum, a fold of mucous membrane connecting the tongue to the floor of the mouth, can influence oral function.
    • Variations in lingual frenulum length have been anecdotally linked to orthodontic issues, but empirical data is limited.

    Purpose of the Study:

    • To investigate the correlation between lingual frenulum length and different skeletal malocclusion classifications.
    • To determine if lingual frenulum length is a significant factor in orthodontic patient categorization.

    Main Methods:

    • One hundred fifty orthodontic patients were classified into three groups based on their ANB (Point A, nasion, point B) angle.
    • Lingual frenulum length and maximum mouth opening were measured for each patient.
    • Statistical analysis, including one-way ANOVA, was employed to assess differences between groups.
    Keywords:
    angle malocclusionfrenulum lengthmaximum mouth opening

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    Main Results:

    • Statistically significant differences in mean lingual frenulum length were found across the ANB angle groups (P < 0.001).
    • Group 3 (ANB angle <0 degrees) exhibited the longest mean frenulum length (14 mm), while Group 2 (ANB angle >4 degrees) had the shortest (9.5 mm).
    • Maximum mouth opening was significantly greater in Group 3 subjects (P < 0.001).

    Conclusions:

    • Lingual frenulum length is a significant factor associated with specific skeletal malocclusion patterns.
    • The findings suggest a potential role for lingual frenulum assessment in orthodontic diagnosis and treatment planning.