Undesirable side-effect commonly associated with finger spring 1) Pain 2) Gingival inflammation 3) Intrusion of tooth 4) Mobility of tooth
OrthodonticsAnswer: 3
Tooth shows beginning of eruptive movements in which stage of Nolla"s classification 1. Stage I 2. Stage V 3. Stage VI 4. Stage VIII
OrthodonticsAnswer: 3
Mid-symphyseal suture fuses at the age of 1) 6 months 2) 18 months 3) 30 months 4) 5 years
OrthodonticsAnswer: 2
Difference in width of permanent and primary incisors is 1) Incisal guidance 2) Incisal inclination 3) Overjet 4) Incisal liability
OrthodonticsAnswer: 4
Premature exfoliation of primary canines indicates 1) Arch length deficiency 2) Skeletal malocclusion 3) Arch length excess 4) None of the above
OrthodonticsAnswer: 1
Delay in pubertal growth on hand-wrist radiographs is indicated by 1) Absence of pisiformis 2) Absence of sesamoid 3) Absence of capitum 4) Absence of hemantum
OrthodonticsAnswer: 2
An impending anterior crossbite should be treated 1) As soon as it is noticed before teeth reach occlusion 2) After eruption of all permanent teeth and orthodontic correction 3) As soon as canines erupt 4) Only by fixed appliance
OrthodonticsAnswer: 1
Which of the following is true about Catalan"s appliance? 1) It is used to treat crossbite of maxillary posterior teeth 2) It is constructed on the lower anterior teeth with an inclined plane 3) If used for a long period it results in anterior deep bite 4) None of the above
