Objective: The aim of this clinical study was to evaluate and compare the desensitizing effects of a gallium?aluminum?arsenide (GaAlAs) laser and sodium fluoride (NaF) varnish on dentine hypersensitivity (DH) in periodontal maintenance patients. Background data: The use of lasers opens a new dimension in the treatment of DH. Methods: Forty-eight patients with 244 teeth affected by DH were included in the trial. To be included in the study, the subjects had to have 4 or more hypersensitive teeth at different quadrants. Selected teeth were randomly assigned to a GaAlAs laser group, placebo laser group, NaF varnish group, or a placebo NaF varnish group. Laser therapy was performed at 8.5?J/cm(2) energy density. In the placebo laser group, the same laser without laser emission was used. In the...
Objective: The aim of this study was to compare the effects of erbium, chromium: yttrium, scandium, gallium, and garnet (Er,Cr:YSGG) laser application to different surface treatments on the micropush-out bond strengths between glass and quartz fiber posts and composite resin core material.
Background data: Different types of lasers have been used as an alternative to airborne particle abrasion and other surface treatment methods to enhance the bond strength of dental materials. However, there is no study regarding the use of Er,Cr:YSGG laser as a surface treatment method for fiber posts in order to improve the bond strength.
Materials and methods: Ninety-six quartz and 96 glass fiber posts with a coronal diameter of 1.8 mm were randomly divided into eight groups according the surface...
Introduction: Guided tissue regeneration (GTR) is a successful treatment procedure of periodontal reconstructive surgery. Adverse effects can be observed after GTR procedure, but external root resorption is rarely reported at clinical studies. Invasive cervical resorption is a clinical term used to describe a relatively uncommon, insidious, and often aggressive form of external root resorption. Methods: The present case demonstrates an invasive cervical resorption that is a potential late complication of GTR in a maxillary canine of a 59-year-old male patient. After the surgical intervention and root canal treatment, the resorption was subsequently sealed with mineral trioxide aggregate. Results: The 1-year follow-up demonstrates no pathologic changes on clinical and radiographic examinati...
Skleroderma, konnektif dokunun anormal sentezi
sonucunda ortaya çıkan fibrotik değişiklikler ve vasküler
deformiteler ile karakterize, sebebi bilinmeyen, organ
ve sistemleri tutmaya eğilimli sistemik ve kronik bir bağ
dokusu hastalığıdır. Sıklıkla oral ve perioral dokuları
etkileyen sklerodermanın rijit bir dil, kısıtlanmış ağız
açıklığı ve kserostomi gibi karakteristik özellikleri vardır.
Bu vaka raporu sınırlı bir ağız açıklığı olan sistemik
sklerozis hastasına interdisipliner bir tedavi yaklaşımını
sunmaktadır. Hastanın molar dişine kanal tedavisi
yapılmış ve diş eksiklikleri sabit bölümlü protezlerle
rehabilite edilmiştir. 2 yıllık takip sonucunda tedavilerin
başarılı olduğu gözlenmiştir.
karşımıza çıkan dentin hassasiyeti (DH) herhangi
bir dental defekt veya patoloji ile açıklanamayan,
kimyasal, termal, temas, ozmotik veya buharlaştırıcı
uyarana karşı ortama açılmış dentin yüzeylerinden
yayılan, kısa süreli keskin bir ağrı olarak
tanımlanmaktadır. Sert doku kaybı veya dişeti
çekilmesiyle dentin yüzeyinin açığa ve dentin
kanallarının oral kaviteye doğru açılmasıyla DH
oluşabilir. Evde veya klinikte uygulanacak
tedavinin belirlenmesinden önce tedavi planı
etiyolojik faktörler ve hastanın oral hijyen
alışkanlıkları da dikkate alınmalıdır. Tedavi
ekspoze dentin kanallarını kapatarak tübüllerdeki
sıvı akışını azaltmaya ve pulpadaki sinir iletimini
bloke eden desensitivite edici birçok kimyasal ya da
lazerlerin de dahil olduğu fiziksel ajanların
kullanımına dayal...
Aim: Attempts have been made to treat dentine hypersensitivity (DH) with lasers. However, there is limited knowledge on the effects of erbium, chromium-doped:yttrium, scandium, gallium and garnet (Er,Cr:YSGG) laser on DH. The aim of this study was to evaluate the efficacy of Er,Cr:YSGG laser on reduction in DH. Methods: Forty-two patients (146 teeth) were included. Teeth were assigned to an experimental group and irradiated with the Er,Cr:YSGG laser. In the control group same clinical instrument was used without laser emission. DH was assessed for both groups utilizing the visual analog scale. Plaque index (PI) scores were recorded immediately following treatment, at 1 week, 1 and 3 months. Results: The results showed that Er,Cr:YSGG laser irradiation had a significantly higher desensitizi...
The present randomized controlled split mouth clinical study aimed to investigate the efficacy of Er,Cr:YSGG laser irradiation on pain reduction and healing rate of recurrent aphthous stomatitis. 40 patients with RAS were recruited for this study and RAS ulcerations of each patient were randomly assigned to the control or test group. In the test group, Er,Cr:YSGG laser with non-contact mode was to irradiate RAS lesions. In the placebo group, RAS lesions were irradiated with the same device without laser emission. Pain was evaluated with visual analog scale (VAS) while a clinician graded healing of RAS (HRAS). In the placebo group at immediate; scores of VAS presented no statistically significance; in the test group, laser application showed significant pain reducing, at 1st day control. In...
Introduction: The purpose of this randomized clinical study was to evaluate the efficiency of erbium, chromium-doped:yttrium, scandium, gallium, and garnet (Er,Cr:YSGG) laser irradiation combined with a resin-based tricalcium silicate material and calcium hydroxide in direct pulp capping for a 6-month follow-up period.
Methods: A total of 60 teeth of 60 patients between the ages of 18 and 41 years were recruited for this study. Sixty permanent vital teeth without symptoms and radiographic changes were randomly assigned to the following 4 groups (n = 15): Gr CH, the exposed area was sealed with calcium hydroxide (CH) paste; Gr laser CH, the treated area was sealed with CH paste after Er,Cr:YSGG laser irradiation at an energy level of 0.5 W without water and with 45% air; Gr TheraCal, The...
The aim of this study was to investigate the effect of hydrogen peroxide (HP) and carbamide peroxide (CP) on the surface roughness of five different composite resins using profilometer and scanning electron microscope (SEM). Thirty-six specimens (1 mm thick, 10 mm in diameter) of five composite resins were fabricated. Each composite group was equally divided into three subgroups as control, CP and HP. In control group, specimens were stored in daily refreshed distilled water during the 14-day testing period. In other groups, 10% HP (Opalescence Treswhite) and 10% CP (Opalescence PF) were applied and surface roughness values (Ra) of each specimen were measured with a profilometer at the end of 14 days. Additionally, SEM analysis was performed to evaluate the surface deformations of composit...
Objective: The advent of dental lasers has raised another possible treatment option for dentine hypersensitivity (DH) and has become a research interest in the last decades. The aim of this randomized, controlled, double-blind, split mouth, clinical study was to evaluate and compare the desensitizing effects of erbium, chromium-doped:yttrium, scandium, gallium and garnet (Er,Cr:YSGG) to galium-aluminium-arsenide (GaAlAs) laser on DH. Methods: Fifty-one patients participated in this study for a total of 174 teeth. DH was assessed for all groups with a visual analog scale. For each patient, the teeth were randomized to three groups. In the diode laser group, sensitive teeth were irradiated with the GaAlAs laser at 8.5J/cm(2) energy density. In the Er,Cr:YSGG laser group, sensitive teeth were...