Ankyloglossia
Encyclopedia
Ankyloglossia, commonly known as tongue tied, is a congenital oral anomaly which may decrease mobility of the tongue tip and is caused by an unusually short, thick lingual frenulum, a membrane connecting the underside of the tongue to the floor of the mouth. Ankyloglossia varies in degree of severity from mild cases characterized by mucous membrane
Mucous membrane
The mucous membranes are linings of mostly endodermal origin, covered in epithelium, which are involved in absorption and secretion. They line cavities that are exposed to the external environment and internal organs...

 bands to complete ankyloglossia whereby the tongue
Tongue
The tongue is a muscular hydrostat on the floors of the mouths of most vertebrates which manipulates food for mastication. It is the primary organ of taste , as much of the upper surface of the tongue is covered in papillae and taste buds. It is sensitive and kept moist by saliva, and is richly...

 is tethered to the floor of the mouth
Mouth
The mouth is the first portion of the alimentary canal that receives food andsaliva. The oral mucosa is the mucous membrane epithelium lining the inside of the mouth....

.

Effects

Ankyloglossia can affect feeding
Feeding
Feeding is the process by which organisms, typically animals, obtain food. Terminology often uses either the suffix -vore from Latin vorare, meaning 'to devour', or phagy, from Greek φαγειν, meaning 'to eat'.-Evolutionary history:...

, speech, and oral hygiene
Oral hygiene
Teeth cleaning is part of oral hygiene and involves the removal of dental plaque from teeth with the intention of preventing cavities , gingivitis, and periodontal disease. People routinely clean their own teeth by brushing and interdental cleaning, and dental hygienists can remove hardened...

 as well as have mechanical/social effects. Ankyloglossia can also prevent the tongue from contacting the anterior palate
Palate
The palate is the roof of the mouth in humans and other mammals. It separates the oral cavity from the nasal cavity. A similar structure is found in crocodilians, but, in most other tetrapods, the oral and nasal cavities are not truly separate. The palate is divided into two parts, the anterior...

. This can then promote an infantile swallow
Swallowing
Swallowing, known scientifically as deglutition, is the process in the human or animal body that makes something pass from the mouth, to the pharynx, and into the esophagus, while shutting the epiglottis. If this fails and the object goes through the trachea, then choking or pulmonary aspiration...

 and hamper the progression to an adult-like swallow which can result in an open bite deformity. It can also result in mandibular prognathism; this happens when the tongue contacts the anterior portion of the mandible with exaggerated anterior thrusts.
Ankyloglossia, commonly known as tongue tied, is a congenital oral anomaly which may decrease mobility of the tongue tip and is caused by an unusually short, thick lingual frenulum, a membrane connecting the underside of the tongue to the floor of the mouth. Ankyloglossia varies in degree of severity from mild cases characterized by mucous membrane
Mucous membrane
The mucous membranes are linings of mostly endodermal origin, covered in epithelium, which are involved in absorption and secretion. They line cavities that are exposed to the external environment and internal organs...

 bands to complete ankyloglossia whereby the tongue
Tongue
The tongue is a muscular hydrostat on the floors of the mouths of most vertebrates which manipulates food for mastication. It is the primary organ of taste , as much of the upper surface of the tongue is covered in papillae and taste buds. It is sensitive and kept moist by saliva, and is richly...

 is tethered to the floor of the mouth
Mouth
The mouth is the first portion of the alimentary canal that receives food andsaliva. The oral mucosa is the mucous membrane epithelium lining the inside of the mouth....

.

Effects

Ankyloglossia can affect feeding
Feeding
Feeding is the process by which organisms, typically animals, obtain food. Terminology often uses either the suffix -vore from Latin vorare, meaning 'to devour', or phagy, from Greek φαγειν, meaning 'to eat'.-Evolutionary history:...

, speech, and oral hygiene
Oral hygiene
Teeth cleaning is part of oral hygiene and involves the removal of dental plaque from teeth with the intention of preventing cavities , gingivitis, and periodontal disease. People routinely clean their own teeth by brushing and interdental cleaning, and dental hygienists can remove hardened...

Travis, Lee Edward (1971). Handbook of speech language pathology and audiology. New York, New York: Appleton-Century-Crofts Education Division Meredith Corporation. as well as have mechanical/social effects.Lalakea, M. Lauren, Messner, Anna H. (2003a). Ankyloglossia: The adolescent and adult perspective. Otolaryngology – Head and Neck Surgery. 128 (5), 746-752. Ankyloglossia can also prevent the tongue from contacting the anterior palate
Palate
The palate is the roof of the mouth in humans and other mammals. It separates the oral cavity from the nasal cavity. A similar structure is found in crocodilians, but, in most other tetrapods, the oral and nasal cavities are not truly separate. The palate is divided into two parts, the anterior...

. This can then promote an infantile swallow
Swallowing
Swallowing, known scientifically as deglutition, is the process in the human or animal body that makes something pass from the mouth, to the pharynx, and into the esophagus, while shutting the epiglottis. If this fails and the object goes through the trachea, then choking or pulmonary aspiration...

 and hamper the progression to an adult-like swallow which can result in an open bite deformity. It can also result in mandibular prognathism; this happens when the tongue contacts the anterior portion of the mandible with exaggerated anterior thrusts.
Ankyloglossia, commonly known as tongue tied, is a congenital oral anomaly which may decrease mobility of the tongue tip and is caused by an unusually short, thick lingual frenulum, a membrane connecting the underside of the tongue to the floor of the mouth. Ankyloglossia varies in degree of severity from mild cases characterized by mucous membrane
Mucous membrane
The mucous membranes are linings of mostly endodermal origin, covered in epithelium, which are involved in absorption and secretion. They line cavities that are exposed to the external environment and internal organs...

 bands to complete ankyloglossia whereby the tongue
Tongue
The tongue is a muscular hydrostat on the floors of the mouths of most vertebrates which manipulates food for mastication. It is the primary organ of taste , as much of the upper surface of the tongue is covered in papillae and taste buds. It is sensitive and kept moist by saliva, and is richly...

 is tethered to the floor of the mouth
Mouth
The mouth is the first portion of the alimentary canal that receives food andsaliva. The oral mucosa is the mucous membrane epithelium lining the inside of the mouth....

.

Effects

Ankyloglossia can affect feeding
Feeding
Feeding is the process by which organisms, typically animals, obtain food. Terminology often uses either the suffix -vore from Latin vorare, meaning 'to devour', or phagy, from Greek φαγειν, meaning 'to eat'.-Evolutionary history:...

, speech, and oral hygiene
Oral hygiene
Teeth cleaning is part of oral hygiene and involves the removal of dental plaque from teeth with the intention of preventing cavities , gingivitis, and periodontal disease. People routinely clean their own teeth by brushing and interdental cleaning, and dental hygienists can remove hardened...

Travis, Lee Edward (1971). Handbook of speech language pathology and audiology. New York, New York: Appleton-Century-Crofts Education Division Meredith Corporation. as well as have mechanical/social effects.Lalakea, M. Lauren, Messner, Anna H. (2003a). Ankyloglossia: The adolescent and adult perspective. Otolaryngology – Head and Neck Surgery. 128 (5), 746-752. Ankyloglossia can also prevent the tongue from contacting the anterior palate
Palate
The palate is the roof of the mouth in humans and other mammals. It separates the oral cavity from the nasal cavity. A similar structure is found in crocodilians, but, in most other tetrapods, the oral and nasal cavities are not truly separate. The palate is divided into two parts, the anterior...

. This can then promote an infantile swallow
Swallowing
Swallowing, known scientifically as deglutition, is the process in the human or animal body that makes something pass from the mouth, to the pharynx, and into the esophagus, while shutting the epiglottis. If this fails and the object goes through the trachea, then choking or pulmonary aspiration...

 and hamper the progression to an adult-like swallow which can result in an open bite deformity. It can also result in mandibular prognathism; this happens when the tongue contacts the anterior portion of the mandible with exaggerated anterior thrusts.

Professional opinion

Opinion varies, however, regarding how frequently ankyloglossia truly causes problems. Some professionals believe it is rarely symptomatic, whereas others believe it is associated with a variety of problems. The disagreement among professionals was documented in a study by Messner and Lalakea (2000). The authors sent a survey to a total of 1598 otolaryngologists, pediatricians, speech-language pathologists and lactation consultants with questions to ascertain their beliefs on ankyloglossia; 797 of the surveys were fully completed and used in the study. It was found that 69 percent of lactation consultants but only a minority of pediatricians answered that ankyloglossia is frequently associated with feeding difficulties; 60 percent of otolaryngologists and 50 percent of speech pathologists answered that ankyloglossia is sometimes associated with speech difficulties compared to only 23 percent of pediatricians; 67 percent of otolaryngologists compared to 21 percent of pediatricians answered that ankyloglossia is sometimes associated with social and mechanical difficulties. Limitations of this study include a reduced sample size
Sample size
Sample size determination is the act of choosing the number of observations to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample...

 due to unreturned or incomplete surveys.

Speech

Messner and Lalakea studied speech in children with ankyloglossia. They noted that the phonemes likely to be affected due to ankyloglossia include sibilants and lingual sounds such as 'r'. In addition, the authors also state that it is uncertain as to which patients will have a speech disorder
Speech disorder
Speech disorders or speech impediments are a type of communication disorders where 'normal' speech is disrupted. This can mean stuttering, lisps, etc. Someone who is unable to speak due to a speech disorder is considered mute.-Classification:...

 that can be linked to ankyloglossia and that there is no way to predict at a young age which patients will need treatment. The authors studied 30 children from one to 12 years of age with ankyloglossia, all of whom underwent frenuloplasty
Frenuloplasty
A Frenuloplasty of tongue is a Frenuloplasty of the frenulum of tongue.A tight frenulum in this context is sometimes referred to as "tongue-tie" which is also known as ankyloglossia. In this condition the frenulum of the tongue restricts range of motion which may interfere with breastfeeding or...

. Fifteen children underwent speech evaluation before and after surgery. Eleven patients were found to have abnormal articulation
Manner of articulation
In linguistics, manner of articulation describes how the tongue, lips, jaw, and other speech organs are involved in making a sound. Often the concept is only used for the production of consonants, even though the movement of the articulars will also greatly alter the resonant properties of the...

 before surgery and nine of these patients were found to have improved articulation after surgery. Based on the findings, the authors concluded that it is possible for children with ankyloglossia to have normal speech in spite of decreased tongue mobility. However, according to their study, a large percent of children with ankyloglossia will have articulation deficits that can be linked to tongue tie and these deficits may be improved with surgery. The authors also note that ankyloglossia does not cause a delay in speech or language but, at the most, problems with enunciation. Limitations of the study include a small sample size as well as a lack of blinding of the speech-language pathologists who evaluated the subjects’ speech.

Messner and Lalakea also examined speech and ankyloglossia in another study. They studied 15 patients and speech was grossly normal in all of the subjects. However, half of the subjects reported that they thought that their speech was more effortful than other peoples’ speech.

Horton et al. discussed the relationship between ankyloglossia and speech. The authors believe that tongue tie contributes to difficulty in range and rate of articulation and that compensation is needed. Compensation at its worst, the article states, may involve a Cupid's bow
Cupid's bow
Cupid's bow is a facial feature where the double curve of a human upper lip is said to resemble the bow of Cupid, the Roman god of erotic love...

 of the tongue.

While the tongue tie exists, and even years after removal, common speech abnormalities include mispronunciation of words. The most common is pronouncing Ls as Ws; for example the word "lemonade" would come out as "wemonade."

Mechanical/Social

Ankyloglossia can result in mechanical and social effects. Lalakea and Messner studied 15 people, aged 14 to 68 years. The subjects were given questionnaires in order to assess functional complaints associated with ankyloglossia. Eight subjects noted one or more mechanical limitations which included cuts or discomfort underneath the tongue and difficulties with kissing, licking one’s lips, eating an ice cream cone
Ice cream cone
An ice cream cone, poke or cornet is a dry, cone-shaped pastry, usually made of a wafer similar in texture to a waffle, allowing ice cream to be eaten without a bowl or spoon...

, keeping one’s tongue clean and performing tongue tricks. In addition, seven subjects noted social effects such as embarrassment and teasing
Teasing
Teasing is a word with many meanings. In human interactions, teasing comes in two major forms, playful and hurtful. When teasing is playful and friendly, and especially when it is reciprocal, teasing can be regarded as flirting. People may be teased on such matters as their appearance, weight,...

. The authors concluded that this study confirmed anecdotal evidence of mechanical problems associated with ankyloglossia and that it suggests that the kinds of mechanical and social problems noted may be more prevalent than previously thought. Furthermore, the authors note that some patients may be unaware of the extent of the limitations they have due to ankyloglossia since they have never experienced normal tongue range. A limitation of this study is the small sample size that also represented a large age range.

Lalakea and Messner note that mechanical and social effects may occur even without other problems related to ankyloglossia such as speech and feeding difficulties. Also, mechanical and social effects may not arise until later in childhood as younger children may be unable to recognize or report the effects. In addition, some problems may not come about until later in life, such as kissing.

Intervention

There are varying types of intervention for ankyloglossia. Horton et al. have a classical belief that people with ankyloglossia can compensate in their speech for limited tongue range of motion. For example, if the tip of the tongue is restricted for making sounds such as /n, t, d, l/, the tongue can compensate through dentalization; this is when the tongue tip moves forward and up. When producing /r/, elevation of the mandible can compensate for restriction of tongue movement. Also, compensations can be made for /s/ and /z/ by using the dorsum
Dorsum
Dorsum is a Latin word. In science, it could mean:* Dorsum , the posterior side of an animal* Dorsum , a term used in astrogeology for a ridge* Theta Capricorni, a star on the back of the Goat...

 of the tongue for contact against the palatal rugae. Thus, Horton et al. proposed compensatory strategies as a way to counteract the adverse effects of ankyloglossia and did not promote surgery.

However, intervention for ankyloglossia sometimes includes surgery in the form of frenotomy (also called a frenectomy or frenulectomy) or frenuloplasty. This may be done by laser. However, authors such as Horton et al. are in opposition to it. According to Lalakea and Messner, surgery can be considered for patients of any age with a tight frenulum as well as a history of speech, feeding, or mechanical/social difficulties. Adults with ankyloglossia may elect the procedure. Some of those who have done so report post-operative pain.

A viable alternative to surgery is to take a wait-and-see approach. Ruffoli et al. report that the frenulum naturally recedes during the process of a child's growth between six months and six years of age;
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK