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Related to impaction: inertial impaction, tooth impaction

have an impact on someone or something

to leave an impression on someone or something. The sharp change in interest rates had an impact on the housing market. Your story really had an impact on me.
See also: have, impact, on

impact (up)on someone or something

[for something] to have an effect on someone or something. (Upon is formal and less commonly used than on.) This plant closing will impact upon the local economy for years to come. The day's troubles impacted on Rachel quite seriously.
See also: impact, on

upon impact

Fig. at the place or time of an impact. The car crumpled upon impact with the brick wall. The man who fell from the top of the building died on impact.
See also: impact, upon

impact on

To have an effect on someone or something: The results of the election will impact on upcoming legislation.
See also: impact, on
References in periodicals archive ?
The pattern of eruption, degree of impaction and incidence of agenesis is dependent upon facial growth, functional masticatory apparatus, nature of diet, teeth size, genetic variation and extent of tooth attrition.
Adults are more likely to confirm the ingestion and recognise the point of discomfort; nevertheless, the site of discomfort might not always be the sight of impaction.
The refluxed water from the gastric lavage was allowed to flow by gravity via the esophagus and out the mouth; however, gastric lavage to remove the impaction was unsuccessful.
These are not symptoms of cerumen impaction and need further evaluation.
The term stercoral colitis refers to a condition that mainly depends on the presence of fecal impaction material in colonic lumen associated with inflammation and distention of the affected colon segment.
The initial management of esophageal food impaction is assessment of the patient's ventilation and airway.
Endoscopic treatment remains as the standard for extracting foreign body impaction.
The site of impaction and the type of foreign body often determine the urgency of the clinical situation.
In this article, we describe our study to identify the clinical variables that are associated with an increased risk of significant postoperative complications in children with button battery impaction.
The arch wise distribution of third molar impaction in this study showed greater predilection towards mandible 130 (52%) than the maxilla 120 (48%) (Figure 1 and Table 1) (p value < 0.
7,8) The lunotriquetral ligament, a weak intrinsic ligament of the wrist, is also commonly disrupted with progressive degenerative ulnocarpal impaction.
The objectives of this study were to determine the age and gender distribution, and site of impaction and type of esophageal foreign bodies in patients reporting with foreign body ingestion.
Cerumen or wax impaction is defined as accumulation of cerumen that causes symptoms, prevents a needed assessment of ear canal/tympanic membrane or audiovestibular system or both.
Its symptoms include difficulty eating, failure to thrive, vomiting, chest or abdominal pain, problems swallowing and food impaction.