{"id":"W2950160594","doi":"10.2341/17-385-c","title":"Whitening Efficacy of Chewing Gum Containing Sodium Metaphosphate on Coffee Stain: Placebo-controlled, Double-blind In Situ Examination","year":2019,"lang":"en","type":"article","venue":"Operative Dentistry","topic":"Dental Erosion and Treatment","field":"Dentistry","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"Hokkaido University","keywords":"Chewing gum; Pellet; Dentistry; Crossover study; Placebo; Food science; Chemistry; Medicine; Materials science; Composite material","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002412297,0.001385772,0.003850029,0.0006770593,0.0006433715,0.0006198407,0.000993556,0.001998411,0.004105669],"category_scores_gemma":[0.002166105,0.0008240003,0.001162333,0.0004139679,0.001143061,0.0007133115,0.0003586154,0.001456343,0.000517544],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002253521,"about_ca_system_score_gemma":0.0007030462,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004276956,"about_ca_topic_score_gemma":0.0009146725,"domain_scores_codex":[0.9986489,0.000698093,0.0001706823,0.000217906,0.0001422032,0.0001221051],"domain_scores_gemma":[0.9987044,0.0004779155,0.0002772182,0.0001320371,0.0001876138,0.0002207981],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.8345251,0.04171942,0.0003894273,0.002680332,0.0005578492,0.0000513074,0.0001533595,0.0001673579,0.08458638,0.0001024852,0.0004180342,0.03464907],"study_design_scores_gemma":[0.349565,0.6249228,0.005461586,0.0001063554,0.001032398,0.00004391968,0.00008529754,0.0007469764,0.01639635,0.0001210277,0.001474008,0.00004429658],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9878958,0.004388596,0.00157515,0.0001889476,0.0005408549,0.004028733,0.0003496832,0.0001341355,0.0008979281],"genre_scores_gemma":[0.9811109,0.004319264,0.004607144,0.0004527319,0.0008580416,0.005084273,0.0003660363,0.00004207484,0.003159631],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004105669,"threshold_uncertainty_score":0.01373482,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03426996792622222,"score_gpt":0.3219349369308022,"score_spread":0.2876649690045799,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}