Presence of systemic health problemsILI utilization is expected to increase because dental patients prefer fewer soft tissue anesthesia and dentists aim to reduce administration of traditional inferior alveolar nerve block (INAB) for routine restorative procedures.Injection methodology: The periodontal ligament space provides an accessible route to the cancellous alveolar bone, and the anesthetic reaches the pulpal nerve via natural perforation of intraoral bone tissue.Advantages of ILI over INAB: rapid onset (within 30 seconds), small dosage required (0.2-1.0 mL), limited area of numbness, lower intrinsic risks such as neuropathy, hematoma, trismus/jaw sprain and self-inflicted periodontal tissue injury, as well as decreased cardiovascular disturbances. Its usage as a secondary or supplementary anesthesia on the mandible has reported a high success rate of above 90%.Disadvantages: Risk of temporary periodontal tissue damage, likelihood of bacteriemia and endocarditis for at-risk populations, appropriate pressure and correct needle placement are imperative for anesthetic success, short duration of pulpal anesthesia limits the use of ILIs for several restorative procedures that require longer duration, postoperative discomfort, and injury on unerupted teeth such as enamel hypoplasia and defects. Technique description:

All plaque and calculus to be eradicated, optimally before the operative visit to assist gingival tissue healing. Before injection, disinfect gingival sulcus with 0.2% chlorhexidine solution. Administration of soft tissue anesthesia is recommended prior to ILI administration. This helps to enhance patient comfort. Needle gauges of sizes 27-gauge short or 30-gauge ultra-short needle are usually utilized.
"In the American literature, the terms long-face syndrome and short-face syndrome are often used." To be sure, there are reported "long and short face anomalies" and open bite cases. However, in the opinion of Hugo Obwegeser, there is no medical justification for naming them as a "syndrome"—the signs and symptoms do not meet the definitional threshold. : 22 There is controversy concerning the use of the descriptor "long-face syndrome." While increased anterior "total and lower face height" in many ages, combined with vertical maxillary excess in adults has been observed, the causes are controversial. Specifically, there is disagreement about possible potential environmental influences on genetic components.Anecdotally, it was said to be a genetic condition, which could only be corrected with "massive amounts" of debilitating, frequent and long dental and facial reconstructive surgery.In children, there is a concern that mouth breathing can contribute to the development of long face syndrome. A recent study finds that it is a growing problem which should be treated as "it wont just go away." In addition to mouth breathing, it may be associated with sleep apnea.Because of long face syndromes sometime association with pediatric obstructive sleep apnea (OSA) and allergic reactions, it is essential that treating physicians differentiate the conditions and the treatments; treating one may not cure the other. Notable people
Actor and screenwriter Craig Chester says he has had  the condition. See also
Adenoid facies
Facies (medical)
Dolichocephaly

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== References ==