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Photography
Photography Lab Summer
| Question | Answer |
|---|---|
| what does USB stand for? | universal serial bus |
| what is F-stop? | adjusts amount of light let in through the aperture use highest setting to capture best focus |
| what is megapixels? | one million pixels dots...the more the better |
| what megapixels are good for intraoral photos? | 4-6 megapixels |
| what are jpeg and tif? | format for compressing images |
| what format is better to save photos in? | tif is better because it retains original quality jpeg loses quality over time |
| before returning equipment to dispensary what do you do? | fill out white card wash mirros and retractors with paper towel place in autoclave bag label bags with your last name and dental hygiene |
| when taking a head shot, how can you reduce the shadow? | have patient stand 6-8 inches away from the wall to diminish shadows |
| how do you insert a cheek retractor? | rinse retractors in warm water ask patient to swallow, wet lips and open mouth slightly place the rim of the retractor onto the center edge of the lower lip rotate handle of retractor until it is parallel to the corner of the mouth patient closes down |
| how do you pull retractors? | pulled out laterally and slightly forward do not pull the retractor handles back towards the ears |
| how do you take care of intraoral mirrors? | sterilized mirrors should be rinsed with warm water and thoroughly dried prior to placing in the patient's mouth when finished with mirrors, rinse with soap and water and dry thoroughly prior to bagging for sterilization |
| how do you insert a intraoral mirror? | rinse with warm water and dry throughly insert mirror horizontally into the mouth parallel with the occlusal plane avoid hitting the teeth with the mirror resting it on the alveolar bone |
| what should be in a front face extra oral view | ask the patient to stand up straight against any wall with a plain background. ask patient to smile only head and neck area should be contained within the frame |
| what should be in a profile extra oral view | ask the patient to turn to his or her left or right for each profile only the head and neck area should be contained within the frame |
| which views should use a vertical formal? | all extra oral photoraphs front face, profile |
| what should be in the full direct view? | view should extend anteriorly from the distal of the first molars and show an adequate zone of attached gingival and alveolar mucosa occlusal plane should run in a straight line across middle of frame midline centered |
| what are the positions in the full direct view? | patient: sitting upright with head on headrest, turn towards you, mandible parallel operator: in front of patient, assistant 12:00 retractors: laterally and anteriorly |
| what should be in posterior buccal views- right and left | view should include the distal of the canines to the distal of the most posterior tooth in each arch occlusal plane should run in a straight line horizontally across the midline of the frame direct buccal view, not medial or anterior |
| what are the positions in the posterior buccal views- right and left | patent: sitting upright, head resting against headrest, teeth in occlusion, mandible parallel to floor operator: 9:00, assistant 12:00 retractors: retract on side of view being taken, laterally and posteriorly pulled by assistant |
| how is the mirror positioned in the posterior buccal views- right and left | long end of mirror is gently placed between the buccal surfaces of the teeth and the buccal mucosa all the way to the distal of the last tooth in the arch mirror pulled laterally from alveolar process to form 45 degree angle |
| what should be visible in maxillary occlusal view? | occlusal surfaces of the maxillary arch, incisal edges should be at the top of the frame with the median palatine suture dividing the left and right side of the frame, distal surface of the first molar visible and additional posterior teeth. no natural |
| what is the position of the patient in maxillary occlusal view? | patient parallel to the floor, head slightly lower than the feet, tilt head far back as possible, mouth opened wide and tongue realized against the mandibular lingual surfaces |
| what is the operators position in maxillary occlusal view | stand behind the patient in the 12:00 position assistant is at 9:00 |
| what is the position of the mirror in the maxillary occlusal view? | occlusal mirror is used, inserted posteriorly until he posterior borders of the mirror rest on the maxillary tuberosity, rest opposite side of the mirror on the mandibular incisors avoiding lower lip, press down with index finger |
| what should be in the mandibular occlusal view? | occlusal surfaces of the mandibular arch, incisal edges should be at the top of the frame with the lingual frenum dividing the left and right side of the frame. Distal surface of the first molar visible and additional posterior teeth. no natural teeth |
| what is the patient position for the mandibular occlusal view? | patient supine in the chair with the mandible pointing slightly up, mouth opened and tongue placed behind the mirror, patient turned towards you and lift chin |
| what is the operator position for the mandibular occlusal view? | stand in front of the patient in 9:00 assistant is in 12:00 |
| how are the retractors positioned for the mandibular occlusal view? | one retractor is used handle rotated downward to retract the lower lip two gloved fingers can also be used to retract the lower lip |
| how are the mirrors positioned for the mandibular occlusal view? | occlusal mirror is inserted posteriorly until the posterior borders of the mirror rest on the retromolar pad. rest the opposite side of the mirror on the maxillary incisors and press up on the mirror with your index finger |
| what should be present in the mandibular anterior lingual view? | lingual view of the mandibular anterior teeth and gingiva from the distal of the right canine to the distal of the left canine, incisal edges of the teeth should be close to the top of the frame and the midline should be centered, no natural teeth |
| what is the patient position in the mandibular anterior lingual view? | patient supine in the chair with the head resting securely against headrest, patient turn towards you, lift their chin towards the ceiling |
| what is the operator position in the mandibular anterior lingual view? | stand in front of the patient at 9:00 assistant at 12:00 |
| what is the position of the retractors in the mandibular anterior lingual view | one retractor is rotated downward, retracting the lower lip two gloved fingers can retract the lip |
| what is the position of the mirror in the mandibular anterior lingual view | mirror is placed 1-2 teeth distal to the teeth desired in the photograph and held as parallel as possible to the long axis of the teeth |
| what should be visible in the maxillary anterior palatal view? | contains maxillary anterior teeth and gingiva from the distal of the right canine to the distal of the left canine incisal edges of the teeth should be close to the top of the frame and the midline should be centered no natural teeth |
| what is the patient position for the maxillary anterior palatal view? | supine in the chair with the head resting securely against the headrest, mouth is open wide with tongue resting against the mandibular anterior teeth, lift head towards ceiling |
| what is the operator position for the maxillary anterior palatal view? | stand behind the patient in the 12:00 |
| what is the position for the retractors on maxillary anterior palatal view? | both retractors are rotated upward for this view, retracting the upper lip |
| what is the position for the mirrors on the maxillary anterior palatal view? | placed one tooth distal to the teeth desired in the photograph and held as parallel as possible to the long axis of the teeth, rest mirror against the incisal edges of the mandibular anterior teeth being careful not to get lower lip |
| what should be visible in posterior palatal views- left and right | palatal view of the maxillary posterior teeth and gingiva from the distal of the canine to the maxillary tuberosity occlusal plane should run in a straight line horizontally across the frame, no natural teeth |
| what is the patient position for posterior palatal views- left and right | supine chair position with the head resting in headrest. head should be turned to the side being photographed |
| what is the operator position for posterior palatal views- left and right | stand in the side position at 9:00 assistant is in 12:00 |
| what is the retractors positions for posterior palatal views- left and right | one retractor is placed on the side being photographed with handle rotated upward to retract the upper lip |
| what is the mirror position for posterior palatal views- left and right | place along the midline of the palate until its distal portion is adjacent to the maxillary tuberosity, the anterior end may be rested on the incisal surfaces of the lateral incisors of the opposite quadrant, maintain mirror parallel to the long axis |
| what should be visible in posterior lingual views- left and right | distal of the canine up to and including the retromolar pad, should be a direct lingual shot and show as little of the occlusal surface or anterior teeth as possible, no natural teeth |
| what is the patient position for posterior lingual views- left and right | patient titled slightly back in chair with head resting in headrest, mouth slightly opened and tongue realized in the floor of the mouth |
| what is the operator position for posterior lingual views- left and right | stand in side position at 9:00 assistant is at 12:00 |
| what is the position for retractors for the posterior lingual views- left and right | retractor is placed on the side to be photographed, with the handle rotated downward to retract the lower lip |
| what is the position for the mirror for the posterior lingual views- left and right | tongue is gently retracted away from the lingual surfaces of the teeth with the mirror as it is positioned just distal to the retromolar pad, mirror will cross arch diagonally and anterior mirror will rest on canines of opposite arch |
| what shots did we take in the lab? | front face, full direct view, posterior buccal views (right/left), maxillary occlusal view, mandibular occlusal view |
Created by:
Chobchi
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