Table 2.

Adverse events which include common & well understood consequences of treatment, less common and unpleasant side-effects and rare events

	Adverse event
Procedure	Common & well understood consequences of treatment	Less common & unpleasant side effects	Rare events
Restorations in teeth and crowns on teeth (conventional)	● Occlusal discomfort	● pain, pulpitis	● trauma to soft tissues
	● damage to adjacent teeth	● localised reaction to bonding agents or restoration materials
	● caries progression	● dental abscess
		● facial swelling
Crowns on teeth (Hall)	● immediate gingival discomfort/ pain	● longer lasting gingival pain	● localised reaction to crowns
	● occlusal discomfort	● pulpitis
		● dental abscess
		● facial swelling
Inhalational sedation		● dizziness and nausea	● under- or over-sedation
Local anaesthetic	● pain at site of injection (during or immediately following injection)	● self-inflicted trauma to soft tissues	● trismus
			● prolonged altered sensation
			● swelling
			● haematoma
			● allergic reaction
Extraction of tooth	● pain around site	● early and delayed post extraction bleeding	● TMJ pain
	● swelling	● infection of socket
Fluoride varnish			● nausea post-application
			● allergic reaction
Fissure sealants		● caries progression
Acid etch on teeth prior to restoration or fissure sealant		● discomfort and minor irritation of oral tissues