This study will be performed to assess the effect of inert prepared tooth paste loaded with Calcium Silicate Nanoparticles (CSNPs) and compare it to another one containing Sodium Fluoride Nanoparticles in the management of patients complaining of hypersensitivity and laboratory investigating the efficacy of CSNPs and NaFl Nps containing toothpaste in dentinal tubules occlusion.
Hypersensitive areas on facial surfaces of the teeth (incisors, cuspids, bicuspids, and first molars with exposed cervical dentine)
Areas with hard tissue erosion
cuneiform defect, pathological abrasion.
Gingival recession
chipped teeth
Defective restorations
fractured un displaced cuspids
deep dental caries
Parallel
toothpaste
Other interventiongroup of patients with hypersensitive areas will use the calcium silicate toothpaste twice per day (morning and bedtime) the toothpaste will be applied uniformly using medium toothbrush to the hypersensitive surfaces for 30seconds. After that, the patient will rinse their mouth with plain water. the other group of patients will use the sodium fluoride toothpaste twice per day (morning and bedtime). The toothpaste will be applied uniformly using a medium toothbrush to the hypersensitive areas for 30 seconds after that the patients will rinse their mouth with plain water
The Visual analogue scale
The Visual analogue scale on a scale (0 = no pain,10 = extreme pain).
The Verbal rating scale
The Verbal rating scale from to: (0 = no discomfort, 1=mild discomfort,2 = significant discomfort,3= significant discomfort lasting more than 10 seconds)
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