impaction

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impaction

[im′pak·shən]
(medicine)
The state of being lodged and retained in a body part.
Confinement of a tooth in the jaw so that its eruption is prevented.
A condition in which one fragment of bone is firmly driven into another fragment so that neither can move against the other.
References in periodicals archive ?
Several local factor like, mechanical obstruction from soft tissue overgrowth, supernumerary teeth, gingival fibromatoses, crowding, rotation of tooth buds, retained primary teeth and pathologic lesions are amongst most common reason for teeth impaction. (3-7) The clinical and radiographic examinations of our case revealed relatively normal jaws and oral soft tissues.
Impaction of tooth is a commonly encountered problem in clinical orthodontics.
The diagnosis was rectal impaction with sand, and surgical removal of the mass was elected.
If the resident has good renal function (if serum creatinine (Cr) less than~1.5 mg/dL or Crcl|is greater than~30ml/min), preventing impaction with regular use of milk of magnesia (MOM) 30-60 ml every night, decreasing to every second or third night.
Palatal and buccal canine impactions are considered to be completely different entities.
In the age group of 26-30 years, the results from Graphs 3 and 4 show the mesioangular third molar impactions (67%) which more frequently cause an effect on adjacent second molar which results in decay while the vertical and distoangular third molar impaction (0%) shows no effect on adjacent second molar.
Cause and Effect Relationship Between Mandibular Third Molar Impactions and Associated Pathologies .
Foreign body ingestion and food bolus impaction are common clinical emergencies.
Gastrointestinal foreign bodies and impactions across avian taxa are often a life-threatening condition that may have multifactorial etiologies, including medical and behavioral causes.
The clinical features can be harmless until foreign bodies are disposed through the natural way or take the form of major complications such as esophageal perforation [3], aortic-esophageal fistula [3], tracheoesophageal fistula [4], bowel obstruction or perforation [2] and even spondylodiscitis [5], and airway impaction [6].
Recommendations for management of ingested foreign bodies and food impactions
Dellon, "Esophageal foreign-body impactions: epidemiology, time trends, and the impact of the increasing prevalence of eosinophilic esophagitis," Gastrointestinal Endoscopy, vol.