ozone therapy has been extensively used in dentistry to manage wounds healing, dental caries, oral lichen planus, gingivitis and periodontitis, halitosis, osteonecrosis of the jaw, post-surgical pain, plaque and biofilms, root canal treatment, dentin hypersensitivity, tempro-mandibular joint disorders and teeth whitening, And based on the above, in this study kiwi extract and ozone gas will be used individually and combined to evaluate the resultant effects on bleaching, enamel microhardness and micromorphology.
A total of the 40 participants aged between (18-35 years) with no gender prediction.
The participation will be entirely voluntary, and a signed statement of informed consent will be obtained prior to the start of the study.
Systemically healthy subject based on medical and drug histories, a subject requiring scaling and polishing with moderate calculus with at least two non-adjacent hypersensitive teeth with Schiff scale scores >1 with air blast stimulus.
Access to sound maxillary anterior teeth.
Participants with poor oral hygiene.
Participants with missing anterior teeth.
Participants with unrealistic expectations.
Participants with dental caries, those undergoing orthodontic treatment.
Parallel
Bleaching
DeviceBleaching
Color change assessment
all participants will be requested to return after 24 hours to permit rehydration of tooth surfaces before shade assessment Tooth Shades will then record using colorimeter. The color change (ΔE) will be calculated using the formula: ΔE= {(ΔL) 2+ (Δa) 2+ (Δb)
Color change assessment
all participants will be requested to return after one month for tooth shades recording using colorimeter. The color change (ΔE) will be calculated using the formula: ΔE= {(ΔL) 2+ (Δa) 2+ (Δb) at one month
Color change assessment
all participants will be requested to return after one month for tooth shades recording using colorimeter. The color change (ΔE) will be calculated using the formula: ΔE= {(ΔL) 2+ (Δa) 2+ (Δb) at three months
Color change assessment
all participants will be requested to return after one month for tooth shades recording using colorimeter. The color change (ΔE) will be calculated using the formula: ΔE= {(ΔL) 2+ (Δa) 2+ (Δb) at six months
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