Evaluation of Spontaneous Bone Healing After Enucleation of Large Residual Cyst in Maxilla without Graft Material Utilization: Case Report

Cistične lezije čeljusti kao što su keratociste (naziv je vraćen i smatra se boljim negoli keratocistični odontogeni tumori, iako su pojmovi i dalje prihvatljivi sinonimi), folikularne i radikularne ciste te rezidualne ciste mogu dosegnuti velike razmjere i uzrokovati znatnu razgradnju kosti. Enukleacija cističnih lezija u čeljusti oštećuje kosti koje se mogu regenerirati spontano ili nakon intervencije korištenjem autogenih koštanih transplantata ili drugih materijala za njihovo nadomještanje. U ovom kliničkom istraživanju opisuje se spontana regeneracija kosti nakon enukleacije rezidualne ciste u distalnom dijelu maksile. Njezin napredak praćen je na temelju kliničkog pregleda, rendgenske procjene i subjektivnih simptoma pacijenta. Regeneracija kosti i smanjenje cistične šupljine dokumentirani su nakon šest mjeseci i poslije jedne godine na panoramskoj rendgenskoj snimci. Fiziološki proces koagulacije osnova je za spontano stvaranje kosti, čak ako je koštani defekt velik, pod uvjetom da je okružen s dovoljno koštanih stijenki.Cystic lesions of the jaws such as keratocysts (scientific community still continues to use the term ‘odontogenic keratocyst’ more favourably than ‘keratocystic odontogenic tumour’ although both terms remain acceptable synonyms), follicular cysts, radicular cysts, and residual cysts may reach large proportions, causing considerable bone destruction. Enucleation of cystic lesions in the jaw produces bone defects, which may recover spontaneously or with assisted healing with the use of autogenous bone graft or other bone substitute materials. This clinical study presents a spontaneous bone regeneration after residual cyst enucleation in the distal part of the maxilla. The progress of recovery is followed by clinical and radiographic examination and subjective data obtained from the patient. Bone regeneration and cystic cavity reduction was observed in the panoramic image after six months and after one year. The physiological process of coagulation provides the basic process for the spontaneous bone formation even if an osseous defect is considerably large, provided that the defect is surrounded by adequate bony walls

Sensing chlorinated hydrocarbons via miniaturized GaAs/AlGaAs thin-film waveguide flow cells coupled to quantum cascade lasers

Mid-infrared (MIR) sensors based on attenuated total reflection (ATR) spectroscopy provide robust, rapid and sensitive platforms for the detection of low levels of organic molecules and pollutants. Nowadays, MIR (3–15 μm) spectroscopy has evolved into a versatile sensing technique providing inherent molecular selectivity for the detection of organic and inorganic molecules. The excitation of vibrational and rotational transitions enables the qualitative and quantitative analysis of molecular constituents in solid, liquid, and vapor phases, which facilitates the application of MIR chem/bio sensors for on-site environmental analysis in scenarios such as trace pollutant monitoring or spill detection. This report presents the first integration of thin-film gallium arsenide/aluminum gallium arsenide (GaAs/AlGaAs) into a miniaturized liquid flow cell designed for continuous trace analysis of chlorinated hydrocarbons (CHCs) in water coupled to a broadly tunable quantum cascade laser (QCL), which facilitates in-field deployment of QCL-based sensing devices ensuring water quality and water safety

Sclerotherapy of Intraoral Superficial Hemangioma

Hemangioma is the clinical term for a benign vascular neoplasm due to proliferation of the endothelial lining of blood vessels. Their most frequent location is the body skin and oral mucosa. One of the treatment modalities for hemangiomas is intralesional injection of sclerosing agents which cause the damage of blood vessels followed by their obliteration. The objective of the study was to describe the facility of application and evaluate the efficiency of sclerotherapy with aethoxysklerol 1%. Method. The case presented with intraoral submucosal hemangioma of the cheek was treated by intralesional injection of aethoxysklerol 3% diluted in water for injections at a 4 : 1 ratio (0.75%) at the first appointment and 3 : 1 (1%) at the second appointment. The effect of sclerotherapy was evaluated on the following visits in time intervals of two weeks. Results. The hemangioma disappeared without complications after the second injection of aethoxysklerol 1%. The successful results of the study were comparable to the data of literature with variations according to the used sclerosant agent, its concentration, the number of injections, and the intervals between each session. Conclusion. Since sclerotherapy is a very effective, inexpensive, and easy-to-apply treatment, it should be the treatment of choice, especially for intraoral superficial hemangiomas