Table 1.

Characteristics and symptoms of three patients with atypical tooth sensitivity

Characteristics	Patient 1	Patient 2	Patient 3
Gender/age (years)	Female/53	Female/55	Female/49
Chief complaint	Dental pain after being outdoor in a cold environment and going back to a “physiological temperature” environment
Pain characteristics	Diffuse, dull and throbbing Set off after a short latency and may last several hours
VAS	6	8	8
Pain alleviation	Paracetamol	Paracetamol or ibuprofen	Paracetamol
Causal teeth*	11-21	11-21-42	11-21
Clinical examination findings	Cervical light-cure glaze on exposed dentin at the cervical margin (≤1 mm); Class III composite 11M; 21M	≤1 mm exposed dentin at the cervical margin	Composite facet
Cold test	Normal	Normal	Normal
Electrical pulp test	++	++	+
Diagnosis	Dental pain induced by thermal differential allodynia
Treatment	Veneer facet	Protective soft mouth guard	Veneer facet reflection

Note:

^*Universal tooth numbering system.

Abbreviation: VAS, visual analog scale.