Dental nurse 315 exam Graded A Q&A Complete

It is the difference for prepare a tooth for filling and prepare the tooth for an inlay - UNDERCUT It used to remove the pulp (nerve) - BARBED BROACH Upper incisors protrude and the overjet is increased - CLASS II Div I Adam's universal pliers used for - Orthodontics A horizontal overlap is called - OVERJET Orthodontic brackets are fixed with - Glass Ionomer Acid etch used for composite fillings contains - 33% phosphoric acid siqveland matrix band is used for - Class II amalgam restorations Glass ionomer should be mixed on - A glass slab with a metal spatula OR Waxed paper with a metal spatula Composite dental materials are mechanically adhesive after etching to - ENAMEL The successful obturation of the root canal is aided by - Lateral condensers A *barbed broach* is used in endodontics to - Remove canal contents Irreversible pulpitis can be treated by - ExtractionA mesiodens is - supernumery tooth A sign of gingivitis is - False Pocket The recommended concentration of fluoride in the water supply is - 1 ppm (part per million) The approximate concentration in ppm of fluoride in fluoride toothpaste recommended for adults is - ppm The early stage of caries appears as - White spot Bacterial acid attack on tooth enamel results in - DEMINERALISATION The *usual retentive component* of a removable appliance is - CRIB A natural space occurring between erupted teeth in either arch is called - Diastema It is a part of the removable appliance - Labial bow A vertical overlap is called - OVERBITE The purpose of an orthodontic retainer is - Stabilise teeth while the bone remodels A patient who sucks their thumb often has - Proclined incisors and an anterior *open bite* A functional orthodontic appliance will move teeth by: - Increase overbiteProclined upper central incisors is a feature of - Class II Div I The most appropriate advice for a patient who has been supplied with an upper removable appliance - Remove it when eating It is a part of the fixed appliance - Bracket Good oral hygiene is important for those patients who? - Are wearing any orthodontic appliance Functional appliances work by using - Muscular forces to move the *jaw* Congenitally absent teeth are those which? - Have been missing since birth Instruments tha should be set out for a patient attending with a removable orthodontic appliance are: - Adam's universal and spring forming pliers The impression material often used for denture construction is - ALGINATE (irreversible hydrocolloid) A fixed movable type of bridge is necessary in some circumstances to allow - Slight movement at the bridge joint The inhalation or swallowing of endo instruments can be prevented by the use of: - - Parachute chains - Rubber dam - Floss ties around the instruments A bridge which has retainers several teeth away from the pontic is called a - Spring cantilever bridgeThe instrument used to curette infected or cystic debris from a surgical site is - Mitchells trimmer An oroantral fistula is most likely to develop following the attempted extraction of - Upper molar roots The commonest post operative extraction complication is - A localised *osteitis* Critical pH is - 5.5 Streptococcal bacteria have been indicated in causing - Caries Subgingival plaque will contain - - Anaerobic bacteria - Food debris - Dead blood cells The natural repair of enamel is known as - Remineralisation The wear of the teeth by *grinding* is known as - ATTRITION The hard rock like substance found commonly on the lingual surfaces of anterior teeth is known as - CALCULUS Excessive consumption of fluoride can result in - FLUOROSIS Titanium implants can be used in edentulous patients to - Replace teeth A tooth which is correctly root filled but has residual periapical pathology may require - ApicectomyA Willis Gauge is used to measure - intercanthal distance The bacteria in plaque turns sugar into - Lactic acid