The aim of this study is to investigate the bacterial loads present on essix retainers in patients' contention therapy. Patients are randomly divided into three groups, depending on the product used for the cleansing of the retainers: Geldis, Polident tablets and water. Microbiological samples were taken from the retainers at the baseline, after 1 and after 2 months, together with Bleeding Index, Plaque Index, BEWE Index and Schiff Air Sensitivity test.
The aim of this study is to investigate the bacterial loads present on essix retainers in patients' contention therapy. Patients who wear essix retainers for contention therapy are randomly divided into three groups, depending on the product used for the cleansing of the retainers: Geldis, Polident tablets and water. Periodontal evaluation and microbiological samples are conducted at the baseline, after 1 and after 2 months. Bacterial loads are collected from essix retainers, whereas Bleeding Index, Plaque Index, BEWE Index and Schiff Air Sensitivity test are assessed from the patients' mouth.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
15
Patients will clean their essix retainers with Geldis® using a toothbrush every night for 2 months.
Patients will leave their essix retainers in a glass with water and Polident tablets every night for 2 months.
Patients will brush their essix retainers with a toothbrush under water every night for 2 months.
Unit of Dental Hygiene - Section of Dentistry - Department of Clinical, Surgical, Diagnostic and Paediatrics - University of Pavia
Pavia, Lombardy, Italy
Change in PCR% - Plaque Control Record (percentage)
% assessment of the amount of plaque on dental surfaces; it is detected on 4 surfaces: distal, mesial, vestibular, lingual / palatal. The number of sites with plaque is divided by the total number of sites available in the mouth and multiplied by 100. Results indicate the index as a percentage.
Time frame: Study begin, 1 and 2 months
Change in BOP - Bleeding on Probing (percentage)
Site-specific assessment of the presence or absence of gum bleeding after the insertion of the periodontal probe for the detection of PPD, detected on 4 sites (mesial, distal, vestibular, palatal/lingual). Percentage of sites with bleeding on probing determines the BOP%.
Time frame: Study begin, 1 and 2 months
Change in Schiff Air Index - Dental sensitivity test
Scoring criteria: * 0: the subject did not respond to air blasting; * 1: the subject responded to air blasting; * 2: the subject responded to air blasting and requested discontinuation; * 3: the subject responded to air blasting, requested discontinuation and considered the stimulus to be painful.
Time frame: Study begin, 1 and 2 months
Change of the BEWE Index - Basic Erosive Wear Examination (Barlet et al., 2008)
Scoring criteria: 0: no erosive tooth wear; 1. initial loss of surface texture; 2. distinct defect, hard tissue loss \< 50% of the surface area; 3. hard tissue loss ≥ 50% of the surface area.
Time frame: Study begin, 1 and 2 months
Change in microbiological loads of clear aligners
Microbiological assessment of the following loads: * Porphyromonas gingivalis * Tannarella forsythensis * Treponema denticola * Peptostreptococcus micros * Total bacterial load
Time frame: Study begin, 1 and 2 months
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