Cold Temperature

Publication Title: 
Journal of Dentistry

OBJECTIVES: A product comparison study to compare the short term clinical efficacy of a strontium acetate/silica toothpaste with an arginine/calcium carbonate paste for pain reduction in dentine hypersensitivity. METHODS: The study was examiner blind of two arm parallel design. Eighty healthy adult subjects from general dental practice with ≥2 sensitive teeth but otherwise good oral health, were enrolled and randomised to 1 of 2 toothpaste treatments, schedule provided by the sponsor. Almost equal numbers received each treatment.

Author(s): 
West, N.
Newcombe, R. G.
Hughes, N.
Mason, S.
Maggio, B.
Sufi, F.
Claydon, N.
Publication Title: 
Journal of Periodontology

BACKGROUND: The aim of the present study is to evaluate the relative abilities of three desensitizing dentifrices to provide rapid relief of dentin hypersensitivity (DH). METHODS: Using a double-mask, randomized design, three dentifrices: 1) containing 8% arginine and 1,450 ppm sodium monofluorophosphate; 2) containing 8% strontium acetate and 1,040 ppm sodium fluoride; and 3) containing 30% microaggregation of zinc-carbonate hydroxyapatite nanocrystals were compared after 3-day treatment.

Author(s): 
Orsini, Giovanna
Procaccini, Maurizio
Manzoli, Lamberto
Sparabombe, Scilla
Tiriduzzi, Paolo
Bambini, Fabrizio
Putignano, Angelo
Publication Title: 
Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research

AIMS: A randomized clinical trail was designed to compare the efficacy of two commercially available desensitizing agents (fluoride varnish containing 6% sodium fluoride and 6% calcium fluoride and a gel containing 6% potassium nitrate and 0.11% fluoride ions) in the treatment of dentinal hypersensitivity. SETTINGS AND DESIGN: Randomized clinical trial. MATERIALS AND METHODS: Twenty-one patients were selected. Subjects were evaluated using three different stimuli, i.e., tactile test, air blast test and cold water test. They were then randomly divided into two groups.

Author(s): 
Pandit, Nymphea
Gupta, Rajan
Bansal, Aarti
Publication Title: 
American Journal of Dentistry

PURPOSE: To assess the dentin hypersensitivity-reducing effectiveness of a 0.454% stannous-containing dentifrice as compared to a marketed negative control dentifrice after the first brushing as well as after 3 days and 2 weeks of twice daily use. METHODS: This was a 2-week, randomized, double-blind, parallel group, single-center clinical investigation in confirmed dentin hypersensitivity adult sufferers.

Author(s): 
He, Tao
Barker, Matthew L.
Biesbrock, Aaron
Sharma, Naresh
Publication Title: 
Canadian Medical Association Journal

Patients suffering from acute dental pain were treated with ice massage of the web between the thumb and index finger of the hand on the same side as the painful region. Control groups received tactile massage alone or with explicit suggestion that the massage was intended to alleviate their pain. Changes in pain intensity produced by the procedures were measured with the McGill Pain Questionnaire. Ice massage decreased the intensity of the dental pain by 50% or more in the majority of patients.

Author(s): 
Melzack, R.
Guité, S.
Gonshor, A.
Publication Title: 
World journal of gastroenterology: WJG

AIM: To study the protective effect of acupuncturing Tsusanli (S(T)36) on cold stress ulcer, and the expression of nitric oxide synthase (NOS) in hypothalamus and adrenal gland. METHODS: Ulcer index in rats and RT-PCR were used to study the protective effect of acupuncture on cold stress ulcer, and the expression of NOS in hypothalamus and adrenal gland. Images were analyzed with semi-quantitative method. RESULTS: The ulcer index significantly decreased in rats with stress ulcer. Plasma cortisol concentration was up regulated during cold stress, which could be depressed by pre-acupuncture.

Author(s): 
Sun, Jin-Ping
Pei, Hai-tao
Jin, Xiang-Lan
Yin, Ling
Tian, Qing-Hua
Tian, Shu-Jun
Publication Title: 
World journal of gastroenterology: WJG

AIM: To investigate the effects and mechanisms of vasoactive intestinal peptide (VIP) and nitric oxide (NO) in the modulation of electroacupucture (EA) on gastric motility in restrained-cold stressed rats. METHODS: An animal model of gastric motility disorder was established by restrained-cold stress. Gastric myoelectric activities were recorded by electrogastroenterography (EGG). VIP and NO concentrations in plasma and gastric mucosal and bulb tissues were detected by radioimmunoassay (RIA).

Author(s): 
Shen, Guo-Ming
Zhou, Mei-Qi
Xu, Guan-Sun
Xu, Ying
Yin, Gang

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